Re #1395: Backport of PJSIP 1.x branch into PJSIP 2.0 trunk

* Backport of r3557:r3832

TODO: ticket #1268 (Option for automatic/manual sending of RTCP SDES/BYE for the stream) for video stream.



git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@3841 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/aconfigure b/aconfigure
index b22914b..b7bf211 100755
--- a/aconfigure
+++ b/aconfigure
@@ -1,83 +1,60 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.65 for pjproject 1.x.
-#
+# Generated by GNU Autoconf 2.61 for pjproject 1.x.
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
-# Inc.
-#
-#
+# 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
-## -------------------- ##
-## M4sh Initialization. ##
-## -------------------- ##
+## --------------------- ##
+## M4sh Initialization.  ##
+## --------------------- ##
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
   emulate sh
   NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
 else
-  case `(set -o) 2>/dev/null` in #(
-  *posix*) :
-    set -o posix ;; #(
-  *) :
-     ;;
+  case `(set -o) 2>/dev/null` in
+  *posix*) set -o posix ;;
 esac
+
 fi
 
 
-as_nl='
-'
-export as_nl
-# Printing a long string crashes Solaris 7 /usr/bin/printf.
-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-# Prefer a ksh shell builtin over an external printf program on Solaris,
-# but without wasting forks for bash or zsh.
-if test -z "$BASH_VERSION$ZSH_VERSION" \
-    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='print -r --'
-  as_echo_n='print -rn --'
-elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='printf %s\n'
-  as_echo_n='printf %s'
-else
-  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
-    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
-    as_echo_n='/usr/ucb/echo -n'
-  else
-    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
-    as_echo_n_body='eval
-      arg=$1;
-      case $arg in #(
-      *"$as_nl"*)
-	expr "X$arg" : "X\\(.*\\)$as_nl";
-	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
-      esac;
-      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
-    '
-    export as_echo_n_body
-    as_echo_n='sh -c $as_echo_n_body as_echo'
-  fi
-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
-fi
+
+
+# PATH needs CR
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
 
 # The user is always right.
 if test "${PATH_SEPARATOR+set}" != set; then
-  PATH_SEPARATOR=:
-  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
-    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
-      PATH_SEPARATOR=';'
-  }
+  echo "#! /bin/sh" >conf$$.sh
+  echo  "exit 0"   >>conf$$.sh
+  chmod +x conf$$.sh
+  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+    PATH_SEPARATOR=';'
+  else
+    PATH_SEPARATOR=:
+  fi
+  rm -f conf$$.sh
+fi
+
+# Support unset when possible.
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  as_unset=unset
+else
+  as_unset=false
 fi
 
 
@@ -86,18 +63,20 @@
 # there to prevent editors from complaining about space-tab.
 # (If _AS_PATH_WALK were called with IFS unset, it would disable word
 # splitting by setting IFS to empty value.)
+as_nl='
+'
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
-case $0 in #((
+case $0 in
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-  done
+  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+done
 IFS=$as_save_IFS
 
      ;;
@@ -108,270 +87,32 @@
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  exit 1
+  echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  { (exit 1); exit 1; }
 fi
 
-# Unset variables that we do not need and which cause bugs (e.g. in
-# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
-# suppresses any "Segmentation fault" message there.  '((' could
-# trigger a bug in pdksh 5.2.14.
-for as_var in BASH_ENV ENV MAIL MAILPATH
-do eval test x\${$as_var+set} = xset \
-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+# Work around bugs in pre-3.0 UWIN ksh.
+for as_var in ENV MAIL MAILPATH
+do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
 done
 PS1='$ '
 PS2='> '
 PS4='+ '
 
 # NLS nuisances.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
-
-# CDPATH.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
-
-if test "x$CONFIG_SHELL" = x; then
-  as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
-  emulate sh
-  NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
-  # is contrary to our usage.  Disable this feature.
-  alias -g '\${1+\"\$@\"}'='\"\$@\"'
-  setopt NO_GLOB_SUBST
-else
-  case \`(set -o) 2>/dev/null\` in #(
-  *posix*) :
-    set -o posix ;; #(
-  *) :
-     ;;
-esac
-fi
-"
-  as_required="as_fn_return () { (exit \$1); }
-as_fn_success () { as_fn_return 0; }
-as_fn_failure () { as_fn_return 1; }
-as_fn_ret_success () { return 0; }
-as_fn_ret_failure () { return 1; }
-
-exitcode=0
-as_fn_success || { exitcode=1; echo as_fn_success failed.; }
-as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
-as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
-as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
-if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
-
-else
-  exitcode=1; echo positional parameters were not saved.
-fi
-test x\$exitcode = x0 || exit 1"
-  as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
-  as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
-  eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
-  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
-test \$(( 1 + 1 )) = 2 || exit 1"
-  if (eval "$as_required") 2>/dev/null; then :
-  as_have_required=yes
-else
-  as_have_required=no
-fi
-  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
-
-else
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-as_found=false
-for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+for as_var in \
+  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
+  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
+  LC_TELEPHONE LC_TIME
 do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  as_found=:
-  case $as_dir in #(
-	 /*)
-	   for as_base in sh bash ksh sh5; do
-	     # Try only shells that exist, to save several forks.
-	     as_shell=$as_dir/$as_base
-	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
-		    { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
-  CONFIG_SHELL=$as_shell as_have_required=yes
-		   if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
-  break 2
-fi
-fi
-	   done;;
-       esac
-  as_found=false
-done
-$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
-	      { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :
-  CONFIG_SHELL=$SHELL as_have_required=yes
-fi; }
-IFS=$as_save_IFS
-
-
-      if test "x$CONFIG_SHELL" != x; then :
-  # We cannot yet assume a decent shell, so we have to provide a
-	# neutralization value for shells without unset; and this also
-	# works around shells that cannot unset nonexistent variables.
-	BASH_ENV=/dev/null
-	ENV=/dev/null
-	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
-	export CONFIG_SHELL
-	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
-fi
-
-    if test x$as_have_required = xno; then :
-  $as_echo "$0: This script requires a shell more modern than all"
-  $as_echo "$0: the shells that I found on your system."
-  if test x${ZSH_VERSION+set} = xset ; then
-    $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
-    $as_echo "$0: be upgraded to zsh 4.3.4 or later."
+  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
+    eval $as_var=C; export $as_var
   else
-    $as_echo "$0: Please tell bug-autoconf@gnu.org about your system,
-$0: including any error possibly output before this
-$0: message. Then install a modern shell, or manually run
-$0: the script under such a shell if you do have one."
+    ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
   fi
-  exit 1
-fi
-fi
-fi
-SHELL=${CONFIG_SHELL-/bin/sh}
-export SHELL
-# Unset more variables known to interfere with behavior of common tools.
-CLICOLOR_FORCE= GREP_OPTIONS=
-unset CLICOLOR_FORCE GREP_OPTIONS
+done
 
-## --------------------- ##
-## M4sh Shell Functions. ##
-## --------------------- ##
-# as_fn_unset VAR
-# ---------------
-# Portably unset VAR.
-as_fn_unset ()
-{
-  { eval $1=; unset $1;}
-}
-as_unset=as_fn_unset
-
-# as_fn_set_status STATUS
-# -----------------------
-# Set $? to STATUS, without forking.
-as_fn_set_status ()
-{
-  return $1
-} # as_fn_set_status
-
-# as_fn_exit STATUS
-# -----------------
-# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
-as_fn_exit ()
-{
-  set +e
-  as_fn_set_status $1
-  exit $1
-} # as_fn_exit
-
-# as_fn_mkdir_p
-# -------------
-# Create "$as_dir" as a directory, including parents if necessary.
-as_fn_mkdir_p ()
-{
-
-  case $as_dir in #(
-  -*) as_dir=./$as_dir;;
-  esac
-  test -d "$as_dir" || eval $as_mkdir_p || {
-    as_dirs=
-    while :; do
-      case $as_dir in #(
-      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
-      *) as_qdir=$as_dir;;
-      esac
-      as_dirs="'$as_qdir' $as_dirs"
-      as_dir=`$as_dirname -- "$as_dir" ||
-$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$as_dir" : 'X\(//\)[^/]' \| \
-	 X"$as_dir" : 'X\(//\)$' \| \
-	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_dir" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)[^/].*/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-      test -d "$as_dir" && break
-    done
-    test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
-
-
-} # as_fn_mkdir_p
-# as_fn_append VAR VALUE
-# ----------------------
-# Append the text in VALUE to the end of the definition contained in VAR. Take
-# advantage of any shell optimizations that allow amortized linear growth over
-# repeated appends, instead of the typical quadratic growth present in naive
-# implementations.
-if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
-  eval 'as_fn_append ()
-  {
-    eval $1+=\$2
-  }'
-else
-  as_fn_append ()
-  {
-    eval $1=\$$1\$2
-  }
-fi # as_fn_append
-
-# as_fn_arith ARG...
-# ------------------
-# Perform arithmetic evaluation on the ARGs, and store the result in the
-# global $as_val. Take advantage of shells that can avoid forks. The arguments
-# must be portable across $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
-  eval 'as_fn_arith ()
-  {
-    as_val=$(( $* ))
-  }'
-else
-  as_fn_arith ()
-  {
-    as_val=`expr "$@" || test $? -eq 1`
-  }
-fi # as_fn_arith
-
-
-# as_fn_error ERROR [LINENO LOG_FD]
-# ---------------------------------
-# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
-# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
-# script with status $?, using 1 if that was 0.
-as_fn_error ()
-{
-  as_status=$?; test $as_status -eq 0 && as_status=1
-  if test "$3"; then
-    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
-  fi
-  $as_echo "$as_me: error: $1" >&2
-  as_fn_exit $as_status
-} # as_fn_error
-
+# Required to use basename.
 if expr a : '\(a\)' >/dev/null 2>&1 &&
    test "X`expr 00001 : '.*\(...\)'`" = X001; then
   as_expr=expr
@@ -385,17 +126,13 @@
   as_basename=false
 fi
 
-if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
-  as_dirname=dirname
-else
-  as_dirname=false
-fi
 
+# Name of the executable.
 as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
 	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
+echo X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -410,19 +147,294 @@
 	  }
 	  s/.*/./; q'`
 
-# Avoid depending upon Character Ranges.
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
+# CDPATH.
+$as_unset CDPATH
 
 
-  as_lineno_1=$LINENO as_lineno_1a=$LINENO
-  as_lineno_2=$LINENO as_lineno_2a=$LINENO
-  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
-  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
-  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
+if test "x$CONFIG_SHELL" = x; then
+  if (eval ":") 2>/dev/null; then
+  as_have_required=yes
+else
+  as_have_required=no
+fi
+
+  if test $as_have_required = yes && 	 (eval ":
+(as_func_return () {
+  (exit \$1)
+}
+as_func_success () {
+  as_func_return 0
+}
+as_func_failure () {
+  as_func_return 1
+}
+as_func_ret_success () {
+  return 0
+}
+as_func_ret_failure () {
+  return 1
+}
+
+exitcode=0
+if as_func_success; then
+  :
+else
+  exitcode=1
+  echo as_func_success failed.
+fi
+
+if as_func_failure; then
+  exitcode=1
+  echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+  :
+else
+  exitcode=1
+  echo as_func_ret_success failed.
+fi
+
+if as_func_ret_failure; then
+  exitcode=1
+  echo as_func_ret_failure succeeded.
+fi
+
+if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
+  :
+else
+  exitcode=1
+  echo positional parameters were not saved.
+fi
+
+test \$exitcode = 0) || { (exit 1); exit 1; }
+
+(
+  as_lineno_1=\$LINENO
+  as_lineno_2=\$LINENO
+  test \"x\$as_lineno_1\" != \"x\$as_lineno_2\" &&
+  test \"x\`expr \$as_lineno_1 + 1\`\" = \"x\$as_lineno_2\") || { (exit 1); exit 1; }
+") 2> /dev/null; then
+  :
+else
+  as_candidate_shells=
+    as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  case $as_dir in
+	 /*)
+	   for as_base in sh bash ksh sh5; do
+	     as_candidate_shells="$as_candidate_shells $as_dir/$as_base"
+	   done;;
+       esac
+done
+IFS=$as_save_IFS
+
+
+      for as_shell in $as_candidate_shells $SHELL; do
+	 # Try only shells that exist, to save several forks.
+	 if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+		{ ("$as_shell") 2> /dev/null <<\_ASEOF
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in
+  *posix*) set -o posix ;;
+esac
+
+fi
+
+
+:
+_ASEOF
+}; then
+  CONFIG_SHELL=$as_shell
+	       as_have_required=yes
+	       if { "$as_shell" 2> /dev/null <<\_ASEOF
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in
+  *posix*) set -o posix ;;
+esac
+
+fi
+
+
+:
+(as_func_return () {
+  (exit $1)
+}
+as_func_success () {
+  as_func_return 0
+}
+as_func_failure () {
+  as_func_return 1
+}
+as_func_ret_success () {
+  return 0
+}
+as_func_ret_failure () {
+  return 1
+}
+
+exitcode=0
+if as_func_success; then
+  :
+else
+  exitcode=1
+  echo as_func_success failed.
+fi
+
+if as_func_failure; then
+  exitcode=1
+  echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+  :
+else
+  exitcode=1
+  echo as_func_ret_success failed.
+fi
+
+if as_func_ret_failure; then
+  exitcode=1
+  echo as_func_ret_failure succeeded.
+fi
+
+if ( set x; as_func_ret_success y && test x = "$1" ); then
+  :
+else
+  exitcode=1
+  echo positional parameters were not saved.
+fi
+
+test $exitcode = 0) || { (exit 1); exit 1; }
+
+(
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2") || { (exit 1); exit 1; }
+
+_ASEOF
+}; then
+  break
+fi
+
+fi
+
+      done
+
+      if test "x$CONFIG_SHELL" != x; then
+  for as_var in BASH_ENV ENV
+        do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+        done
+        export CONFIG_SHELL
+        exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
+fi
+
+
+    if test $as_have_required = no; then
+  echo This script requires a shell more modern than all the
+      echo shells that I found on your system.  Please install a
+      echo modern shell, or manually run the script under such a
+      echo shell if you do have one.
+      { (exit 1); exit 1; }
+fi
+
+
+fi
+
+fi
+
+
+
+(eval "as_func_return () {
+  (exit \$1)
+}
+as_func_success () {
+  as_func_return 0
+}
+as_func_failure () {
+  as_func_return 1
+}
+as_func_ret_success () {
+  return 0
+}
+as_func_ret_failure () {
+  return 1
+}
+
+exitcode=0
+if as_func_success; then
+  :
+else
+  exitcode=1
+  echo as_func_success failed.
+fi
+
+if as_func_failure; then
+  exitcode=1
+  echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+  :
+else
+  exitcode=1
+  echo as_func_ret_success failed.
+fi
+
+if as_func_ret_failure; then
+  exitcode=1
+  echo as_func_ret_failure succeeded.
+fi
+
+if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
+  :
+else
+  exitcode=1
+  echo positional parameters were not saved.
+fi
+
+test \$exitcode = 0") || {
+  echo No shell found that supports shell functions.
+  echo Please tell autoconf@gnu.org about your system,
+  echo including any error possibly output before this
+  echo message
+}
+
+
+
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
+
+  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
+  # uniformly replaced by the line number.  The first 'sed' inserts a
+  # line-number line after each line using $LINENO; the second 'sed'
+  # does the real work.  The second script uses 'N' to pair each
+  # line-number line with the line containing $LINENO, and appends
+  # trailing '-' during substitution so that $LINENO is not a special
+  # case at line end.
+  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
+  # scripts with optimization help from Paolo Bonzini.  Blame Lee
+  # E. McMahon (1931-1989) for sed's syntax.  :-)
   sed -n '
     p
     /[$]LINENO/=
@@ -439,7 +451,8 @@
       s/-\n.*//
     ' >$as_me.lineno &&
   chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+    { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
+   { (exit 1); exit 1; }; }
 
   # Don't try to exec as it changes $[0], causing all sort of problems
   # (the dirname of $[0] is not the place where we might find the
@@ -449,40 +462,49 @@
   exit
 }
 
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
 ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in #(((((
+case `echo -n x` in
 -n*)
-  case `echo 'xy\c'` in
+  case `echo 'x\c'` in
   *c*) ECHO_T='	';;	# ECHO_T is single tab character.
-  xy)  ECHO_C='\c';;
-  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
-       ECHO_T='	';;
+  *)   ECHO_C='\c';;
   esac;;
 *)
   ECHO_N='-n';;
 esac
 
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
 else
   rm -f conf$$.dir
-  mkdir conf$$.dir 2>/dev/null
+  mkdir conf$$.dir
 fi
-if (echo >conf$$.file) 2>/dev/null; then
-  if ln -s conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s='ln -s'
-    # ... but there are two gotchas:
-    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -p'.
-    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -p'
-  elif ln conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s=ln
-  else
+echo >conf$$.file
+if ln -s conf$$.file conf$$ 2>/dev/null; then
+  as_ln_s='ln -s'
+  # ... but there are two gotchas:
+  # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+  # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+  # In both cases, we have to default to `cp -p'.
+  ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
     as_ln_s='cp -p'
-  fi
+elif ln conf$$.file conf$$ 2>/dev/null; then
+  as_ln_s=ln
 else
   as_ln_s='cp -p'
 fi
@@ -490,7 +512,7 @@
 rmdir conf$$.dir 2>/dev/null
 
 if mkdir -p . 2>/dev/null; then
-  as_mkdir_p='mkdir -p "$as_dir"'
+  as_mkdir_p=:
 else
   test -d ./-p && rmdir ./-p
   as_mkdir_p=false
@@ -507,12 +529,12 @@
   as_test_x='
     eval sh -c '\''
       if test -d "$1"; then
-	test -d "$1/.";
+        test -d "$1/.";
       else
-	case $1 in #(
-	-*)set "./$1";;
+	case $1 in
+        -*)set "./$1";;
 	esac;
-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
 	???[sx]*):;;*)false;;esac;fi
     '\'' sh
   '
@@ -526,8 +548,8 @@
 as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
-test -n "$DJDIR" || exec 7<&0 </dev/null
-exec 6>&1
+
+exec 7<&0 </dev/null 6>&1
 
 # Name of the host.
 # hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
@@ -545,6 +567,7 @@
 subdirs=
 MFLAGS=
 MAKEFLAGS=
+SHELL=${CONFIG_SHELL-/bin/sh}
 
 # Identity of this package.
 PACKAGE_NAME='pjproject'
@@ -552,7 +575,6 @@
 PACKAGE_VERSION='1.x'
 PACKAGE_STRING='pjproject 1.x'
 PACKAGE_BUGREPORT=''
-PACKAGE_URL=''
 
 # Factoring default headers for most tests.
 ac_includes_default="\
@@ -590,155 +612,125 @@
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='LTLIBOBJS
-LIBOBJS
-ac_main_obj
-ac_host
-ac_linux_poll
-ac_cross_compile
-libcrypto_present
-libssl_present
-openssl_h_present
-ac_no_ssl
-ac_v4l2_ldflags
-ac_v4l2_cflags
-ac_ffmpeg_ldflags
-ac_ffmpeg_cflags
-ac_has_ffmpeg
-ac_sdl_ldflags
-ac_sdl_cflags
-ac_no_ilbc_codec
-ac_no_speex_codec
-ac_no_g7221_codec
-ac_no_g722_codec
-ac_no_gsm_codec
-ac_no_l16_codec
-ac_no_g711_codec
-ac_no_speex_aec
-ac_no_large_filter
-ac_no_small_filter
-ac_qt_cflags
-ac_pjmedia_video_has_qt
-ac_ios_cflags
-ac_pjmedia_video_has_ios
-ac_pjmedia_video
-ac_pa_use_oss
-ac_pa_use_alsa
-ac_pa_cflags
-ac_external_pa
-ac_pjmedia_snd
-ac_external_gsm
-ac_external_speex
-ac_os_objs
-EGREP
-GREP
-CPP
-ac_build_mak_vars
-ac_pjdir
-CC_CFLAGS
-CC_OPTIMIZE
-CC_DEF
-CC_INC
-CC_OUT
-LIBEXT2
-LIBEXT
-RANLIB
-LDOUT
-LD
-AR
-ac_ct_CXX
-CXXFLAGS
-CXX
-OBJEXT
-EXEEXT
-ac_ct_CC
-CPPFLAGS
-LDFLAGS
-CFLAGS
-CC
-target_os
-target_vendor
-target_cpu
-target
-host_os
-host_vendor
-host_cpu
-host
-build_os
-build_vendor
-build_cpu
-build
-target_alias
-host_alias
-build_alias
-LIBS
-ECHO_T
-ECHO_N
-ECHO_C
-DEFS
-mandir
-localedir
-libdir
-psdir
-pdfdir
-dvidir
-htmldir
-infodir
-docdir
-oldincludedir
-includedir
-localstatedir
-sharedstatedir
-sysconfdir
-datadir
-datarootdir
-libexecdir
-sbindir
-bindir
-program_transform_name
-prefix
-exec_prefix
-PACKAGE_URL
-PACKAGE_BUGREPORT
-PACKAGE_STRING
-PACKAGE_VERSION
-PACKAGE_TARNAME
-PACKAGE_NAME
+ac_subst_vars='SHELL
 PATH_SEPARATOR
-SHELL'
+PACKAGE_NAME
+PACKAGE_TARNAME
+PACKAGE_VERSION
+PACKAGE_STRING
+PACKAGE_BUGREPORT
+exec_prefix
+prefix
+program_transform_name
+bindir
+sbindir
+libexecdir
+datarootdir
+datadir
+sysconfdir
+sharedstatedir
+localstatedir
+includedir
+oldincludedir
+docdir
+infodir
+htmldir
+dvidir
+pdfdir
+psdir
+libdir
+localedir
+mandir
+DEFS
+ECHO_C
+ECHO_N
+ECHO_T
+LIBS
+build_alias
+host_alias
+target_alias
+build
+build_cpu
+build_vendor
+build_os
+host
+host_cpu
+host_vendor
+host_os
+target
+target_cpu
+target_vendor
+target_os
+CC
+CFLAGS
+LDFLAGS
+CPPFLAGS
+ac_ct_CC
+EXEEXT
+OBJEXT
+CXX
+CXXFLAGS
+ac_ct_CXX
+AR
+LD
+LDOUT
+RANLIB
+LIBEXT
+LIBEXT2
+CC_OUT
+CC_INC
+CC_DEF
+CC_OPTIMIZE
+CC_CFLAGS
+ac_pjdir
+ac_build_mak_vars
+CPP
+GREP
+EGREP
+ac_os_objs
+ac_external_speex
+ac_external_gsm
+ac_pjmedia_snd
+ac_external_pa
+ac_pa_cflags
+ac_pa_use_alsa
+ac_pa_use_oss
+ac_pjmedia_video
+ac_pjmedia_video_has_ios
+ac_ios_cflags
+ac_pjmedia_video_has_qt
+ac_qt_cflags
+ac_no_small_filter
+ac_no_large_filter
+ac_no_speex_aec
+ac_no_g711_codec
+ac_no_l16_codec
+ac_no_gsm_codec
+ac_no_g722_codec
+ac_no_g7221_codec
+ac_no_speex_codec
+ac_no_ilbc_codec
+ac_sdl_cflags
+ac_sdl_ldflags
+ac_has_ffmpeg
+ac_ffmpeg_cflags
+ac_ffmpeg_ldflags
+ac_v4l2_cflags
+ac_v4l2_ldflags
+ac_no_ssl
+openssl_h_present
+libssl_present
+libcrypto_present
+ac_no_opencore_amrnb
+opencore_amrnb_h_present
+opencore_amrnb_present
+ac_cross_compile
+ac_linux_poll
+ac_host
+ac_main_obj
+LIBOBJS
+LTLIBOBJS'
 ac_subst_files=''
-ac_user_opts='
-enable_option_checking
-enable_floating_point
-enable_epoll
-with_external_speex
-with_external_gsm
-enable_sound
-with_external_pa
-enable_oss
-enable_ext_sound
-enable_small_filter
-enable_large_filter
-enable_speex_aec
-enable_g711_codec
-enable_l16_codec
-enable_gsm_codec
-enable_g722_codec
-enable_g7221_codec
-enable_speex_codec
-enable_ilbc_codec
-enable_libsamplerate
-with_sdl
-enable_sdl
-enable_ffmpeg
-with_ffmpeg
-enable_v4l2
-enable_ipp
-with_ipp
-with_ipp_samples
-with_ipp_arch
-enable_ssl
-'
       ac_precious_vars='build_alias
 host_alias
 target_alias
@@ -756,8 +748,6 @@
 # Initialize some variables set by options.
 ac_init_help=
 ac_init_version=false
-ac_unrecognized_opts=
-ac_unrecognized_sep=
 # The variables have the same names as the options, with
 # dashes changed to underlines.
 cache_file=/dev/null
@@ -856,20 +846,13 @@
     datarootdir=$ac_optarg ;;
 
   -disable-* | --disable-*)
-    ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
+    ac_feature=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error "invalid feature name: $ac_useropt"
-    ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
-    case $ac_user_opts in
-      *"
-"enable_$ac_useropt"
-"*) ;;
-      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--disable-$ac_useropt_orig"
-	 ac_unrecognized_sep=', ';;
-    esac
-    eval enable_$ac_useropt=no ;;
+    expr "x$ac_feature" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid feature name: $ac_feature" >&2
+   { (exit 1); exit 1; }; }
+    ac_feature=`echo $ac_feature | sed 's/[-.]/_/g'`
+    eval enable_$ac_feature=no ;;
 
   -docdir | --docdir | --docdi | --doc | --do)
     ac_prev=docdir ;;
@@ -882,20 +865,13 @@
     dvidir=$ac_optarg ;;
 
   -enable-* | --enable-*)
-    ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
+    ac_feature=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error "invalid feature name: $ac_useropt"
-    ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
-    case $ac_user_opts in
-      *"
-"enable_$ac_useropt"
-"*) ;;
-      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig"
-	 ac_unrecognized_sep=', ';;
-    esac
-    eval enable_$ac_useropt=\$ac_optarg ;;
+    expr "x$ac_feature" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid feature name: $ac_feature" >&2
+   { (exit 1); exit 1; }; }
+    ac_feature=`echo $ac_feature | sed 's/[-.]/_/g'`
+    eval enable_$ac_feature=\$ac_optarg ;;
 
   -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
   | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
@@ -1086,36 +1062,22 @@
     ac_init_version=: ;;
 
   -with-* | --with-*)
-    ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
+    ac_package=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error "invalid package name: $ac_useropt"
-    ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
-    case $ac_user_opts in
-      *"
-"with_$ac_useropt"
-"*) ;;
-      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig"
-	 ac_unrecognized_sep=', ';;
-    esac
-    eval with_$ac_useropt=\$ac_optarg ;;
+    expr "x$ac_package" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid package name: $ac_package" >&2
+   { (exit 1); exit 1; }; }
+    ac_package=`echo $ac_package | sed 's/[-.]/_/g'`
+    eval with_$ac_package=\$ac_optarg ;;
 
   -without-* | --without-*)
-    ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
+    ac_package=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error "invalid package name: $ac_useropt"
-    ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
-    case $ac_user_opts in
-      *"
-"with_$ac_useropt"
-"*) ;;
-      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig"
-	 ac_unrecognized_sep=', ';;
-    esac
-    eval with_$ac_useropt=no ;;
+    expr "x$ac_package" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid package name: $ac_package" >&2
+   { (exit 1); exit 1; }; }
+    ac_package=`echo $ac_package | sed 's/[-.]/_/g'`
+    eval with_$ac_package=no ;;
 
   --x)
     # Obsolete; use --with-x.
@@ -1135,25 +1097,25 @@
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) as_fn_error "unrecognized option: \`$ac_option'
-Try \`$0 --help' for more information."
+  -*) { echo "$as_me: error: unrecognized option: $ac_option
+Try \`$0 --help' for more information." >&2
+   { (exit 1); exit 1; }; }
     ;;
 
   *=*)
     ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
     # Reject names that are not valid shell variable names.
-    case $ac_envvar in #(
-      '' | [0-9]* | *[!_$as_cr_alnum]* )
-      as_fn_error "invalid variable name: \`$ac_envvar'" ;;
-    esac
+    expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid variable name: $ac_envvar" >&2
+   { (exit 1); exit 1; }; }
     eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
 
   *)
     # FIXME: should be removed in autoconf 3.0.
-    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
+    echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
-      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
+      echo "$as_me: WARNING: invalid host type: $ac_option" >&2
     : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
     ;;
 
@@ -1162,36 +1124,23 @@
 
 if test -n "$ac_prev"; then
   ac_option=--`echo $ac_prev | sed 's/_/-/g'`
-  as_fn_error "missing argument to $ac_option"
+  { echo "$as_me: error: missing argument to $ac_option" >&2
+   { (exit 1); exit 1; }; }
 fi
 
-if test -n "$ac_unrecognized_opts"; then
-  case $enable_option_checking in
-    no) ;;
-    fatal) as_fn_error "unrecognized options: $ac_unrecognized_opts" ;;
-    *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
-  esac
-fi
-
-# Check all directory arguments for consistency.
+# Be sure to have absolute directory names.
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
 		libdir localedir mandir
 do
   eval ac_val=\$$ac_var
-  # Remove trailing slashes.
-  case $ac_val in
-    */ )
-      ac_val=`expr "X$ac_val" : 'X\(.*[^/]\)' \| "X$ac_val" : 'X\(.*\)'`
-      eval $ac_var=\$ac_val;;
-  esac
-  # Be sure to have absolute directory names.
   case $ac_val in
     [\\/$]* | ?:[\\/]* )  continue;;
     NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
   esac
-  as_fn_error "expected an absolute directory name for --$ac_var: $ac_val"
+  { echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
+   { (exit 1); exit 1; }; }
 done
 
 # There might be people who depend on the old broken behavior: `$host'
@@ -1205,7 +1154,7 @@
 if test "x$host_alias" != x; then
   if test "x$build_alias" = x; then
     cross_compiling=maybe
-    $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
+    echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
     If a cross compiler is detected then cross compile mode will be used." >&2
   elif test "x$build_alias" != "x$host_alias"; then
     cross_compiling=yes
@@ -1221,21 +1170,23 @@
 ac_pwd=`pwd` && test -n "$ac_pwd" &&
 ac_ls_di=`ls -di .` &&
 ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
-  as_fn_error "working directory cannot be determined"
+  { echo "$as_me: error: Working directory cannot be determined" >&2
+   { (exit 1); exit 1; }; }
 test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
-  as_fn_error "pwd does not report name of working directory"
+  { echo "$as_me: error: pwd does not report name of working directory" >&2
+   { (exit 1); exit 1; }; }
 
 
 # Find the source files, if location was not specified.
 if test -z "$srcdir"; then
   ac_srcdir_defaulted=yes
   # Try the directory containing this script, then the parent directory.
-  ac_confdir=`$as_dirname -- "$as_myself" ||
-$as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$as_myself" : 'X\(//\)[^/]' \| \
-	 X"$as_myself" : 'X\(//\)$' \| \
-	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_myself" |
+  ac_confdir=`$as_dirname -- "$0" ||
+$as_expr X"$0" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$0" : 'X\(//\)[^/]' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+echo X"$0" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -1262,11 +1213,13 @@
 fi
 if test ! -r "$srcdir/$ac_unique_file"; then
   test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
-  as_fn_error "cannot find sources ($ac_unique_file) in $srcdir"
+  { echo "$as_me: error: cannot find sources ($ac_unique_file) in $srcdir" >&2
+   { (exit 1); exit 1; }; }
 fi
 ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
 ac_abs_confdir=`(
-	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error "$ac_msg"
+	cd "$srcdir" && test -r "./$ac_unique_file" || { echo "$as_me: error: $ac_msg" >&2
+   { (exit 1); exit 1; }; }
 	pwd)`
 # When building in place, set srcdir=.
 if test "$ac_abs_confdir" = "$ac_pwd"; then
@@ -1314,9 +1267,9 @@
 
 Installation directories:
   --prefix=PREFIX         install architecture-independent files in PREFIX
-                          [$ac_default_prefix]
+			  [$ac_default_prefix]
   --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
-                          [PREFIX]
+			  [PREFIX]
 
 By default, \`make install' will install all the files in
 \`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify
@@ -1326,25 +1279,25 @@
 For better control, use the options below.
 
 Fine tuning of the installation directories:
-  --bindir=DIR            user executables [EPREFIX/bin]
-  --sbindir=DIR           system admin executables [EPREFIX/sbin]
-  --libexecdir=DIR        program executables [EPREFIX/libexec]
-  --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
-  --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
-  --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
-  --libdir=DIR            object code libraries [EPREFIX/lib]
-  --includedir=DIR        C header files [PREFIX/include]
-  --oldincludedir=DIR     C header files for non-gcc [/usr/include]
-  --datarootdir=DIR       read-only arch.-independent data root [PREFIX/share]
-  --datadir=DIR           read-only architecture-independent data [DATAROOTDIR]
-  --infodir=DIR           info documentation [DATAROOTDIR/info]
-  --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
-  --mandir=DIR            man documentation [DATAROOTDIR/man]
-  --docdir=DIR            documentation root [DATAROOTDIR/doc/pjproject]
-  --htmldir=DIR           html documentation [DOCDIR]
-  --dvidir=DIR            dvi documentation [DOCDIR]
-  --pdfdir=DIR            pdf documentation [DOCDIR]
-  --psdir=DIR             ps documentation [DOCDIR]
+  --bindir=DIR           user executables [EPREFIX/bin]
+  --sbindir=DIR          system admin executables [EPREFIX/sbin]
+  --libexecdir=DIR       program executables [EPREFIX/libexec]
+  --sysconfdir=DIR       read-only single-machine data [PREFIX/etc]
+  --sharedstatedir=DIR   modifiable architecture-independent data [PREFIX/com]
+  --localstatedir=DIR    modifiable single-machine data [PREFIX/var]
+  --libdir=DIR           object code libraries [EPREFIX/lib]
+  --includedir=DIR       C header files [PREFIX/include]
+  --oldincludedir=DIR    C header files for non-gcc [/usr/include]
+  --datarootdir=DIR      read-only arch.-independent data root [PREFIX/share]
+  --datadir=DIR          read-only architecture-independent data [DATAROOTDIR]
+  --infodir=DIR          info documentation [DATAROOTDIR/info]
+  --localedir=DIR        locale-dependent data [DATAROOTDIR/locale]
+  --mandir=DIR           man documentation [DATAROOTDIR/man]
+  --docdir=DIR           documentation root [DATAROOTDIR/doc/pjproject]
+  --htmldir=DIR          html documentation [DOCDIR]
+  --dvidir=DIR           dvi documentation [DOCDIR]
+  --pdfdir=DIR           pdf documentation [DOCDIR]
+  --psdir=DIR            ps documentation [DOCDIR]
 _ACEOF
 
   cat <<\_ACEOF
@@ -1363,7 +1316,6 @@
   cat <<\_ACEOF
 
 Optional Features:
-  --disable-option-checking  ignore unrecognized --enable/--with options
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
   --disable-floating-point
@@ -1393,6 +1345,10 @@
                           --with-ipp-samples options
   --disable-ssl           Exclude SSL support the build (default: autodetect)
 
+  --disable-opencore-amrnb
+                          Exclude OpenCORE AMR-NB support from the build
+                          (default: autodetect)
+
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -1425,7 +1381,7 @@
   LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
               nonstandard directory <lib dir>
   LIBS        libraries to pass to the linker, e.g. -l<library>
-  CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
+  CPPFLAGS    C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
               you have headers in a nonstandard directory <include dir>
   CXX         C++ compiler command
   CXXFLAGS    C++ compiler flags
@@ -1434,7 +1390,6 @@
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
 
-Report bugs to the package provider.
 _ACEOF
 ac_status=$?
 fi
@@ -1442,17 +1397,15 @@
 if test "$ac_init_help" = "recursive"; then
   # If there are subdirs, report their specific --help.
   for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
-    test -d "$ac_dir" ||
-      { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } ||
-      continue
+    test -d "$ac_dir" || continue
     ac_builddir=.
 
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,/..,g;s,/,,'`
   case $ac_top_builddir_sub in
   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
   *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
@@ -1488,7 +1441,7 @@
       echo &&
       $SHELL "$ac_srcdir/configure" --help=recursive
     else
-      $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+      echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
     fi || ac_status=$?
     cd "$ac_pwd" || { ac_status=$?; break; }
   done
@@ -1498,410 +1451,21 @@
 if $ac_init_version; then
   cat <<\_ACEOF
 pjproject configure 1.x
-generated by GNU Autoconf 2.65
+generated by GNU Autoconf 2.61
 
-Copyright (C) 2009 Free Software Foundation, Inc.
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
   exit
 fi
-
-## ------------------------ ##
-## Autoconf initialization. ##
-## ------------------------ ##
-
-# ac_fn_c_try_compile LINENO
-# --------------------------
-# Try to compile conftest.$ac_ext, and return whether this succeeded.
-ac_fn_c_try_compile ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext
-  if { { ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_compile") 2>conftest.err
-  ac_status=$?
-  if test -s conftest.err; then
-    grep -v '^ *+' conftest.err >conftest.er1
-    cat conftest.er1 >&5
-    mv -f conftest.er1 conftest.err
-  fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then :
-  ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_retval=1
-fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_compile
-
-# ac_fn_cxx_try_compile LINENO
-# ----------------------------
-# Try to compile conftest.$ac_ext, and return whether this succeeded.
-ac_fn_cxx_try_compile ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext
-  if { { ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_compile") 2>conftest.err
-  ac_status=$?
-  if test -s conftest.err; then
-    grep -v '^ *+' conftest.err >conftest.er1
-    cat conftest.er1 >&5
-    mv -f conftest.er1 conftest.err
-  fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then :
-  ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_retval=1
-fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  as_fn_set_status $ac_retval
-
-} # ac_fn_cxx_try_compile
-
-# ac_fn_c_try_link LINENO
-# -----------------------
-# Try to link conftest.$ac_ext, and return whether this succeeded.
-ac_fn_c_try_link ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext conftest$ac_exeext
-  if { { ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_link") 2>conftest.err
-  ac_status=$?
-  if test -s conftest.err; then
-    grep -v '^ *+' conftest.err >conftest.er1
-    cat conftest.er1 >&5
-    mv -f conftest.er1 conftest.err
-  fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then :
-  ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_retval=1
-fi
-  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
-  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
-  # interfere with the next link command; also delete a directory that is
-  # left behind by Apple's compiler.  We do this before executing the actions.
-  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_link
-
-# ac_fn_c_try_run LINENO
-# ----------------------
-# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
-# that executables *can* be run.
-ac_fn_c_try_run ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if { { ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
-  { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
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-  ac_retval=0
-else
-  $as_echo "$as_me: program exited with status $ac_status" >&5
-       $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-       ac_retval=$ac_status
-fi
-  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_run
-
-# ac_fn_c_try_cpp LINENO
-# ----------------------
-# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
-ac_fn_c_try_cpp ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if { { ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
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-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
-  ac_status=$?
-  if test -s conftest.err; then
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-    cat conftest.er1 >&5
-    mv -f conftest.er1 conftest.err
-  fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } >/dev/null && {
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-	 test ! -s conftest.err
-       }; then :
-  ac_retval=0
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-  $as_echo "$as_me: failed program was:" >&5
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-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_cpp
-
-# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
-# -------------------------------------------------------
-# Tests whether HEADER exists and can be compiled using the include files in
-# INCLUDES, setting the cache variable VAR accordingly.
-ac_fn_c_check_header_compile ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-#include <$2>
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  eval "$3=yes"
-else
-  eval "$3=no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
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-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-
-} # ac_fn_c_check_header_compile
-
-# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
-# -------------------------------------------------------
-# Tests whether HEADER exists, giving a warning if it cannot be compiled using
-# the include files in INCLUDES and setting the cache variable VAR
-# accordingly.
-ac_fn_c_check_header_mongrel ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
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-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
-  $as_echo_n "(cached) " >&6
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
-$as_echo_n "checking $2 usability... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-#include <$2>
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_header_compiler=yes
-else
-  ac_header_compiler=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
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-
-# Is the header present?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
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-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <$2>
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-  ac_header_preproc=yes
-else
-  ac_header_preproc=no
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-rm -f conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
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-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
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-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
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-    ;;
-esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
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-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
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-else
-  eval "$3=\$ac_header_compiler"
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-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-
-} # ac_fn_c_check_header_mongrel
-
-# ac_fn_c_check_func LINENO FUNC VAR
-# ----------------------------------
-# Tests whether FUNC exists, setting the cache variable VAR accordingly
-ac_fn_c_check_func ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $2 innocuous_$2
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $2 (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $2
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char $2 ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_$2 || defined __stub___$2
-choke me
-#endif
-
-int
-main ()
-{
-return $2 ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  eval "$3=yes"
-else
-  eval "$3=no"
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-
-} # ac_fn_c_check_func
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by pjproject $as_me 1.x, which was
-generated by GNU Autoconf 2.65.  Invocation command line was
+generated by GNU Autoconf 2.61.  Invocation command line was
 
   $ $0 $@
 
@@ -1937,8 +1501,8 @@
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    $as_echo "PATH: $as_dir"
-  done
+  echo "PATH: $as_dir"
+done
 IFS=$as_save_IFS
 
 } >&5
@@ -1972,12 +1536,12 @@
     | -silent | --silent | --silen | --sile | --sil)
       continue ;;
     *\'*)
-      ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+      ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     case $ac_pass in
-    1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
+    1) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;;
     2)
-      as_fn_append ac_configure_args1 " '$ac_arg'"
+      ac_configure_args1="$ac_configure_args1 '$ac_arg'"
       if test $ac_must_keep_next = true; then
 	ac_must_keep_next=false # Got value, back to normal.
       else
@@ -1993,13 +1557,13 @@
 	  -* ) ac_must_keep_next=true ;;
 	esac
       fi
-      as_fn_append ac_configure_args " '$ac_arg'"
+      ac_configure_args="$ac_configure_args '$ac_arg'"
       ;;
     esac
   done
 done
-{ ac_configure_args0=; unset ac_configure_args0;}
-{ ac_configure_args1=; unset ac_configure_args1;}
+$as_unset ac_configure_args0 || test "${ac_configure_args0+set}" != set || { ac_configure_args0=; export ac_configure_args0; }
+$as_unset ac_configure_args1 || test "${ac_configure_args1+set}" != set || { ac_configure_args1=; export ac_configure_args1; }
 
 # When interrupted or exit'd, cleanup temporary files, and complete
 # config.log.  We remove comments because anyway the quotes in there
@@ -2024,13 +1588,12 @@
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      *_cv_*) { echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
+echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
-      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
-      *) { eval $ac_var=; unset $ac_var;} ;;
+      *) $as_unset $ac_var ;;
       esac ;;
     esac
   done
@@ -2059,9 +1622,9 @@
     do
       eval ac_val=\$$ac_var
       case $ac_val in
-      *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      *\'\''*) ac_val=`echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
       esac
-      $as_echo "$ac_var='\''$ac_val'\''"
+      echo "$ac_var='\''$ac_val'\''"
     done | sort
     echo
 
@@ -2076,9 +1639,9 @@
       do
 	eval ac_val=\$$ac_var
 	case $ac_val in
-	*\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+	*\'\''*) ac_val=`echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
 	esac
-	$as_echo "$ac_var='\''$ac_val'\''"
+	echo "$ac_var='\''$ac_val'\''"
       done | sort
       echo
     fi
@@ -2094,88 +1657,83 @@
       echo
     fi
     test "$ac_signal" != 0 &&
-      $as_echo "$as_me: caught signal $ac_signal"
-    $as_echo "$as_me: exit $exit_status"
+      echo "$as_me: caught signal $ac_signal"
+    echo "$as_me: exit $exit_status"
   } >&5
   rm -f core *.core core.conftest.* &&
     rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
     exit $exit_status
 ' 0
 for ac_signal in 1 2 13 15; do
-  trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal
+  trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' $ac_signal
 done
 ac_signal=0
 
 # confdefs.h avoids OS command line length limits that DEFS can exceed.
 rm -f -r conftest* confdefs.h
 
-$as_echo "/* confdefs.h */" > confdefs.h
-
 # Predefined preprocessor variables.
 
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_NAME "$PACKAGE_NAME"
 _ACEOF
 
+
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_TARNAME "$PACKAGE_TARNAME"
 _ACEOF
 
+
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_VERSION "$PACKAGE_VERSION"
 _ACEOF
 
+
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_STRING "$PACKAGE_STRING"
 _ACEOF
 
+
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
 _ACEOF
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_URL "$PACKAGE_URL"
-_ACEOF
-
 
 # Let the site file select an alternate cache file if it wants to.
-# Prefer an explicitly selected file to automatically selected ones.
-ac_site_file1=NONE
-ac_site_file2=NONE
+# Prefer explicitly selected file to automatically selected ones.
 if test -n "$CONFIG_SITE"; then
-  ac_site_file1=$CONFIG_SITE
+  set x "$CONFIG_SITE"
 elif test "x$prefix" != xNONE; then
-  ac_site_file1=$prefix/share/config.site
-  ac_site_file2=$prefix/etc/config.site
+  set x "$prefix/share/config.site" "$prefix/etc/config.site"
 else
-  ac_site_file1=$ac_default_prefix/share/config.site
-  ac_site_file2=$ac_default_prefix/etc/config.site
+  set x "$ac_default_prefix/share/config.site" \
+	"$ac_default_prefix/etc/config.site"
 fi
-for ac_site_file in "$ac_site_file1" "$ac_site_file2"
+shift
+for ac_site_file
 do
-  test "x$ac_site_file" = xNONE && continue
-  if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
-$as_echo "$as_me: loading site script $ac_site_file" >&6;}
+  if test -r "$ac_site_file"; then
+    { echo "$as_me:$LINENO: loading site script $ac_site_file" >&5
+echo "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
     . "$ac_site_file"
   fi
 done
 
 if test -r "$cache_file"; then
-  # Some versions of bash will fail to source /dev/null (special files
-  # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
-  if test /dev/null != "$cache_file" && test -f "$cache_file"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
-$as_echo "$as_me: loading cache $cache_file" >&6;}
+  # Some versions of bash will fail to source /dev/null (special
+  # files actually), so we avoid doing that.
+  if test -f "$cache_file"; then
+    { echo "$as_me:$LINENO: loading cache $cache_file" >&5
+echo "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
       [\\/]* | ?:[\\/]* ) . "$cache_file";;
       *)                      . "./$cache_file";;
     esac
   fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
-$as_echo "$as_me: creating cache $cache_file" >&6;}
+  { echo "$as_me:$LINENO: creating cache $cache_file" >&5
+echo "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
 
@@ -2189,56 +1747,68 @@
   eval ac_new_val=\$ac_env_${ac_var}_value
   case $ac_old_set,$ac_new_set in
     set,)
-      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
-$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      { echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,set)
-      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
-$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      { echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5
+echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
     *)
       if test "x$ac_old_val" != "x$ac_new_val"; then
-	# differences in whitespace do not lead to failure.
-	ac_old_val_w=`echo x $ac_old_val`
-	ac_new_val_w=`echo x $ac_new_val`
-	if test "$ac_old_val_w" != "$ac_new_val_w"; then
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
-$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
-	  ac_cache_corrupted=:
-	else
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
-$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
-	  eval $ac_var=\$ac_old_val
-	fi
-	{ $as_echo "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
-$as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
-	{ $as_echo "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
-$as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
+	{ echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
+echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	{ echo "$as_me:$LINENO:   former value:  $ac_old_val" >&5
+echo "$as_me:   former value:  $ac_old_val" >&2;}
+	{ echo "$as_me:$LINENO:   current value: $ac_new_val" >&5
+echo "$as_me:   current value: $ac_new_val" >&2;}
+	ac_cache_corrupted=:
       fi;;
   esac
   # Pass precious variables to config.status.
   if test "$ac_new_set" = set; then
     case $ac_new_val in
-    *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
     *) ac_arg=$ac_var=$ac_new_val ;;
     esac
     case " $ac_configure_args " in
       *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
-      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
+      *) ac_configure_args="$ac_configure_args '$ac_arg'" ;;
     esac
   fi
 done
 if $ac_cache_corrupted; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-  { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
-$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-  as_fn_error "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
+  { echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5
+echo "$as_me: error: changes in the environment can compromise the build" >&2;}
+  { { echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
+echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;}
+   { (exit 1); exit 1; }; }
 fi
-## -------------------- ##
-## Main body of script. ##
-## -------------------- ##
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -2252,16 +1822,24 @@
 
 ac_aux_dir=
 for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
-  for ac_t in install-sh install.sh shtool; do
-    if test -f "$ac_dir/$ac_t"; then
-      ac_aux_dir=$ac_dir
-      ac_install_sh="$ac_aux_dir/$ac_t -c"
-      break 2
-    fi
-  done
+  if test -f "$ac_dir/install-sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install-sh -c"
+    break
+  elif test -f "$ac_dir/install.sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install.sh -c"
+    break
+  elif test -f "$ac_dir/shtool"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/shtool install -c"
+    break
+  fi
 done
 if test -z "$ac_aux_dir"; then
-  as_fn_error "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
+  { { echo "$as_me:$LINENO: error: cannot find install-sh or install.sh in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" >&5
+echo "$as_me: error: cannot find install-sh or install.sh in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" >&2;}
+   { (exit 1); exit 1; }; }
 fi
 
 # These three variables are undocumented and unsupported,
@@ -2275,27 +1853,35 @@
 
 # Make sure we can run config.sub.
 $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
-  as_fn_error "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
+  { { echo "$as_me:$LINENO: error: cannot run $SHELL $ac_aux_dir/config.sub" >&5
+echo "$as_me: error: cannot run $SHELL $ac_aux_dir/config.sub" >&2;}
+   { (exit 1); exit 1; }; }
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
-$as_echo_n "checking build system type... " >&6; }
-if test "${ac_cv_build+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking build system type" >&5
+echo $ECHO_N "checking build system type... $ECHO_C" >&6; }
+if test "${ac_cv_build+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_build_alias=$build_alias
 test "x$ac_build_alias" = x &&
   ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
 test "x$ac_build_alias" = x &&
-  as_fn_error "cannot guess build type; you must specify one" "$LINENO" 5
+  { { echo "$as_me:$LINENO: error: cannot guess build type; you must specify one" >&5
+echo "$as_me: error: cannot guess build type; you must specify one" >&2;}
+   { (exit 1); exit 1; }; }
 ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
-  as_fn_error "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
+  { { echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&5
+echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&2;}
+   { (exit 1); exit 1; }; }
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
-$as_echo "$ac_cv_build" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_build" >&5
+echo "${ECHO_T}$ac_cv_build" >&6; }
 case $ac_cv_build in
 *-*-*) ;;
-*) as_fn_error "invalid value of canonical build" "$LINENO" 5;;
+*) { { echo "$as_me:$LINENO: error: invalid value of canonical build" >&5
+echo "$as_me: error: invalid value of canonical build" >&2;}
+   { (exit 1); exit 1; }; };;
 esac
 build=$ac_cv_build
 ac_save_IFS=$IFS; IFS='-'
@@ -2311,24 +1897,28 @@
 case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
-$as_echo_n "checking host system type... " >&6; }
-if test "${ac_cv_host+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking host system type" >&5
+echo $ECHO_N "checking host system type... $ECHO_C" >&6; }
+if test "${ac_cv_host+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test "x$host_alias" = x; then
   ac_cv_host=$ac_cv_build
 else
   ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
-    as_fn_error "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
+    { { echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&5
+echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&2;}
+   { (exit 1); exit 1; }; }
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
-$as_echo "$ac_cv_host" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_host" >&5
+echo "${ECHO_T}$ac_cv_host" >&6; }
 case $ac_cv_host in
 *-*-*) ;;
-*) as_fn_error "invalid value of canonical host" "$LINENO" 5;;
+*) { { echo "$as_me:$LINENO: error: invalid value of canonical host" >&5
+echo "$as_me: error: invalid value of canonical host" >&2;}
+   { (exit 1); exit 1; }; };;
 esac
 host=$ac_cv_host
 ac_save_IFS=$IFS; IFS='-'
@@ -2344,24 +1934,28 @@
 case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking target system type" >&5
-$as_echo_n "checking target system type... " >&6; }
-if test "${ac_cv_target+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking target system type" >&5
+echo $ECHO_N "checking target system type... $ECHO_C" >&6; }
+if test "${ac_cv_target+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test "x$target_alias" = x; then
   ac_cv_target=$ac_cv_host
 else
   ac_cv_target=`$SHELL "$ac_aux_dir/config.sub" $target_alias` ||
-    as_fn_error "$SHELL $ac_aux_dir/config.sub $target_alias failed" "$LINENO" 5
+    { { echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $target_alias failed" >&5
+echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $target_alias failed" >&2;}
+   { (exit 1); exit 1; }; }
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_target" >&5
-$as_echo "$ac_cv_target" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_target" >&5
+echo "${ECHO_T}$ac_cv_target" >&6; }
 case $ac_cv_target in
 *-*-*) ;;
-*) as_fn_error "invalid value of canonical target" "$LINENO" 5;;
+*) { { echo "$as_me:$LINENO: error: invalid value of canonical target" >&5
+echo "$as_me: error: invalid value of canonical target" >&2;}
+   { (exit 1); exit 1; }; };;
 esac
 target=$ac_cv_target
 ac_save_IFS=$IFS; IFS='-'
@@ -2405,10 +1999,10 @@
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -2418,25 +2012,25 @@
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
@@ -2445,10 +2039,10 @@
   ac_ct_CC=$CC
   # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
@@ -2458,25 +2052,25 @@
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="gcc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
+  { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+echo "${ECHO_T}$ac_ct_CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
   if test "x$ac_ct_CC" = x; then
@@ -2484,8 +2078,12 @@
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&5
+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -2498,10 +2096,10 @@
           if test -n "$ac_tool_prefix"; then
     # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}cc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -2511,25 +2109,25 @@
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
@@ -2538,10 +2136,10 @@
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -2552,18 +2150,18 @@
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
        continue
      fi
     ac_cv_prog_CC="cc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
 if test $ac_prog_rejected = yes; then
@@ -2582,11 +2180,11 @@
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
@@ -2597,10 +2195,10 @@
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -2610,25 +2208,25 @@
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
@@ -2641,10 +2239,10 @@
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
@@ -2654,25 +2252,25 @@
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
+  { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+echo "${ECHO_T}$ac_ct_CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
@@ -2684,8 +2282,12 @@
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&5
+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -2695,37 +2297,51 @@
 fi
 
 
-test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "no acceptable C compiler found in \$PATH
-See \`config.log' for more details." "$LINENO" 5; }
+test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
+See \`config.log' for more details." >&5
+echo "$as_me: error: no acceptable C compiler found in \$PATH
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
 
 # Provide some information about the compiler.
-$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
-set X $ac_compile
-ac_compiler=$2
-for ac_option in --version -v -V -qversion; do
-  { { ac_try="$ac_compiler $ac_option >&5"
+echo "$as_me:$LINENO: checking for C compiler version" >&5
+ac_compiler=`set X $ac_compile; echo $2`
+{ (ac_try="$ac_compiler --version >&5"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compiler --version >&5") 2>&5
   ac_status=$?
-  if test -s conftest.err; then
-    sed '10a\
-... rest of stderr output deleted ...
-         10q' conftest.err >conftest.er1
-    cat conftest.er1 >&5
-  fi
-  rm -f conftest.er1 conftest.err
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-done
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -v >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compiler -v >&5") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -V >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compiler -V >&5") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
 
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -2737,38 +2353,42 @@
 }
 _ACEOF
 ac_clean_files_save=$ac_clean_files
-ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
+ac_clean_files="$ac_clean_files a.out a.exe b.out"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
-$as_echo_n "checking whether the C compiler works... " >&6; }
-ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
-
-# The possible output files:
-ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
-
+{ echo "$as_me:$LINENO: checking for C compiler default output file name" >&5
+echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6; }
+ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+#
+# List of possible output files, starting from the most likely.
+# The algorithm is not robust to junk in `.', hence go to wildcards (a.*)
+# only as a last resort.  b.out is created by i960 compilers.
+ac_files='a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out'
+#
+# The IRIX 6 linker writes into existing files which may not be
+# executable, retaining their permissions.  Remove them first so a
+# subsequent execution test works.
 ac_rmfiles=
 for ac_file in $ac_files
 do
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;;
     * ) ac_rmfiles="$ac_rmfiles $ac_file";;
   esac
 done
 rm -f $ac_rmfiles
 
-if { { ac_try="$ac_link_default"
+if { (ac_try="$ac_link_default"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
   (eval "$ac_link_default") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then :
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
   # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
 # So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
 # in a Makefile.  We should not override ac_cv_exeext if it was cached,
@@ -2778,14 +2398,14 @@
 do
   test -f "$ac_file" || continue
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj )
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj )
 	;;
     [ab].out )
 	# We found the default executable, but exeext='' is most
 	# certainly right.
 	break;;
     *.* )
-	if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
+        if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
 	then :; else
 	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
 	fi
@@ -2804,42 +2424,78 @@
 else
   ac_file=''
 fi
-if test -z "$ac_file"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-$as_echo "$as_me: failed program was:" >&5
+
+{ echo "$as_me:$LINENO: result: $ac_file" >&5
+echo "${ECHO_T}$ac_file" >&6; }
+if test -z "$ac_file"; then
+  echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "C compiler cannot create executables
-See \`config.log' for more details." "$LINENO" 5; }; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+{ { echo "$as_me:$LINENO: error: C compiler cannot create executables
+See \`config.log' for more details." >&5
+echo "$as_me: error: C compiler cannot create executables
+See \`config.log' for more details." >&2;}
+   { (exit 77); exit 77; }; }
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
-$as_echo_n "checking for C compiler default output file name... " >&6; }
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
-$as_echo "$ac_file" >&6; }
+
 ac_exeext=$ac_cv_exeext
 
-rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ echo "$as_me:$LINENO: checking whether the C compiler works" >&5
+echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6; }
+# FIXME: These cross compiler hacks should be removed for Autoconf 3.0
+# If not cross compiling, check that we can run a simple program.
+if test "$cross_compiling" != yes; then
+  if { ac_try='./$ac_file'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+    cross_compiling=no
+  else
+    if test "$cross_compiling" = maybe; then
+	cross_compiling=yes
+    else
+	{ { echo "$as_me:$LINENO: error: cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
+    fi
+  fi
+fi
+{ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+
+rm -f a.out a.exe conftest$ac_cv_exeext b.out
 ac_clean_files=$ac_clean_files_save
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
-$as_echo_n "checking for suffix of executables... " >&6; }
-if { { ac_try="$ac_link"
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ echo "$as_me:$LINENO: checking whether we are cross compiling" >&5
+echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6; }
+{ echo "$as_me:$LINENO: result: $cross_compiling" >&5
+echo "${ECHO_T}$cross_compiling" >&6; }
+
+{ echo "$as_me:$LINENO: checking for suffix of executables" >&5
+echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6; }
+if { (ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then :
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
   # If both `conftest.exe' and `conftest' are `present' (well, observable)
 # catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
 # work properly (i.e., refer to `conftest.exe'), while it won't with
@@ -2847,90 +2503,37 @@
 for ac_file in conftest.exe conftest conftest.*; do
   test -f "$ac_file" || continue
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;;
     *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
 	  break;;
     * ) break;;
   esac
 done
 else
-  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details." "$LINENO" 5; }
+  { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
 fi
-rm -f conftest conftest$ac_cv_exeext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
-$as_echo "$ac_cv_exeext" >&6; }
+
+rm -f conftest$ac_cv_exeext
+{ echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5
+echo "${ECHO_T}$ac_cv_exeext" >&6; }
 
 rm -f conftest.$ac_ext
 EXEEXT=$ac_cv_exeext
 ac_exeext=$EXEEXT
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdio.h>
-int
-main ()
-{
-FILE *f = fopen ("conftest.out", "w");
- return ferror (f) || fclose (f) != 0;
-
-  ;
-  return 0;
-}
-_ACEOF
-ac_clean_files="$ac_clean_files conftest.out"
-# Check that the compiler produces executables we can run.  If not, either
-# the compiler is broken, or we cross compile.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
-$as_echo_n "checking whether we are cross compiling... " >&6; }
-if test "$cross_compiling" != yes; then
-  { { ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-  if { ac_try='./conftest$ac_cv_exeext'
-  { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then
-    cross_compiling=no
-  else
-    if test "$cross_compiling" = maybe; then
-	cross_compiling=yes
-    else
-	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot run C compiled programs.
-If you meant to cross compile, use \`--host'.
-See \`config.log' for more details." "$LINENO" 5; }
-    fi
-  fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
-$as_echo "$cross_compiling" >&6; }
-
-rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
-ac_clean_files=$ac_clean_files_save
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
-$as_echo_n "checking for suffix of object files... " >&6; }
-if test "${ac_cv_objext+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for suffix of object files" >&5
+echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6; }
+if test "${ac_cv_objext+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -2942,46 +2545,51 @@
 }
 _ACEOF
 rm -f conftest.o conftest.obj
-if { { ac_try="$ac_compile"
+if { (ac_try="$ac_compile"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
   (eval "$ac_compile") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then :
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
   for ac_file in conftest.o conftest.obj conftest.*; do
   test -f "$ac_file" || continue;
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf ) ;;
     *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
        break;;
   esac
 done
 else
-  $as_echo "$as_me: failed program was:" >&5
+  echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot compute suffix of object files: cannot compile
-See \`config.log' for more details." "$LINENO" 5; }
+{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
 fi
+
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
-$as_echo "$ac_cv_objext" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
+echo "${ECHO_T}$ac_cv_objext" >&6; }
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
-$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if test "${ac_cv_c_compiler_gnu+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
+echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6; }
+if test "${ac_cv_c_compiler_gnu+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -2995,34 +2603,54 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_compiler_gnu=yes
 else
-  ac_compiler_gnu=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_compiler_gnu=no
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
-$as_echo "$ac_cv_c_compiler_gnu" >&6; }
-if test $ac_compiler_gnu = yes; then
-  GCC=yes
-else
-  GCC=
-fi
+{ echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
+echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6; }
+GCC=`test $ac_compiler_gnu = yes && echo yes`
 ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
-$as_echo_n "checking whether $CC accepts -g... " >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
+echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6; }
+if test "${ac_cv_prog_cc_g+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
    CFLAGS="-g"
-   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+   cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -3033,11 +2661,34 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_cv_prog_cc_g=yes
 else
-  CFLAGS=""
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	CFLAGS=""
+      cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -3048,12 +2699,35 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
 else
-  ac_c_werror_flag=$ac_save_c_werror_flag
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_c_werror_flag=$ac_save_c_werror_flag
 	 CFLAGS="-g"
-	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+	 cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -3064,18 +2738,42 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_cv_prog_cc_g=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
    ac_c_werror_flag=$ac_save_c_werror_flag
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
-$as_echo "$ac_cv_prog_cc_g" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
+echo "${ECHO_T}$ac_cv_prog_cc_g" >&6; }
 if test "$ac_test_CFLAGS" = set; then
   CFLAGS=$ac_save_CFLAGS
 elif test $ac_cv_prog_cc_g = yes; then
@@ -3091,14 +2789,18 @@
     CFLAGS=
   fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
-$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if test "${ac_cv_prog_cc_c89+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5
+echo $ECHO_N "checking for $CC option to accept ISO C89... $ECHO_C" >&6; }
+if test "${ac_cv_prog_cc_c89+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <stdarg.h>
 #include <stdio.h>
@@ -3155,9 +2857,31 @@
 	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  if ac_fn_c_try_compile "$LINENO"; then :
+  rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_cv_prog_cc_c89=$ac_arg
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
 fi
+
 rm -f core conftest.err conftest.$ac_objext
   test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
@@ -3168,19 +2892,17 @@
 # AC_CACHE_VAL
 case "x$ac_cv_prog_cc_c89" in
   x)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-$as_echo "none needed" >&6; } ;;
+    { echo "$as_me:$LINENO: result: none needed" >&5
+echo "${ECHO_T}none needed" >&6; } ;;
   xno)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-$as_echo "unsupported" >&6; } ;;
+    { echo "$as_me:$LINENO: result: unsupported" >&5
+echo "${ECHO_T}unsupported" >&6; } ;;
   *)
     CC="$CC $ac_cv_prog_cc_c89"
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
-$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
+    { echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5
+echo "${ECHO_T}$ac_cv_prog_cc_c89" >&6; } ;;
 esac
-if test "x$ac_cv_prog_cc_c89" != xno; then :
 
-fi
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -3202,10 +2924,10 @@
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CXX+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_CXX+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
@@ -3215,25 +2937,25 @@
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
 fi
 fi
 CXX=$ac_cv_prog_CXX
 if test -n "$CXX"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
-$as_echo "$CXX" >&6; }
+  { echo "$as_me:$LINENO: result: $CXX" >&5
+echo "${ECHO_T}$CXX" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
@@ -3246,10 +2968,10 @@
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$ac_ct_CXX"; then
   ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
@@ -3259,25 +2981,25 @@
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CXX="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
 if test -n "$ac_ct_CXX"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
-$as_echo "$ac_ct_CXX" >&6; }
+  { echo "$as_me:$LINENO: result: $ac_ct_CXX" >&5
+echo "${ECHO_T}$ac_ct_CXX" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
@@ -3289,8 +3011,12 @@
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&5
+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
 ac_tool_warned=yes ;;
 esac
     CXX=$ac_ct_CXX
@@ -3300,36 +3026,49 @@
   fi
 fi
 # Provide some information about the compiler.
-$as_echo "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5
-set X $ac_compile
-ac_compiler=$2
-for ac_option in --version -v -V -qversion; do
-  { { ac_try="$ac_compiler $ac_option >&5"
+echo "$as_me:$LINENO: checking for C++ compiler version" >&5
+ac_compiler=`set X $ac_compile; echo $2`
+{ (ac_try="$ac_compiler --version >&5"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compiler --version >&5") 2>&5
   ac_status=$?
-  if test -s conftest.err; then
-    sed '10a\
-... rest of stderr output deleted ...
-         10q' conftest.err >conftest.er1
-    cat conftest.er1 >&5
-  fi
-  rm -f conftest.er1 conftest.err
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-done
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -v >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compiler -v >&5") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -V >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compiler -V >&5") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C++ compiler" >&5
-$as_echo_n "checking whether we are using the GNU C++ compiler... " >&6; }
-if test "${ac_cv_cxx_compiler_gnu+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking whether we are using the GNU C++ compiler" >&5
+echo $ECHO_N "checking whether we are using the GNU C++ compiler... $ECHO_C" >&6; }
+if test "${ac_cv_cxx_compiler_gnu+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -3343,34 +3082,54 @@
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_compiler_gnu=yes
 else
-  ac_compiler_gnu=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_compiler_gnu=no
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
-$as_echo "$ac_cv_cxx_compiler_gnu" >&6; }
-if test $ac_compiler_gnu = yes; then
-  GXX=yes
-else
-  GXX=
-fi
+{ echo "$as_me:$LINENO: result: $ac_cv_cxx_compiler_gnu" >&5
+echo "${ECHO_T}$ac_cv_cxx_compiler_gnu" >&6; }
+GXX=`test $ac_compiler_gnu = yes && echo yes`
 ac_test_CXXFLAGS=${CXXFLAGS+set}
 ac_save_CXXFLAGS=$CXXFLAGS
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
-$as_echo_n "checking whether $CXX accepts -g... " >&6; }
-if test "${ac_cv_prog_cxx_g+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking whether $CXX accepts -g" >&5
+echo $ECHO_N "checking whether $CXX accepts -g... $ECHO_C" >&6; }
+if test "${ac_cv_prog_cxx_g+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_save_cxx_werror_flag=$ac_cxx_werror_flag
    ac_cxx_werror_flag=yes
    ac_cv_prog_cxx_g=no
    CXXFLAGS="-g"
-   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+   cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -3381,11 +3140,34 @@
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_cv_prog_cxx_g=yes
 else
-  CXXFLAGS=""
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	CXXFLAGS=""
+      cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -3396,12 +3178,35 @@
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
-
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
 else
-  ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cxx_werror_flag=$ac_save_cxx_werror_flag
 	 CXXFLAGS="-g"
-	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+	 cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -3412,18 +3217,42 @@
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_cv_prog_cxx_g=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
    ac_cxx_werror_flag=$ac_save_cxx_werror_flag
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
-$as_echo "$ac_cv_prog_cxx_g" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_prog_cxx_g" >&5
+echo "${ECHO_T}$ac_cv_prog_cxx_g" >&6; }
 if test "$ac_test_CXXFLAGS" = set; then
   CXXFLAGS=$ac_save_CXXFLAGS
 elif test $ac_cv_prog_cxx_g = yes; then
@@ -3460,7 +3289,7 @@
 
 if test "$LD" = ""; then LD="$CC"; fi
 
-if test "$LDOUT" = ""; then LDOUT="-o"; fi
+if test "$LDOUT" = ""; then LDOUT="-o "; fi
 
 if test "$RANLIB" = ""; then RANLIB="${CROSS_COMPILE}ranlib"; fi
 
@@ -3470,7 +3299,7 @@
 
 if test "$LIBEXT2" = ""; then LIBEXT2=""; fi
 
-if test "$CC_OUT" = ""; then CC_OUT="-o"; fi
+if test "$CC_OUT" = ""; then CC_OUT="-o "; fi
 
 if test "$CC_INC" = ""; then CC_INC="-I"; fi
 
@@ -3501,14 +3330,19 @@
 esac
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthread" >&5
-$as_echo_n "checking for pthread_create in -lpthread... " >&6; }
-if test "${ac_cv_lib_pthread_pthread_create+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for pthread_create in -lpthread" >&5
+echo $ECHO_N "checking for pthread_create in -lpthread... $ECHO_C" >&6; }
+if test "${ac_cv_lib_pthread_pthread_create+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lpthread  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -3526,18 +3360,39 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_pthread_pthread_create=yes
 else
-  ac_cv_lib_pthread_pthread_create=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_pthread_pthread_create=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_create" >&5
-$as_echo "$ac_cv_lib_pthread_pthread_create" >&6; }
-if test "x$ac_cv_lib_pthread_pthread_create" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_pthread_pthread_create" >&5
+echo "${ECHO_T}$ac_cv_lib_pthread_pthread_create" >&6; }
+if test $ac_cv_lib_pthread_pthread_create = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
 _ACEOF
@@ -3546,14 +3401,19 @@
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for puts in -lwsock32" >&5
-$as_echo_n "checking for puts in -lwsock32... " >&6; }
-if test "${ac_cv_lib_wsock32_puts+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for puts in -lwsock32" >&5
+echo $ECHO_N "checking for puts in -lwsock32... $ECHO_C" >&6; }
+if test "${ac_cv_lib_wsock32_puts+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lwsock32  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -3571,18 +3431,39 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_wsock32_puts=yes
 else
-  ac_cv_lib_wsock32_puts=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_wsock32_puts=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_wsock32_puts" >&5
-$as_echo "$ac_cv_lib_wsock32_puts" >&6; }
-if test "x$ac_cv_lib_wsock32_puts" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_wsock32_puts" >&5
+echo "${ECHO_T}$ac_cv_lib_wsock32_puts" >&6; }
+if test $ac_cv_lib_wsock32_puts = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBWSOCK32 1
 _ACEOF
@@ -3591,14 +3472,19 @@
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for puts in -lws2_32" >&5
-$as_echo_n "checking for puts in -lws2_32... " >&6; }
-if test "${ac_cv_lib_ws2_32_puts+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for puts in -lws2_32" >&5
+echo $ECHO_N "checking for puts in -lws2_32... $ECHO_C" >&6; }
+if test "${ac_cv_lib_ws2_32_puts+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lws2_32  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -3616,18 +3502,39 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_ws2_32_puts=yes
 else
-  ac_cv_lib_ws2_32_puts=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_ws2_32_puts=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ws2_32_puts" >&5
-$as_echo "$ac_cv_lib_ws2_32_puts" >&6; }
-if test "x$ac_cv_lib_ws2_32_puts" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_ws2_32_puts" >&5
+echo "${ECHO_T}$ac_cv_lib_ws2_32_puts" >&6; }
+if test $ac_cv_lib_ws2_32_puts = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBWS2_32 1
 _ACEOF
@@ -3636,14 +3543,19 @@
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for puts in -lole32" >&5
-$as_echo_n "checking for puts in -lole32... " >&6; }
-if test "${ac_cv_lib_ole32_puts+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for puts in -lole32" >&5
+echo $ECHO_N "checking for puts in -lole32... $ECHO_C" >&6; }
+if test "${ac_cv_lib_ole32_puts+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lole32  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -3661,18 +3573,39 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_ole32_puts=yes
 else
-  ac_cv_lib_ole32_puts=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_ole32_puts=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ole32_puts" >&5
-$as_echo "$ac_cv_lib_ole32_puts" >&6; }
-if test "x$ac_cv_lib_ole32_puts" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_ole32_puts" >&5
+echo "${ECHO_T}$ac_cv_lib_ole32_puts" >&6; }
+if test $ac_cv_lib_ole32_puts = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBOLE32 1
 _ACEOF
@@ -3681,14 +3614,19 @@
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for puts in -lwinmm" >&5
-$as_echo_n "checking for puts in -lwinmm... " >&6; }
-if test "${ac_cv_lib_winmm_puts+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for puts in -lwinmm" >&5
+echo $ECHO_N "checking for puts in -lwinmm... $ECHO_C" >&6; }
+if test "${ac_cv_lib_winmm_puts+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lwinmm  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -3706,18 +3644,39 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_winmm_puts=yes
 else
-  ac_cv_lib_winmm_puts=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_winmm_puts=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_winmm_puts" >&5
-$as_echo "$ac_cv_lib_winmm_puts" >&6; }
-if test "x$ac_cv_lib_winmm_puts" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_winmm_puts" >&5
+echo "${ECHO_T}$ac_cv_lib_winmm_puts" >&6; }
+if test $ac_cv_lib_winmm_puts = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBWINMM 1
 _ACEOF
@@ -3726,14 +3685,19 @@
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for puts in -lsocket" >&5
-$as_echo_n "checking for puts in -lsocket... " >&6; }
-if test "${ac_cv_lib_socket_puts+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for puts in -lsocket" >&5
+echo $ECHO_N "checking for puts in -lsocket... $ECHO_C" >&6; }
+if test "${ac_cv_lib_socket_puts+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsocket  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -3751,18 +3715,39 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_socket_puts=yes
 else
-  ac_cv_lib_socket_puts=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_socket_puts=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_puts" >&5
-$as_echo "$ac_cv_lib_socket_puts" >&6; }
-if test "x$ac_cv_lib_socket_puts" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_socket_puts" >&5
+echo "${ECHO_T}$ac_cv_lib_socket_puts" >&6; }
+if test $ac_cv_lib_socket_puts = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBSOCKET 1
 _ACEOF
@@ -3771,14 +3756,19 @@
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for puts in -lrt" >&5
-$as_echo_n "checking for puts in -lrt... " >&6; }
-if test "${ac_cv_lib_rt_puts+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for puts in -lrt" >&5
+echo $ECHO_N "checking for puts in -lrt... $ECHO_C" >&6; }
+if test "${ac_cv_lib_rt_puts+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lrt  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -3796,18 +3786,39 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_rt_puts=yes
 else
-  ac_cv_lib_rt_puts=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_rt_puts=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_rt_puts" >&5
-$as_echo "$ac_cv_lib_rt_puts" >&6; }
-if test "x$ac_cv_lib_rt_puts" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_rt_puts" >&5
+echo "${ECHO_T}$ac_cv_lib_rt_puts" >&6; }
+if test $ac_cv_lib_rt_puts = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBRT 1
 _ACEOF
@@ -3816,14 +3827,19 @@
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for puts in -lnsl" >&5
-$as_echo_n "checking for puts in -lnsl... " >&6; }
-if test "${ac_cv_lib_nsl_puts+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for puts in -lnsl" >&5
+echo $ECHO_N "checking for puts in -lnsl... $ECHO_C" >&6; }
+if test "${ac_cv_lib_nsl_puts+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lnsl  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -3841,18 +3857,39 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_nsl_puts=yes
 else
-  ac_cv_lib_nsl_puts=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_nsl_puts=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_puts" >&5
-$as_echo "$ac_cv_lib_nsl_puts" >&6; }
-if test "x$ac_cv_lib_nsl_puts" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_nsl_puts" >&5
+echo "${ECHO_T}$ac_cv_lib_nsl_puts" >&6; }
+if test $ac_cv_lib_nsl_puts = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBNSL 1
 _ACEOF
@@ -3861,14 +3898,19 @@
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for uuid_generate in -luuid" >&5
-$as_echo_n "checking for uuid_generate in -luuid... " >&6; }
-if test "${ac_cv_lib_uuid_uuid_generate+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for uuid_generate in -luuid" >&5
+echo $ECHO_N "checking for uuid_generate in -luuid... $ECHO_C" >&6; }
+if test "${ac_cv_lib_uuid_uuid_generate+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-luuid  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -3886,18 +3928,39 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_uuid_uuid_generate=yes
 else
-  ac_cv_lib_uuid_uuid_generate=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_uuid_uuid_generate=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_uuid_uuid_generate" >&5
-$as_echo "$ac_cv_lib_uuid_uuid_generate" >&6; }
-if test "x$ac_cv_lib_uuid_uuid_generate" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_uuid_uuid_generate" >&5
+echo "${ECHO_T}$ac_cv_lib_uuid_uuid_generate" >&6; }
+if test $ac_cv_lib_uuid_uuid_generate = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBUUID 1
 _ACEOF
@@ -3906,14 +3969,18 @@
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for uuid_generate in -luuid" >&5
-$as_echo_n "checking for uuid_generate in -luuid... " >&6; }
-if test "${ac_cv_lib_uuid_uuid_generate+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for uuid_generate in -luuid" >&5
+echo $ECHO_N "checking for uuid_generate in -luuid... $ECHO_C" >&6; }
+if test "${ac_cv_lib_uuid_uuid_generate+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-luuid  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -3931,43 +3998,68 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_uuid_uuid_generate=yes
 else
-  ac_cv_lib_uuid_uuid_generate=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_uuid_uuid_generate=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_uuid_uuid_generate" >&5
-$as_echo "$ac_cv_lib_uuid_uuid_generate" >&6; }
-if test "x$ac_cv_lib_uuid_uuid_generate" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_uuid_uuid_generate" >&5
+echo "${ECHO_T}$ac_cv_lib_uuid_uuid_generate" >&6; }
+if test $ac_cv_lib_uuid_uuid_generate = yes; then
   ac_has_uuid_lib=1
 fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Setting PJ_M_NAME to $target_cpu" >&5
-$as_echo "Setting PJ_M_NAME to $target_cpu" >&6; }
+{ echo "$as_me:$LINENO: result: Setting PJ_M_NAME to $target_cpu" >&5
+echo "${ECHO_T}Setting PJ_M_NAME to $target_cpu" >&6; }
 cat >>confdefs.h <<_ACEOF
 #define PJ_M_NAME "$target_cpu"
 _ACEOF
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking memory alignment" >&5
-$as_echo_n "checking memory alignment... " >&6; }
+{ echo "$as_me:$LINENO: checking memory alignment" >&5
+echo $ECHO_N "checking memory alignment... $ECHO_C" >&6; }
 case $target in
     sparc64-* | ia64-* | x86_64-* )
-	$as_echo "#define PJ_POOL_ALIGNMENT 8" >>confdefs.h
+	cat >>confdefs.h <<\_ACEOF
+#define PJ_POOL_ALIGNMENT 8
+_ACEOF
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: 8 bytes" >&5
-$as_echo "8 bytes" >&6; }
+	{ echo "$as_me:$LINENO: result: 8 bytes" >&5
+echo "${ECHO_T}8 bytes" >&6; }
 	;;
     * )
-	$as_echo "#define PJ_POOL_ALIGNMENT 4" >>confdefs.h
+	cat >>confdefs.h <<\_ACEOF
+#define PJ_POOL_ALIGNMENT 4
+_ACEOF
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: 4 bytes (default)" >&5
-$as_echo "4 bytes (default)" >&6; }
+	{ echo "$as_me:$LINENO: result: 4 bytes (default)" >&5
+echo "${ECHO_T}4 bytes (default)" >&6; }
 	;;
 esac
 
@@ -3977,15 +4069,15 @@
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
-$as_echo_n "checking how to run the C preprocessor... " >&6; }
+{ echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
+echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6; }
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if test "${ac_cv_prog_CPP+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+  if test "${ac_cv_prog_CPP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
       # Double quotes because CPP needs to be expanded
     for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
@@ -3999,7 +4091,11 @@
   # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #ifdef __STDC__
 # include <limits.h>
@@ -4008,34 +4104,76 @@
 #endif
 		     Syntax error
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  :
 else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
   # Broken: fails on valid input.
 continue
 fi
+
 rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
   # Broken: success on invalid input.
 continue
 else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
+
 rm -f conftest.err conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
+if $ac_preproc_ok; then
   break
 fi
 
@@ -4047,8 +4185,8 @@
 else
   ac_cv_prog_CPP=$CPP
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
-$as_echo "$CPP" >&6; }
+{ echo "$as_me:$LINENO: result: $CPP" >&5
+echo "${ECHO_T}$CPP" >&6; }
 ac_preproc_ok=false
 for ac_c_preproc_warn_flag in '' yes
 do
@@ -4058,7 +4196,11 @@
   # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #ifdef __STDC__
 # include <limits.h>
@@ -4067,40 +4209,83 @@
 #endif
 		     Syntax error
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  :
 else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
   # Broken: fails on valid input.
 continue
 fi
+
 rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
   # Broken: success on invalid input.
 continue
 else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
+
 rm -f conftest.err conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
-
+if $ac_preproc_ok; then
+  :
 else
-  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." "$LINENO" 5; }
+  { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." >&5
+echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
 fi
 
 ac_ext=c
@@ -4110,40 +4295,45 @@
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
-$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if test "${ac_cv_path_GREP+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
+echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6; }
+if test "${ac_cv_path_GREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  if test -z "$GREP"; then
+  # Extract the first word of "grep ggrep" to use in msg output
+if test -z "$GREP"; then
+set dummy grep ggrep; ac_prog_name=$2
+if test "${ac_cv_path_GREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
   ac_path_GREP_found=false
-  # Loop through the user's path and test for each of PROGNAME-LIST
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+# Loop through the user's path and test for each of PROGNAME-LIST
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_prog in grep ggrep; do
-    for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
-      { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
-# Check for GNU ac_path_GREP and select it if it is found.
+  for ac_prog in grep ggrep; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
+    ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+    { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
+    # Check for GNU ac_path_GREP and select it if it is found.
   # Check for GNU $ac_path_GREP
 case `"$ac_path_GREP" --version 2>&1` in
 *GNU*)
   ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'GREP' >> "conftest.nl"
+    echo 'GREP' >> "conftest.nl"
     "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    ac_count=`expr $ac_count + 1`
     if test $ac_count -gt ${ac_path_GREP_max-0}; then
       # Best one so far, save it but keep looking for a better one
       ac_cv_path_GREP="$ac_path_GREP"
@@ -4155,61 +4345,77 @@
   rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
 esac
 
-      $ac_path_GREP_found && break 3
-    done
+
+    $ac_path_GREP_found && break 3
   done
-  done
+done
+
+done
 IFS=$as_save_IFS
-  if test -z "$ac_cv_path_GREP"; then
-    as_fn_error "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
-  fi
+
+
+fi
+
+GREP="$ac_cv_path_GREP"
+if test -z "$GREP"; then
+  { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
+echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
 else
   ac_cv_path_GREP=$GREP
 fi
 
+
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
-$as_echo "$ac_cv_path_GREP" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
+echo "${ECHO_T}$ac_cv_path_GREP" >&6; }
  GREP="$ac_cv_path_GREP"
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
-$as_echo_n "checking for egrep... " >&6; }
-if test "${ac_cv_path_EGREP+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for egrep" >&5
+echo $ECHO_N "checking for egrep... $ECHO_C" >&6; }
+if test "${ac_cv_path_EGREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
    then ac_cv_path_EGREP="$GREP -E"
    else
-     if test -z "$EGREP"; then
+     # Extract the first word of "egrep" to use in msg output
+if test -z "$EGREP"; then
+set dummy egrep; ac_prog_name=$2
+if test "${ac_cv_path_EGREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
   ac_path_EGREP_found=false
-  # Loop through the user's path and test for each of PROGNAME-LIST
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+# Loop through the user's path and test for each of PROGNAME-LIST
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_prog in egrep; do
-    for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
-      { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
-# Check for GNU ac_path_EGREP and select it if it is found.
+  for ac_prog in egrep; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
+    ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+    { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
+    # Check for GNU ac_path_EGREP and select it if it is found.
   # Check for GNU $ac_path_EGREP
 case `"$ac_path_EGREP" --version 2>&1` in
 *GNU*)
   ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'EGREP' >> "conftest.nl"
+    echo 'EGREP' >> "conftest.nl"
     "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    ac_count=`expr $ac_count + 1`
     if test $ac_count -gt ${ac_path_EGREP_max-0}; then
       # Best one so far, save it but keep looking for a better one
       ac_cv_path_EGREP="$ac_path_EGREP"
@@ -4221,31 +4427,46 @@
   rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
 esac
 
-      $ac_path_EGREP_found && break 3
-    done
+
+    $ac_path_EGREP_found && break 3
   done
-  done
+done
+
+done
 IFS=$as_save_IFS
-  if test -z "$ac_cv_path_EGREP"; then
-    as_fn_error "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
-  fi
+
+
+fi
+
+EGREP="$ac_cv_path_EGREP"
+if test -z "$EGREP"; then
+  { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
+echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
 else
   ac_cv_path_EGREP=$EGREP
 fi
 
+
    fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
-$as_echo "$ac_cv_path_EGREP" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
+echo "${ECHO_T}$ac_cv_path_EGREP" >&6; }
  EGREP="$ac_cv_path_EGREP"
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
-$as_echo_n "checking for ANSI C header files... " >&6; }
-if test "${ac_cv_header_stdc+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for ANSI C header files" >&5
+echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdc+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <stdlib.h>
 #include <stdarg.h>
@@ -4260,53 +4481,85 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_cv_header_stdc=yes
 else
-  ac_cv_header_stdc=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_header_stdc=no
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <string.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then :
-
+  $EGREP "memchr" >/dev/null 2>&1; then
+  :
 else
   ac_cv_header_stdc=no
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi
 
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <stdlib.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then :
-
+  $EGREP "free" >/dev/null 2>&1; then
+  :
 else
   ac_cv_header_stdc=no
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi
 
 if test $ac_cv_header_stdc = yes; then
   # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then :
+  if test "$cross_compiling" = yes; then
   :
 else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ctype.h>
 #include <stdlib.h>
@@ -4333,36 +4586,113 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  :
 else
-  ac_cv_header_stdc=no
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_header_stdc=no
 fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
 fi
 
+
 fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
-$as_echo "$ac_cv_header_stdc" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
+echo "${ECHO_T}$ac_cv_header_stdc" >&6; }
 if test $ac_cv_header_stdc = yes; then
 
-$as_echo "#define STDC_HEADERS 1" >>confdefs.h
+cat >>confdefs.h <<\_ACEOF
+#define STDC_HEADERS 1
+_ACEOF
 
 fi
 
 # On IRIX 5.3, sys/types and inttypes.h are conflicting.
+
+
+
+
+
+
+
+
+
 for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
 		  inttypes.h stdint.h unistd.h
-do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
-"
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  eval "$as_ac_Header=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_Header=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
   cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
 
 fi
@@ -4370,254 +4700,286 @@
 done
 
 
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
-$as_echo_n "checking whether byte ordering is bigendian... " >&6; }
-if test "${ac_cv_c_bigendian+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking whether byte ordering is bigendian" >&5
+echo $ECHO_N "checking whether byte ordering is bigendian... $ECHO_C" >&6; }
+if test "${ac_cv_c_bigendian+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  ac_cv_c_bigendian=unknown
-    # See if we're dealing with a universal compiler.
-    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#ifndef __APPLE_CC__
-	       not a universal capable compiler
-	     #endif
-	     typedef int dummy;
-
+  # See if sys/param.h defines the BYTE_ORDER macro.
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-
-	# Check for potential -arch flags.  It is not universal unless
-	# there are at least two -arch flags with different values.
-	ac_arch=
-	ac_prev=
-	for ac_word in $CC $CFLAGS $CPPFLAGS $LDFLAGS; do
-	 if test -n "$ac_prev"; then
-	   case $ac_word in
-	     i?86 | x86_64 | ppc | ppc64)
-	       if test -z "$ac_arch" || test "$ac_arch" = "$ac_word"; then
-		 ac_arch=$ac_word
-	       else
-		 ac_cv_c_bigendian=universal
-		 break
-	       fi
-	       ;;
-	   esac
-	   ac_prev=
-	 elif test "x$ac_word" = "x-arch"; then
-	   ac_prev=arch
-	 fi
-       done
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-    if test $ac_cv_c_bigendian = unknown; then
-      # See if sys/param.h defines the BYTE_ORDER macro.
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
-	     #include <sys/param.h>
+#include <sys/param.h>
 
 int
 main ()
 {
-#if ! (defined BYTE_ORDER && defined BIG_ENDIAN \
-		     && defined LITTLE_ENDIAN && BYTE_ORDER && BIG_ENDIAN \
-		     && LITTLE_ENDIAN)
-	      bogus endian macros
-	     #endif
+#if  ! (defined BYTE_ORDER && defined BIG_ENDIAN && defined LITTLE_ENDIAN \
+	&& BYTE_ORDER && BIG_ENDIAN && LITTLE_ENDIAN)
+ bogus endian macros
+#endif
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   # It does; now see whether it defined to BIG_ENDIAN or not.
-	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
-		#include <sys/param.h>
+#include <sys/param.h>
 
 int
 main ()
 {
 #if BYTE_ORDER != BIG_ENDIAN
-		 not big endian
-		#endif
+ not big endian
+#endif
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_cv_c_bigendian=yes
 else
-  ac_cv_c_bigendian=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-    fi
-    if test $ac_cv_c_bigendian = unknown; then
-      # See if <limits.h> defines _LITTLE_ENDIAN or _BIG_ENDIAN (e.g., Solaris).
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <limits.h>
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
+	ac_cv_c_bigendian=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	# It does not; compile a test program.
+if test "$cross_compiling" = yes; then
+  # try to guess the endianness by grepping values into an object file
+  ac_cv_c_bigendian=unknown
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+short int ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
+short int ascii_ii[] = { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
+void _ascii () { char *s = (char *) ascii_mm; s = (char *) ascii_ii; }
+short int ebcdic_ii[] = { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
+short int ebcdic_mm[] = { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
+void _ebcdic () { char *s = (char *) ebcdic_mm; s = (char *) ebcdic_ii; }
 int
 main ()
 {
-#if ! (defined _LITTLE_ENDIAN || defined _BIG_ENDIAN)
-	      bogus endian macros
-	     #endif
-
+ _ascii (); _ebcdic ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  # It does; now see whether it defined to _BIG_ENDIAN or not.
-	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <limits.h>
-
-int
-main ()
-{
-#ifndef _BIG_ENDIAN
-		 not big endian
-		#endif
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  if grep BIGenDianSyS conftest.$ac_objext >/dev/null ; then
   ac_cv_c_bigendian=yes
+fi
+if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then
+  if test "$ac_cv_c_bigendian" = unknown; then
+    ac_cv_c_bigendian=no
+  else
+    # finding both strings is unlikely to happen, but who knows?
+    ac_cv_c_bigendian=unknown
+  fi
+fi
 else
-  ac_cv_c_bigendian=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-    fi
-    if test $ac_cv_c_bigendian = unknown; then
-      # Compile a test program.
-      if test "$cross_compiling" = yes; then :
-  # Try to guess by grepping values from an object file.
-	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-short int ascii_mm[] =
-		  { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
-		short int ascii_ii[] =
-		  { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
-		int use_ascii (int i) {
-		  return ascii_mm[i] + ascii_ii[i];
-		}
-		short int ebcdic_ii[] =
-		  { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
-		short int ebcdic_mm[] =
-		  { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
-		int use_ebcdic (int i) {
-		  return ebcdic_mm[i] + ebcdic_ii[i];
-		}
-		extern int foo;
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
-int
-main ()
-{
-return use_ascii (foo) == use_ebcdic (foo);
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  if grep BIGenDianSyS conftest.$ac_objext >/dev/null; then
-	      ac_cv_c_bigendian=yes
-	    fi
-	    if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then
-	      if test "$ac_cv_c_bigendian" = unknown; then
-		ac_cv_c_bigendian=no
-	      else
-		# finding both strings is unlikely to happen, but who knows?
-		ac_cv_c_bigendian=unknown
-	      fi
-	    fi
+
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
 int
 main ()
 {
 
-	     /* Are we little or big endian?  From Harbison&Steele.  */
-	     union
-	     {
-	       long int l;
-	       char c[sizeof (long int)];
-	     } u;
-	     u.l = 1;
-	     return u.c[sizeof (long int) - 1] == 1;
+  /* Are we little or big endian?  From Harbison&Steele.  */
+  union
+  {
+    long int l;
+    char c[sizeof (long int)];
+  } u;
+  u.l = 1;
+  return u.c[sizeof (long int) - 1] == 1;
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_c_bigendian=no
 else
-  ac_cv_c_bigendian=yes
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_c_bigendian=yes
 fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
 fi
 
-    fi
+
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_bigendian" >&5
-$as_echo "$ac_cv_c_bigendian" >&6; }
- case $ac_cv_c_bigendian in #(
-   yes)
-     $as_echo "#define WORDS_BIGENDIAN 1" >>confdefs.h
-;; #(
-   no)
-      ;; #(
-   universal)
 
-$as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_c_bigendian" >&5
+echo "${ECHO_T}$ac_cv_c_bigendian" >&6; }
+case $ac_cv_c_bigendian in
+  yes)
 
-     ;; #(
-   *)
-     as_fn_error "unknown endianness
- presetting ac_cv_c_bigendian=no (or yes) will help" "$LINENO" 5 ;;
- esac
+cat >>confdefs.h <<\_ACEOF
+#define WORDS_BIGENDIAN 1
+_ACEOF
+ ;;
+  no)
+     ;;
+  *)
+    { { echo "$as_me:$LINENO: error: unknown endianness
+presetting ac_cv_c_bigendian=no (or yes) will help" >&5
+echo "$as_me: error: unknown endianness
+presetting ac_cv_c_bigendian=no (or yes) will help" >&2;}
+   { (exit 1); exit 1; }; } ;;
+esac
 
 
+if test "x$ac_cv_c_bigendian" = "xyes"; then
+  CFLAGS="$CFLAGS -DPJ_IS_BIG_ENDIAN=1 -DPJ_IS_LITTLE_ENDIAN=0"
+else
+  CFLAGS="$CFLAGS -DPJ_IS_BIG_ENDIAN=0 -DPJ_IS_LITTLE_ENDIAN=1"
+fi
+
 case $target in
     *mingw* | *cygw* | *win32* | *w32* )
-	$as_echo "#define PJ_WIN32 1" >>confdefs.h
+	cat >>confdefs.h <<\_ACEOF
+#define PJ_WIN32 1
+_ACEOF
 
-	$as_echo "#define PJ_WIN32_WINNT 0x0400" >>confdefs.h
+	cat >>confdefs.h <<\_ACEOF
+#define PJ_WIN32_WINNT 0x0400
+_ACEOF
 
-	$as_echo "#define WIN32_LEAN_AND_MEAN 1" >>confdefs.h
+	cat >>confdefs.h <<\_ACEOF
+#define WIN32_LEAN_AND_MEAN 1
+_ACEOF
 
 	;;
     *darwin*)
-	$as_echo "#define PJ_DARWINOS 1" >>confdefs.h
+	cat >>confdefs.h <<\_ACEOF
+#define PJ_DARWINOS 1
+_ACEOF
 
 	;;
     *linux*)
-	$as_echo "#define PJ_LINUX 1" >>confdefs.h
+	cat >>confdefs.h <<\_ACEOF
+#define PJ_LINUX 1
+_ACEOF
 
 	;;
     *rtems*)
-	$as_echo "#define PJ_RTEMS 1" >>confdefs.h
+	cat >>confdefs.h <<\_ACEOF
+#define PJ_RTEMS 1
+_ACEOF
 
 	;;
     *sunos* | *solaris* )
-	$as_echo "#define PJ_SUNOS 1" >>confdefs.h
+	cat >>confdefs.h <<\_ACEOF
+#define PJ_SUNOS 1
+_ACEOF
 
 	;;
     *)
@@ -4628,27 +4990,36 @@
 
 
 # Check whether --enable-floating-point was given.
-if test "${enable_floating_point+set}" = set; then :
+if test "${enable_floating_point+set}" = set; then
   enableval=$enable_floating_point; if test "$enable_floating_point" = "no"; then
-		$as_echo "#define PJ_HAS_FLOATING_POINT 0" >>confdefs.h
+		cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_FLOATING_POINT 0
+_ACEOF
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if floating point is disabled... yes" >&5
-$as_echo "Checking if floating point is disabled... yes" >&6; }
+		{ echo "$as_me:$LINENO: result: Checking if floating point is disabled... yes" >&5
+echo "${ECHO_T}Checking if floating point is disabled... yes" >&6; }
 	       fi
 else
 
-		$as_echo "#define PJ_HAS_FLOATING_POINT 1" >>confdefs.h
+		cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_FLOATING_POINT 1
+_ACEOF
 
-	        { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if floating point is disabled... no" >&5
-$as_echo "Checking if floating point is disabled... no" >&6; }
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fmod in -lm" >&5
-$as_echo_n "checking for fmod in -lm... " >&6; }
-if test "${ac_cv_lib_m_fmod+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+	        { echo "$as_me:$LINENO: result: Checking if floating point is disabled... no" >&5
+echo "${ECHO_T}Checking if floating point is disabled... no" >&6; }
+
+{ echo "$as_me:$LINENO: checking for fmod in -lm" >&5
+echo $ECHO_N "checking for fmod in -lm... $ECHO_C" >&6; }
+if test "${ac_cv_lib_m_fmod+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lm  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -4666,18 +5037,39 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_m_fmod=yes
 else
-  ac_cv_lib_m_fmod=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_m_fmod=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_fmod" >&5
-$as_echo "$ac_cv_lib_m_fmod" >&6; }
-if test "x$ac_cv_lib_m_fmod" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_m_fmod" >&5
+echo "${ECHO_T}$ac_cv_lib_m_fmod" >&6; }
+if test $ac_cv_lib_m_fmod = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBM 1
 _ACEOF
@@ -4691,23 +5083,401 @@
 
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "arpa/inet.h" "ac_cv_header_arpa_inet_h" "$ac_includes_default"
-if test "x$ac_cv_header_arpa_inet_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_ARPA_INET_H 1" >>confdefs.h
+if test "${ac_cv_header_arpa_inet_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for arpa/inet.h" >&5
+echo $ECHO_N "checking for arpa/inet.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_arpa_inet_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_arpa_inet_h" >&5
+echo "${ECHO_T}$ac_cv_header_arpa_inet_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking arpa/inet.h usability" >&5
+echo $ECHO_N "checking arpa/inet.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <arpa/inet.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking arpa/inet.h presence" >&5
+echo $ECHO_N "checking arpa/inet.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <arpa/inet.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: arpa/inet.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: arpa/inet.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: arpa/inet.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: arpa/inet.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: arpa/inet.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: arpa/inet.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: arpa/inet.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: arpa/inet.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: arpa/inet.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: arpa/inet.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: arpa/inet.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: arpa/inet.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: arpa/inet.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: arpa/inet.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: arpa/inet.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: arpa/inet.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for arpa/inet.h" >&5
+echo $ECHO_N "checking for arpa/inet.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_arpa_inet_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_arpa_inet_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_arpa_inet_h" >&5
+echo "${ECHO_T}$ac_cv_header_arpa_inet_h" >&6; }
+
+fi
+if test $ac_cv_header_arpa_inet_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_ARPA_INET_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "assert.h" "ac_cv_header_assert_h" "$ac_includes_default"
-if test "x$ac_cv_header_assert_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_ASSERT_H 1" >>confdefs.h
+if test "${ac_cv_header_assert_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for assert.h" >&5
+echo $ECHO_N "checking for assert.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_assert_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_assert_h" >&5
+echo "${ECHO_T}$ac_cv_header_assert_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking assert.h usability" >&5
+echo $ECHO_N "checking assert.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <assert.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking assert.h presence" >&5
+echo $ECHO_N "checking assert.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <assert.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: assert.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: assert.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: assert.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: assert.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: assert.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: assert.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: assert.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: assert.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: assert.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: assert.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: assert.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: assert.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: assert.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: assert.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: assert.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: assert.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for assert.h" >&5
+echo $ECHO_N "checking for assert.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_assert_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_assert_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_assert_h" >&5
+echo "${ECHO_T}$ac_cv_header_assert_h" >&6; }
+
+fi
+if test $ac_cv_header_assert_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_ASSERT_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "ctype.h" "ac_cv_header_ctype_h" "$ac_includes_default"
-if test "x$ac_cv_header_ctype_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_CTYPE_H 1" >>confdefs.h
+if test "${ac_cv_header_ctype_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for ctype.h" >&5
+echo $ECHO_N "checking for ctype.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_ctype_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_ctype_h" >&5
+echo "${ECHO_T}$ac_cv_header_ctype_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking ctype.h usability" >&5
+echo $ECHO_N "checking ctype.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <ctype.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking ctype.h presence" >&5
+echo $ECHO_N "checking ctype.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <ctype.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: ctype.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: ctype.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ctype.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: ctype.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: ctype.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: ctype.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ctype.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: ctype.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ctype.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: ctype.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ctype.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: ctype.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ctype.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: ctype.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ctype.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: ctype.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for ctype.h" >&5
+echo $ECHO_N "checking for ctype.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_ctype_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_ctype_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_ctype_h" >&5
+echo "${ECHO_T}$ac_cv_header_ctype_h" >&6; }
+
+fi
+if test $ac_cv_header_ctype_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_CTYPE_H 1
+_ACEOF
 
 fi
 
@@ -4715,13 +5485,141 @@
 
 case $target in
     *mingw* | *cygw* | *win32* | *w32* )
-	$as_echo "#define PJ_HAS_ERRNO_H 0" >>confdefs.h
+	cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_ERRNO_H 0
+_ACEOF
 
 	;;
     *)
-	ac_fn_c_check_header_mongrel "$LINENO" "errno.h" "ac_cv_header_errno_h" "$ac_includes_default"
-if test "x$ac_cv_header_errno_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_ERRNO_H 1" >>confdefs.h
+	if test "${ac_cv_header_errno_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for errno.h" >&5
+echo $ECHO_N "checking for errno.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_errno_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_errno_h" >&5
+echo "${ECHO_T}$ac_cv_header_errno_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking errno.h usability" >&5
+echo $ECHO_N "checking errno.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <errno.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking errno.h presence" >&5
+echo $ECHO_N "checking errno.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <errno.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: errno.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: errno.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: errno.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: errno.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: errno.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: errno.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: errno.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: errno.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: errno.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: errno.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: errno.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: errno.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: errno.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: errno.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: errno.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: errno.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for errno.h" >&5
+echo $ECHO_N "checking for errno.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_errno_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_errno_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_errno_h" >&5
+echo "${ECHO_T}$ac_cv_header_errno_h" >&6; }
+
+fi
+if test $ac_cv_header_errno_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_ERRNO_H 1
+_ACEOF
 
 fi
 
@@ -4729,56 +5627,949 @@
 	;;
 esac
 
-ac_fn_c_check_header_mongrel "$LINENO" "fcntl.h" "ac_cv_header_fcntl_h" "$ac_includes_default"
-if test "x$ac_cv_header_fcntl_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_FCNTL_H 1" >>confdefs.h
+if test "${ac_cv_header_fcntl_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for fcntl.h" >&5
+echo $ECHO_N "checking for fcntl.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_fcntl_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_fcntl_h" >&5
+echo "${ECHO_T}$ac_cv_header_fcntl_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking fcntl.h usability" >&5
+echo $ECHO_N "checking fcntl.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <fcntl.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking fcntl.h presence" >&5
+echo $ECHO_N "checking fcntl.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <fcntl.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: fcntl.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: fcntl.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: fcntl.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: fcntl.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: fcntl.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: fcntl.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: fcntl.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: fcntl.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: fcntl.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: fcntl.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: fcntl.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: fcntl.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: fcntl.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: fcntl.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: fcntl.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: fcntl.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for fcntl.h" >&5
+echo $ECHO_N "checking for fcntl.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_fcntl_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_fcntl_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_fcntl_h" >&5
+echo "${ECHO_T}$ac_cv_header_fcntl_h" >&6; }
+
+fi
+if test $ac_cv_header_fcntl_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_FCNTL_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "linux/socket.h" "ac_cv_header_linux_socket_h" "$ac_includes_default"
-if test "x$ac_cv_header_linux_socket_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_LINUX_SOCKET_H 1" >>confdefs.h
+if test "${ac_cv_header_linux_socket_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for linux/socket.h" >&5
+echo $ECHO_N "checking for linux/socket.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_linux_socket_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_linux_socket_h" >&5
+echo "${ECHO_T}$ac_cv_header_linux_socket_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking linux/socket.h usability" >&5
+echo $ECHO_N "checking linux/socket.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <linux/socket.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking linux/socket.h presence" >&5
+echo $ECHO_N "checking linux/socket.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <linux/socket.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: linux/socket.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: linux/socket.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/socket.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: linux/socket.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: linux/socket.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: linux/socket.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/socket.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: linux/socket.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/socket.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: linux/socket.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/socket.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: linux/socket.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/socket.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: linux/socket.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/socket.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: linux/socket.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for linux/socket.h" >&5
+echo $ECHO_N "checking for linux/socket.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_linux_socket_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_linux_socket_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_linux_socket_h" >&5
+echo "${ECHO_T}$ac_cv_header_linux_socket_h" >&6; }
+
+fi
+if test $ac_cv_header_linux_socket_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_LINUX_SOCKET_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "limits.h" "ac_cv_header_limits_h" "$ac_includes_default"
-if test "x$ac_cv_header_limits_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_LIMITS_H 1" >>confdefs.h
+if test "${ac_cv_header_limits_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for limits.h" >&5
+echo $ECHO_N "checking for limits.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_limits_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_limits_h" >&5
+echo "${ECHO_T}$ac_cv_header_limits_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking limits.h usability" >&5
+echo $ECHO_N "checking limits.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <limits.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking limits.h presence" >&5
+echo $ECHO_N "checking limits.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <limits.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: limits.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: limits.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: limits.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: limits.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: limits.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: limits.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: limits.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: limits.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: limits.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: limits.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: limits.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: limits.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: limits.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: limits.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: limits.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: limits.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for limits.h" >&5
+echo $ECHO_N "checking for limits.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_limits_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_limits_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_limits_h" >&5
+echo "${ECHO_T}$ac_cv_header_limits_h" >&6; }
+
+fi
+if test $ac_cv_header_limits_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_LIMITS_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "malloc.h" "ac_cv_header_malloc_h" "$ac_includes_default"
-if test "x$ac_cv_header_malloc_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_MALLOC_H 1" >>confdefs.h
+if test "${ac_cv_header_malloc_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for malloc.h" >&5
+echo $ECHO_N "checking for malloc.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_malloc_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_malloc_h" >&5
+echo "${ECHO_T}$ac_cv_header_malloc_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking malloc.h usability" >&5
+echo $ECHO_N "checking malloc.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <malloc.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking malloc.h presence" >&5
+echo $ECHO_N "checking malloc.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <malloc.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: malloc.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: malloc.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: malloc.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: malloc.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: malloc.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: malloc.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: malloc.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: malloc.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: malloc.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: malloc.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: malloc.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: malloc.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: malloc.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: malloc.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: malloc.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: malloc.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for malloc.h" >&5
+echo $ECHO_N "checking for malloc.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_malloc_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_malloc_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_malloc_h" >&5
+echo "${ECHO_T}$ac_cv_header_malloc_h" >&6; }
+
+fi
+if test $ac_cv_header_malloc_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_MALLOC_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "netdb.h" "ac_cv_header_netdb_h" "$ac_includes_default"
-if test "x$ac_cv_header_netdb_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_NETDB_H 1" >>confdefs.h
+if test "${ac_cv_header_netdb_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for netdb.h" >&5
+echo $ECHO_N "checking for netdb.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netdb_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netdb_h" >&5
+echo "${ECHO_T}$ac_cv_header_netdb_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking netdb.h usability" >&5
+echo $ECHO_N "checking netdb.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <netdb.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking netdb.h presence" >&5
+echo $ECHO_N "checking netdb.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <netdb.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: netdb.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: netdb.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netdb.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: netdb.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: netdb.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: netdb.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netdb.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: netdb.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netdb.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: netdb.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netdb.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: netdb.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netdb.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: netdb.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netdb.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: netdb.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for netdb.h" >&5
+echo $ECHO_N "checking for netdb.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netdb_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_netdb_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netdb_h" >&5
+echo "${ECHO_T}$ac_cv_header_netdb_h" >&6; }
+
+fi
+if test $ac_cv_header_netdb_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_NETDB_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "netinet/in_systm.h" "ac_cv_header_netinet_in_systm_h" "$ac_includes_default"
-if test "x$ac_cv_header_netinet_in_systm_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_NETINET_IN_SYSTM_H 1" >>confdefs.h
+if test "${ac_cv_header_netinet_in_systm_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for netinet/in_systm.h" >&5
+echo $ECHO_N "checking for netinet/in_systm.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netinet_in_systm_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netinet_in_systm_h" >&5
+echo "${ECHO_T}$ac_cv_header_netinet_in_systm_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking netinet/in_systm.h usability" >&5
+echo $ECHO_N "checking netinet/in_systm.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <netinet/in_systm.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking netinet/in_systm.h presence" >&5
+echo $ECHO_N "checking netinet/in_systm.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <netinet/in_systm.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: netinet/in_systm.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: netinet/in_systm.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in_systm.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: netinet/in_systm.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: netinet/in_systm.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: netinet/in_systm.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in_systm.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: netinet/in_systm.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in_systm.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: netinet/in_systm.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in_systm.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: netinet/in_systm.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in_systm.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: netinet/in_systm.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in_systm.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: netinet/in_systm.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for netinet/in_systm.h" >&5
+echo $ECHO_N "checking for netinet/in_systm.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netinet_in_systm_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_netinet_in_systm_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netinet_in_systm_h" >&5
+echo "${ECHO_T}$ac_cv_header_netinet_in_systm_h" >&6; }
+
+fi
+if test $ac_cv_header_netinet_in_systm_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_NETINET_IN_SYSTM_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "netinet/in.h" "ac_cv_header_netinet_in_h" "$ac_includes_default"
-if test "x$ac_cv_header_netinet_in_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_NETINET_IN_H 1" >>confdefs.h
+if test "${ac_cv_header_netinet_in_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for netinet/in.h" >&5
+echo $ECHO_N "checking for netinet/in.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netinet_in_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netinet_in_h" >&5
+echo "${ECHO_T}$ac_cv_header_netinet_in_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking netinet/in.h usability" >&5
+echo $ECHO_N "checking netinet/in.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <netinet/in.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking netinet/in.h presence" >&5
+echo $ECHO_N "checking netinet/in.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <netinet/in.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: netinet/in.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: netinet/in.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: netinet/in.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: netinet/in.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: netinet/in.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: netinet/in.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: netinet/in.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: netinet/in.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: netinet/in.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: netinet/in.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for netinet/in.h" >&5
+echo $ECHO_N "checking for netinet/in.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netinet_in_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_netinet_in_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netinet_in_h" >&5
+echo "${ECHO_T}$ac_cv_header_netinet_in_h" >&6; }
+
+fi
+if test $ac_cv_header_netinet_in_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_NETINET_IN_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_compile "$LINENO" "netinet/ip.h" "ac_cv_header_netinet_ip_h" "#if PJ_HAS_SYS_TYPES_H
+{ echo "$as_me:$LINENO: checking for netinet/ip.h" >&5
+echo $ECHO_N "checking for netinet/ip.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netinet_ip_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#if PJ_HAS_SYS_TYPES_H
           	  #	include <sys/types.h>
           	  #endif
 		  #if PJ_HAS_NETINET_IN_SYSTM_H
@@ -4788,205 +6579,3521 @@
           	  #	include <netinet/in.h>
           	  #endif
 
-"
-if test "x$ac_cv_header_netinet_ip_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_NETINET_IP_H 1" >>confdefs.h
+
+#include <netinet/ip.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_header_netinet_ip_h=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_header_netinet_ip_h=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netinet_ip_h" >&5
+echo "${ECHO_T}$ac_cv_header_netinet_ip_h" >&6; }
+if test $ac_cv_header_netinet_ip_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_NETINET_IP_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "netinet/tcp.h" "ac_cv_header_netinet_tcp_h" "$ac_includes_default"
-if test "x$ac_cv_header_netinet_tcp_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_NETINET_TCP_H 1" >>confdefs.h
+if test "${ac_cv_header_netinet_tcp_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for netinet/tcp.h" >&5
+echo $ECHO_N "checking for netinet/tcp.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netinet_tcp_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netinet_tcp_h" >&5
+echo "${ECHO_T}$ac_cv_header_netinet_tcp_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking netinet/tcp.h usability" >&5
+echo $ECHO_N "checking netinet/tcp.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <netinet/tcp.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking netinet/tcp.h presence" >&5
+echo $ECHO_N "checking netinet/tcp.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <netinet/tcp.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: netinet/tcp.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: netinet/tcp.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/tcp.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: netinet/tcp.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: netinet/tcp.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: netinet/tcp.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/tcp.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: netinet/tcp.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/tcp.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: netinet/tcp.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/tcp.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: netinet/tcp.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/tcp.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: netinet/tcp.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/tcp.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: netinet/tcp.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for netinet/tcp.h" >&5
+echo $ECHO_N "checking for netinet/tcp.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netinet_tcp_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_netinet_tcp_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netinet_tcp_h" >&5
+echo "${ECHO_T}$ac_cv_header_netinet_tcp_h" >&6; }
+
+fi
+if test $ac_cv_header_netinet_tcp_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_NETINET_TCP_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "ifaddrs.h" "ac_cv_header_ifaddrs_h" "$ac_includes_default"
-if test "x$ac_cv_header_ifaddrs_h" = x""yes; then :
-  ac_fn_c_check_func "$LINENO" "getifaddrs" "ac_cv_func_getifaddrs"
-if test "x$ac_cv_func_getifaddrs" = x""yes; then :
-  $as_echo "#define PJ_HAS_IFADDRS_H 1" >>confdefs.h
+if test "${ac_cv_header_ifaddrs_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for ifaddrs.h" >&5
+echo $ECHO_N "checking for ifaddrs.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_ifaddrs_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_ifaddrs_h" >&5
+echo "${ECHO_T}$ac_cv_header_ifaddrs_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking ifaddrs.h usability" >&5
+echo $ECHO_N "checking ifaddrs.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <ifaddrs.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking ifaddrs.h presence" >&5
+echo $ECHO_N "checking ifaddrs.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <ifaddrs.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: ifaddrs.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: ifaddrs.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ifaddrs.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: ifaddrs.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: ifaddrs.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: ifaddrs.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ifaddrs.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: ifaddrs.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ifaddrs.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: ifaddrs.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ifaddrs.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: ifaddrs.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ifaddrs.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: ifaddrs.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ifaddrs.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: ifaddrs.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for ifaddrs.h" >&5
+echo $ECHO_N "checking for ifaddrs.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_ifaddrs_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_ifaddrs_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_ifaddrs_h" >&5
+echo "${ECHO_T}$ac_cv_header_ifaddrs_h" >&6; }
+
+fi
+if test $ac_cv_header_ifaddrs_h = yes; then
+  { echo "$as_me:$LINENO: checking for getifaddrs" >&5
+echo $ECHO_N "checking for getifaddrs... $ECHO_C" >&6; }
+if test "${ac_cv_func_getifaddrs+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define getifaddrs to an innocuous variant, in case <limits.h> declares getifaddrs.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define getifaddrs innocuous_getifaddrs
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char getifaddrs (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef getifaddrs
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char getifaddrs ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_getifaddrs || defined __stub___getifaddrs
+choke me
+#endif
+
+int
+main ()
+{
+return getifaddrs ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  ac_cv_func_getifaddrs=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_func_getifaddrs=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_func_getifaddrs" >&5
+echo "${ECHO_T}$ac_cv_func_getifaddrs" >&6; }
+if test $ac_cv_func_getifaddrs = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_IFADDRS_H 1
+_ACEOF
 
 fi
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "semaphore.h" "ac_cv_header_semaphore_h" "$ac_includes_default"
-if test "x$ac_cv_header_semaphore_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SEMAPHORE_H 1" >>confdefs.h
+if test "${ac_cv_header_semaphore_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for semaphore.h" >&5
+echo $ECHO_N "checking for semaphore.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_semaphore_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_semaphore_h" >&5
+echo "${ECHO_T}$ac_cv_header_semaphore_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking semaphore.h usability" >&5
+echo $ECHO_N "checking semaphore.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <semaphore.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking semaphore.h presence" >&5
+echo $ECHO_N "checking semaphore.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <semaphore.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: semaphore.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: semaphore.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: semaphore.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: semaphore.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: semaphore.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: semaphore.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: semaphore.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: semaphore.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: semaphore.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: semaphore.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: semaphore.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: semaphore.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: semaphore.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: semaphore.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: semaphore.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: semaphore.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for semaphore.h" >&5
+echo $ECHO_N "checking for semaphore.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_semaphore_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_semaphore_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_semaphore_h" >&5
+echo "${ECHO_T}$ac_cv_header_semaphore_h" >&6; }
+
+fi
+if test $ac_cv_header_semaphore_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SEMAPHORE_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "setjmp.h" "ac_cv_header_setjmp_h" "$ac_includes_default"
-if test "x$ac_cv_header_setjmp_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SETJMP_H 1" >>confdefs.h
+if test "${ac_cv_header_setjmp_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for setjmp.h" >&5
+echo $ECHO_N "checking for setjmp.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_setjmp_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_setjmp_h" >&5
+echo "${ECHO_T}$ac_cv_header_setjmp_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking setjmp.h usability" >&5
+echo $ECHO_N "checking setjmp.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <setjmp.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking setjmp.h presence" >&5
+echo $ECHO_N "checking setjmp.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <setjmp.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: setjmp.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: setjmp.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: setjmp.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: setjmp.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: setjmp.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: setjmp.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: setjmp.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: setjmp.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: setjmp.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: setjmp.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: setjmp.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: setjmp.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: setjmp.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: setjmp.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: setjmp.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: setjmp.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for setjmp.h" >&5
+echo $ECHO_N "checking for setjmp.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_setjmp_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_setjmp_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_setjmp_h" >&5
+echo "${ECHO_T}$ac_cv_header_setjmp_h" >&6; }
+
+fi
+if test $ac_cv_header_setjmp_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SETJMP_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "stdarg.h" "ac_cv_header_stdarg_h" "$ac_includes_default"
-if test "x$ac_cv_header_stdarg_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_STDARG_H 1" >>confdefs.h
+if test "${ac_cv_header_stdarg_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for stdarg.h" >&5
+echo $ECHO_N "checking for stdarg.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdarg_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdarg_h" >&5
+echo "${ECHO_T}$ac_cv_header_stdarg_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking stdarg.h usability" >&5
+echo $ECHO_N "checking stdarg.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <stdarg.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking stdarg.h presence" >&5
+echo $ECHO_N "checking stdarg.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdarg.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: stdarg.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: stdarg.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdarg.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: stdarg.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: stdarg.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: stdarg.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdarg.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: stdarg.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdarg.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: stdarg.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdarg.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: stdarg.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdarg.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: stdarg.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdarg.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: stdarg.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for stdarg.h" >&5
+echo $ECHO_N "checking for stdarg.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdarg_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_stdarg_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdarg_h" >&5
+echo "${ECHO_T}$ac_cv_header_stdarg_h" >&6; }
+
+fi
+if test $ac_cv_header_stdarg_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_STDARG_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "stddef.h" "ac_cv_header_stddef_h" "$ac_includes_default"
-if test "x$ac_cv_header_stddef_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_STDDEF_H 1" >>confdefs.h
+if test "${ac_cv_header_stddef_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for stddef.h" >&5
+echo $ECHO_N "checking for stddef.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stddef_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stddef_h" >&5
+echo "${ECHO_T}$ac_cv_header_stddef_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking stddef.h usability" >&5
+echo $ECHO_N "checking stddef.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <stddef.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking stddef.h presence" >&5
+echo $ECHO_N "checking stddef.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stddef.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: stddef.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: stddef.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stddef.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: stddef.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: stddef.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: stddef.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stddef.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: stddef.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stddef.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: stddef.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stddef.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: stddef.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stddef.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: stddef.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stddef.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: stddef.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for stddef.h" >&5
+echo $ECHO_N "checking for stddef.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stddef_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_stddef_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stddef_h" >&5
+echo "${ECHO_T}$ac_cv_header_stddef_h" >&6; }
+
+fi
+if test $ac_cv_header_stddef_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_STDDEF_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "stdio.h" "ac_cv_header_stdio_h" "$ac_includes_default"
-if test "x$ac_cv_header_stdio_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_STDIO_H 1" >>confdefs.h
+if test "${ac_cv_header_stdio_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for stdio.h" >&5
+echo $ECHO_N "checking for stdio.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdio_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdio_h" >&5
+echo "${ECHO_T}$ac_cv_header_stdio_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking stdio.h usability" >&5
+echo $ECHO_N "checking stdio.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <stdio.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking stdio.h presence" >&5
+echo $ECHO_N "checking stdio.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdio.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: stdio.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: stdio.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdio.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: stdio.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: stdio.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: stdio.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdio.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: stdio.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdio.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: stdio.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdio.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: stdio.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdio.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: stdio.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdio.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: stdio.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for stdio.h" >&5
+echo $ECHO_N "checking for stdio.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdio_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_stdio_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdio_h" >&5
+echo "${ECHO_T}$ac_cv_header_stdio_h" >&6; }
+
+fi
+if test $ac_cv_header_stdio_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_STDIO_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "stdint.h" "ac_cv_header_stdint_h" "$ac_includes_default"
-if test "x$ac_cv_header_stdint_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_STDINT_H 1" >>confdefs.h
+if test "${ac_cv_header_stdint_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for stdint.h" >&5
+echo $ECHO_N "checking for stdint.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdint_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdint_h" >&5
+echo "${ECHO_T}$ac_cv_header_stdint_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking stdint.h usability" >&5
+echo $ECHO_N "checking stdint.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <stdint.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking stdint.h presence" >&5
+echo $ECHO_N "checking stdint.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdint.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: stdint.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: stdint.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdint.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: stdint.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: stdint.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: stdint.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdint.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: stdint.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdint.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: stdint.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdint.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: stdint.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdint.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: stdint.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdint.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: stdint.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for stdint.h" >&5
+echo $ECHO_N "checking for stdint.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdint_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_stdint_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdint_h" >&5
+echo "${ECHO_T}$ac_cv_header_stdint_h" >&6; }
+
+fi
+if test $ac_cv_header_stdint_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_STDINT_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "stdlib.h" "ac_cv_header_stdlib_h" "$ac_includes_default"
-if test "x$ac_cv_header_stdlib_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_STDLIB_H 1" >>confdefs.h
+if test "${ac_cv_header_stdlib_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for stdlib.h" >&5
+echo $ECHO_N "checking for stdlib.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdlib_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdlib_h" >&5
+echo "${ECHO_T}$ac_cv_header_stdlib_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking stdlib.h usability" >&5
+echo $ECHO_N "checking stdlib.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <stdlib.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking stdlib.h presence" >&5
+echo $ECHO_N "checking stdlib.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdlib.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: stdlib.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: stdlib.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdlib.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: stdlib.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: stdlib.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: stdlib.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdlib.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: stdlib.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdlib.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: stdlib.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdlib.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: stdlib.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdlib.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: stdlib.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdlib.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: stdlib.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for stdlib.h" >&5
+echo $ECHO_N "checking for stdlib.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdlib_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_stdlib_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdlib_h" >&5
+echo "${ECHO_T}$ac_cv_header_stdlib_h" >&6; }
+
+fi
+if test $ac_cv_header_stdlib_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_STDLIB_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "string.h" "ac_cv_header_string_h" "$ac_includes_default"
-if test "x$ac_cv_header_string_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_STRING_H 1" >>confdefs.h
+if test "${ac_cv_header_string_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for string.h" >&5
+echo $ECHO_N "checking for string.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_string_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_string_h" >&5
+echo "${ECHO_T}$ac_cv_header_string_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking string.h usability" >&5
+echo $ECHO_N "checking string.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <string.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking string.h presence" >&5
+echo $ECHO_N "checking string.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <string.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: string.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: string.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: string.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: string.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: string.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: string.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: string.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: string.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: string.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: string.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: string.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: string.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: string.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: string.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: string.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: string.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for string.h" >&5
+echo $ECHO_N "checking for string.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_string_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_string_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_string_h" >&5
+echo "${ECHO_T}$ac_cv_header_string_h" >&6; }
+
+fi
+if test $ac_cv_header_string_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_STRING_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "sys/ioctl.h" "ac_cv_header_sys_ioctl_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_ioctl_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SYS_IOCTL_H 1" >>confdefs.h
+if test "${ac_cv_header_sys_ioctl_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/ioctl.h" >&5
+echo $ECHO_N "checking for sys/ioctl.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_ioctl_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_ioctl_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_ioctl_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/ioctl.h usability" >&5
+echo $ECHO_N "checking sys/ioctl.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/ioctl.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/ioctl.h presence" >&5
+echo $ECHO_N "checking sys/ioctl.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/ioctl.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/ioctl.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/ioctl.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/ioctl.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/ioctl.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/ioctl.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/ioctl.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/ioctl.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/ioctl.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/ioctl.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/ioctl.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/ioctl.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/ioctl.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/ioctl.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/ioctl.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/ioctl.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/ioctl.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/ioctl.h" >&5
+echo $ECHO_N "checking for sys/ioctl.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_ioctl_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_ioctl_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_ioctl_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_ioctl_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_ioctl_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SYS_IOCTL_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "sys/select.h" "ac_cv_header_sys_select_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_select_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SYS_SELECT_H 1" >>confdefs.h
+if test "${ac_cv_header_sys_select_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/select.h" >&5
+echo $ECHO_N "checking for sys/select.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_select_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_select_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_select_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/select.h usability" >&5
+echo $ECHO_N "checking sys/select.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/select.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/select.h presence" >&5
+echo $ECHO_N "checking sys/select.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/select.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/select.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/select.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/select.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/select.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/select.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/select.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/select.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/select.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/select.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/select.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/select.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/select.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/select.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/select.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/select.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/select.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/select.h" >&5
+echo $ECHO_N "checking for sys/select.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_select_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_select_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_select_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_select_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_select_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SYS_SELECT_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "sys/socket.h" "ac_cv_header_sys_socket_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_socket_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SYS_SOCKET_H 1" >>confdefs.h
+if test "${ac_cv_header_sys_socket_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/socket.h" >&5
+echo $ECHO_N "checking for sys/socket.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_socket_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_socket_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_socket_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/socket.h usability" >&5
+echo $ECHO_N "checking sys/socket.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/socket.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/socket.h presence" >&5
+echo $ECHO_N "checking sys/socket.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/socket.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/socket.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/socket.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/socket.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/socket.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/socket.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/socket.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/socket.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/socket.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/socket.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/socket.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/socket.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/socket.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/socket.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/socket.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/socket.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/socket.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/socket.h" >&5
+echo $ECHO_N "checking for sys/socket.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_socket_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_socket_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_socket_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_socket_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_socket_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SYS_SOCKET_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "sys/time.h" "ac_cv_header_sys_time_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_time_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SYS_TIME_H 1" >>confdefs.h
+if test "${ac_cv_header_sys_time_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/time.h" >&5
+echo $ECHO_N "checking for sys/time.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_time_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_time_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_time_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/time.h usability" >&5
+echo $ECHO_N "checking sys/time.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/time.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/time.h presence" >&5
+echo $ECHO_N "checking sys/time.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/time.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/time.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/time.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/time.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/time.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/time.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/time.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/time.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/time.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/time.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/time.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/time.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/time.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/time.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/time.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/time.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/time.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/time.h" >&5
+echo $ECHO_N "checking for sys/time.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_time_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_time_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_time_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_time_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_time_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SYS_TIME_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "sys/timeb.h" "ac_cv_header_sys_timeb_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_timeb_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SYS_TIMEB_H 1" >>confdefs.h
+if test "${ac_cv_header_sys_timeb_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/timeb.h" >&5
+echo $ECHO_N "checking for sys/timeb.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_timeb_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_timeb_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_timeb_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/timeb.h usability" >&5
+echo $ECHO_N "checking sys/timeb.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/timeb.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/timeb.h presence" >&5
+echo $ECHO_N "checking sys/timeb.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/timeb.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/timeb.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/timeb.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/timeb.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/timeb.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/timeb.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/timeb.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/timeb.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/timeb.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/timeb.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/timeb.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/timeb.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/timeb.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/timeb.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/timeb.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/timeb.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/timeb.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/timeb.h" >&5
+echo $ECHO_N "checking for sys/timeb.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_timeb_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_timeb_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_timeb_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_timeb_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_timeb_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SYS_TIMEB_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "sys/types.h" "ac_cv_header_sys_types_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_types_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SYS_TYPES_H 1" >>confdefs.h
+if test "${ac_cv_header_sys_types_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/types.h" >&5
+echo $ECHO_N "checking for sys/types.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_types_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_types_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_types_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/types.h usability" >&5
+echo $ECHO_N "checking sys/types.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/types.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/types.h presence" >&5
+echo $ECHO_N "checking sys/types.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/types.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/types.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/types.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/types.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/types.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/types.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/types.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/types.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/types.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/types.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/types.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/types.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/types.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/types.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/types.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/types.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/types.h" >&5
+echo $ECHO_N "checking for sys/types.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_types_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_types_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_types_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_types_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_types_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SYS_TYPES_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "sys/filio.h" "ac_cv_header_sys_filio_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_filio_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SYS_FILIO_H 1" >>confdefs.h
+if test "${ac_cv_header_sys_filio_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/filio.h" >&5
+echo $ECHO_N "checking for sys/filio.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_filio_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_filio_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_filio_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/filio.h usability" >&5
+echo $ECHO_N "checking sys/filio.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/filio.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/filio.h presence" >&5
+echo $ECHO_N "checking sys/filio.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/filio.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/filio.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/filio.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/filio.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/filio.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/filio.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/filio.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/filio.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/filio.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/filio.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/filio.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/filio.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/filio.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/filio.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/filio.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/filio.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/filio.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/filio.h" >&5
+echo $ECHO_N "checking for sys/filio.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_filio_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_filio_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_filio_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_filio_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_filio_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SYS_FILIO_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "sys/sockio.h" "ac_cv_header_sys_sockio_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_sockio_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SYS_SOCKIO_H 1" >>confdefs.h
+if test "${ac_cv_header_sys_sockio_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/sockio.h" >&5
+echo $ECHO_N "checking for sys/sockio.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_sockio_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_sockio_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_sockio_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/sockio.h usability" >&5
+echo $ECHO_N "checking sys/sockio.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/sockio.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/sockio.h presence" >&5
+echo $ECHO_N "checking sys/sockio.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/sockio.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/sockio.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/sockio.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/sockio.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/sockio.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/sockio.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/sockio.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/sockio.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/sockio.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/sockio.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/sockio.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/sockio.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/sockio.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/sockio.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/sockio.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/sockio.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/sockio.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/sockio.h" >&5
+echo $ECHO_N "checking for sys/sockio.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_sockio_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_sockio_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_sockio_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_sockio_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_sockio_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SYS_SOCKIO_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "sys/utsname.h" "ac_cv_header_sys_utsname_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_utsname_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SYS_UTSNAME_H 1" >>confdefs.h
+if test "${ac_cv_header_sys_utsname_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/utsname.h" >&5
+echo $ECHO_N "checking for sys/utsname.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_utsname_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_utsname_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_utsname_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/utsname.h usability" >&5
+echo $ECHO_N "checking sys/utsname.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/utsname.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/utsname.h presence" >&5
+echo $ECHO_N "checking sys/utsname.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/utsname.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/utsname.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/utsname.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/utsname.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/utsname.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/utsname.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/utsname.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/utsname.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/utsname.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/utsname.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/utsname.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/utsname.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/utsname.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/utsname.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/utsname.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/utsname.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/utsname.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/utsname.h" >&5
+echo $ECHO_N "checking for sys/utsname.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_utsname_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_utsname_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_utsname_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_utsname_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_utsname_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SYS_UTSNAME_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "time.h" "ac_cv_header_time_h" "$ac_includes_default"
-if test "x$ac_cv_header_time_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_TIME_H 1" >>confdefs.h
+if test "${ac_cv_header_time_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for time.h" >&5
+echo $ECHO_N "checking for time.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_time_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_time_h" >&5
+echo "${ECHO_T}$ac_cv_header_time_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking time.h usability" >&5
+echo $ECHO_N "checking time.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <time.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking time.h presence" >&5
+echo $ECHO_N "checking time.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <time.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: time.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: time.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: time.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: time.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: time.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: time.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: time.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: time.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: time.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: time.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: time.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: time.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: time.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: time.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: time.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: time.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for time.h" >&5
+echo $ECHO_N "checking for time.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_time_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_time_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_time_h" >&5
+echo "${ECHO_T}$ac_cv_header_time_h" >&6; }
+
+fi
+if test $ac_cv_header_time_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_TIME_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default"
-if test "x$ac_cv_header_unistd_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_UNISTD_H 1" >>confdefs.h
+if test "${ac_cv_header_unistd_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for unistd.h" >&5
+echo $ECHO_N "checking for unistd.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_unistd_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_unistd_h" >&5
+echo "${ECHO_T}$ac_cv_header_unistd_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking unistd.h usability" >&5
+echo $ECHO_N "checking unistd.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <unistd.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking unistd.h presence" >&5
+echo $ECHO_N "checking unistd.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <unistd.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: unistd.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: unistd.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: unistd.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: unistd.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: unistd.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: unistd.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: unistd.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: unistd.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: unistd.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: unistd.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: unistd.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: unistd.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: unistd.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: unistd.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: unistd.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: unistd.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for unistd.h" >&5
+echo $ECHO_N "checking for unistd.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_unistd_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_unistd_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_unistd_h" >&5
+echo "${ECHO_T}$ac_cv_header_unistd_h" >&6; }
+
+fi
+if test $ac_cv_header_unistd_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_UNISTD_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "winsock.h" "ac_cv_header_winsock_h" "$ac_includes_default"
-if test "x$ac_cv_header_winsock_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_WINSOCK_H 1" >>confdefs.h
+if test "${ac_cv_header_winsock_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for winsock.h" >&5
+echo $ECHO_N "checking for winsock.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_winsock_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_winsock_h" >&5
+echo "${ECHO_T}$ac_cv_header_winsock_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking winsock.h usability" >&5
+echo $ECHO_N "checking winsock.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <winsock.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking winsock.h presence" >&5
+echo $ECHO_N "checking winsock.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <winsock.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: winsock.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: winsock.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: winsock.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: winsock.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: winsock.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: winsock.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: winsock.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: winsock.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: winsock.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: winsock.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for winsock.h" >&5
+echo $ECHO_N "checking for winsock.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_winsock_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_winsock_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_winsock_h" >&5
+echo "${ECHO_T}$ac_cv_header_winsock_h" >&6; }
+
+fi
+if test $ac_cv_header_winsock_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_WINSOCK_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "winsock2.h" "ac_cv_header_winsock2_h" "$ac_includes_default"
-if test "x$ac_cv_header_winsock2_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_WINSOCK2_H 1" >>confdefs.h
+if test "${ac_cv_header_winsock2_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for winsock2.h" >&5
+echo $ECHO_N "checking for winsock2.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_winsock2_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_winsock2_h" >&5
+echo "${ECHO_T}$ac_cv_header_winsock2_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking winsock2.h usability" >&5
+echo $ECHO_N "checking winsock2.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <winsock2.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking winsock2.h presence" >&5
+echo $ECHO_N "checking winsock2.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <winsock2.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: winsock2.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: winsock2.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock2.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: winsock2.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: winsock2.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: winsock2.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock2.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: winsock2.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock2.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: winsock2.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock2.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: winsock2.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock2.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: winsock2.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock2.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: winsock2.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for winsock2.h" >&5
+echo $ECHO_N "checking for winsock2.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_winsock2_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_winsock2_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_winsock2_h" >&5
+echo "${ECHO_T}$ac_cv_header_winsock2_h" >&6; }
+
+fi
+if test $ac_cv_header_winsock2_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_WINSOCK2_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_compile "$LINENO" "mswsock.h" "ac_cv_header_mswsock_h" "#if PJ_HAS_WINSOCK2_H
+{ echo "$as_me:$LINENO: checking for mswsock.h" >&5
+echo $ECHO_N "checking for mswsock.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_mswsock_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#if PJ_HAS_WINSOCK2_H
           	  #	include <winsock2.h>
 		  #elif PJ_HAS_WINSOCK_H
           	  #	include <winsock.h>
           	  #endif
 
-"
-if test "x$ac_cv_header_mswsock_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_MSWSOCK_H 1" >>confdefs.h
+
+#include <mswsock.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_header_mswsock_h=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_header_mswsock_h=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_mswsock_h" >&5
+echo "${ECHO_T}$ac_cv_header_mswsock_h" >&6; }
+if test $ac_cv_header_mswsock_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_MSWSOCK_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "ws2tcpip.h" "ac_cv_header_ws2tcpip_h" "$ac_includes_default"
-if test "x$ac_cv_header_ws2tcpip_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_WS2TCPIP_H 1" >>confdefs.h
+if test "${ac_cv_header_ws2tcpip_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for ws2tcpip.h" >&5
+echo $ECHO_N "checking for ws2tcpip.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_ws2tcpip_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_ws2tcpip_h" >&5
+echo "${ECHO_T}$ac_cv_header_ws2tcpip_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking ws2tcpip.h usability" >&5
+echo $ECHO_N "checking ws2tcpip.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <ws2tcpip.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking ws2tcpip.h presence" >&5
+echo $ECHO_N "checking ws2tcpip.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <ws2tcpip.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: ws2tcpip.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: ws2tcpip.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ws2tcpip.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: ws2tcpip.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: ws2tcpip.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: ws2tcpip.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ws2tcpip.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: ws2tcpip.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ws2tcpip.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: ws2tcpip.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ws2tcpip.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: ws2tcpip.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ws2tcpip.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: ws2tcpip.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ws2tcpip.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: ws2tcpip.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for ws2tcpip.h" >&5
+echo $ECHO_N "checking for ws2tcpip.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_ws2tcpip_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_ws2tcpip_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_ws2tcpip_h" >&5
+echo "${ECHO_T}$ac_cv_header_ws2tcpip_h" >&6; }
+
+fi
+if test $ac_cv_header_ws2tcpip_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_WS2TCPIP_H 1
+_ACEOF
 
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "uuid/uuid.h" "ac_cv_header_uuid_uuid_h" "$ac_includes_default"
-if test "x$ac_cv_header_uuid_uuid_h" = x""yes; then :
+if test "${ac_cv_header_uuid_uuid_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for uuid/uuid.h" >&5
+echo $ECHO_N "checking for uuid/uuid.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_uuid_uuid_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_uuid_uuid_h" >&5
+echo "${ECHO_T}$ac_cv_header_uuid_uuid_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking uuid/uuid.h usability" >&5
+echo $ECHO_N "checking uuid/uuid.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <uuid/uuid.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking uuid/uuid.h presence" >&5
+echo $ECHO_N "checking uuid/uuid.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <uuid/uuid.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: uuid/uuid.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: uuid/uuid.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: uuid/uuid.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: uuid/uuid.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: uuid/uuid.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: uuid/uuid.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: uuid/uuid.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: uuid/uuid.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: uuid/uuid.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: uuid/uuid.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: uuid/uuid.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: uuid/uuid.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: uuid/uuid.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: uuid/uuid.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: uuid/uuid.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: uuid/uuid.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for uuid/uuid.h" >&5
+echo $ECHO_N "checking for uuid/uuid.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_uuid_uuid_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_uuid_uuid_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_uuid_uuid_h" >&5
+echo "${ECHO_T}$ac_cv_header_uuid_uuid_h" >&6; }
+
+fi
+if test $ac_cv_header_uuid_uuid_h = yes; then
   ac_has_uuid_h=1
 fi
 
 
-ac_fn_c_check_header_compile "$LINENO" "net/if.h" "ac_cv_header_net_if_h" "#if PJ_HAS_SYS_TYPES_H
+{ echo "$as_me:$LINENO: checking for net/if.h" >&5
+echo $ECHO_N "checking for net/if.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_net_if_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#if PJ_HAS_SYS_TYPES_H
           	  #	include <sys/types.h>
           	  #endif
 		  #if PJ_HAS_SYS_SOCKET_H
@@ -4994,48 +10101,95 @@
           	  #	include <sys/socket.h>
           	  #endif
 
-"
-if test "x$ac_cv_header_net_if_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_NET_IF_H 1" >>confdefs.h
+
+#include <net/if.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_header_net_if_h=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_header_net_if_h=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_net_if_h" >&5
+echo "${ECHO_T}$ac_cv_header_net_if_h" >&6; }
+if test $ac_cv_header_net_if_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_NET_IF_H 1
+_ACEOF
 
 fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Setting PJ_OS_NAME to $target" >&5
-$as_echo "Setting PJ_OS_NAME to $target" >&6; }
+{ echo "$as_me:$LINENO: result: Setting PJ_OS_NAME to $target" >&5
+echo "${ECHO_T}Setting PJ_OS_NAME to $target" >&6; }
 cat >>confdefs.h <<_ACEOF
 #define PJ_OS_NAME "$target"
 _ACEOF
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Setting PJ_HAS_ERRNO_VAR to 1" >&5
-$as_echo "Setting PJ_HAS_ERRNO_VAR to 1" >&6; }
-$as_echo "#define PJ_HAS_ERRNO_VAR 1" >>confdefs.h
+{ echo "$as_me:$LINENO: result: Setting PJ_HAS_ERRNO_VAR to 1" >&5
+echo "${ECHO_T}Setting PJ_HAS_ERRNO_VAR to 1" >&6; }
+cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_ERRNO_VAR 1
+_ACEOF
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Setting PJ_HAS_HIGH_RES_TIMER to 1" >&5
-$as_echo "Setting PJ_HAS_HIGH_RES_TIMER to 1" >&6; }
-$as_echo "#define PJ_HAS_HIGH_RES_TIMER 1" >>confdefs.h
+{ echo "$as_me:$LINENO: result: Setting PJ_HAS_HIGH_RES_TIMER to 1" >&5
+echo "${ECHO_T}Setting PJ_HAS_HIGH_RES_TIMER to 1" >&6; }
+cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_HIGH_RES_TIMER 1
+_ACEOF
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Setting PJ_HAS_MALLOC to 1" >&5
-$as_echo "Setting PJ_HAS_MALLOC to 1" >&6; }
-$as_echo "#define PJ_HAS_MALLOC 1" >>confdefs.h
+{ echo "$as_me:$LINENO: result: Setting PJ_HAS_MALLOC to 1" >&5
+echo "${ECHO_T}Setting PJ_HAS_MALLOC to 1" >&6; }
+cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_MALLOC 1
+_ACEOF
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Setting PJ_NATIVE_STRING_IS_UNICODE to 0" >&5
-$as_echo "Setting PJ_NATIVE_STRING_IS_UNICODE to 0" >&6; }
-$as_echo "#define PJ_NATIVE_STRING_IS_UNICODE 0" >>confdefs.h
+{ echo "$as_me:$LINENO: result: Setting PJ_NATIVE_STRING_IS_UNICODE to 0" >&5
+echo "${ECHO_T}Setting PJ_NATIVE_STRING_IS_UNICODE to 0" >&6; }
+cat >>confdefs.h <<\_ACEOF
+#define PJ_NATIVE_STRING_IS_UNICODE 0
+_ACEOF
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Setting PJ_ATOMIC_VALUE_TYPE to long" >&5
-$as_echo "Setting PJ_ATOMIC_VALUE_TYPE to long" >&6; }
-$as_echo "#define PJ_ATOMIC_VALUE_TYPE long" >>confdefs.h
+{ echo "$as_me:$LINENO: result: Setting PJ_ATOMIC_VALUE_TYPE to long" >&5
+echo "${ECHO_T}Setting PJ_ATOMIC_VALUE_TYPE to long" >&6; }
+cat >>confdefs.h <<\_ACEOF
+#define PJ_ATOMIC_VALUE_TYPE long
+_ACEOF
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if inet_aton() is available" >&5
-$as_echo_n "checking if inet_aton() is available... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking if inet_aton() is available" >&5
+echo $ECHO_N "checking if inet_aton() is available... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
 				     #include <sys/socket.h>
@@ -5048,20 +10202,46 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_SOCK_HAS_INET_ATON 1" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_SOCK_HAS_INET_ATON 1
+_ACEOF
 
-		   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+		   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if inet_pton() is available" >&5
-$as_echo_n "checking if inet_pton() is available... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking if inet_pton() is available" >&5
+echo $ECHO_N "checking if inet_pton() is available... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
 				     #include <sys/socket.h>
@@ -5074,20 +10254,46 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_SOCK_HAS_INET_PTON 1" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_SOCK_HAS_INET_PTON 1
+_ACEOF
 
-		   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+		   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if inet_ntop() is available" >&5
-$as_echo_n "checking if inet_ntop() is available... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking if inet_ntop() is available" >&5
+echo $ECHO_N "checking if inet_ntop() is available... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
 				     #include <sys/socket.h>
@@ -5100,20 +10306,46 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_SOCK_HAS_INET_NTOP 1" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_SOCK_HAS_INET_NTOP 1
+_ACEOF
 
-		   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+		   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if getaddrinfo() is available" >&5
-$as_echo_n "checking if getaddrinfo() is available... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking if getaddrinfo() is available" >&5
+echo $ECHO_N "checking if getaddrinfo() is available... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
 				     #include <sys/socket.h>
@@ -5126,20 +10358,46 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_SOCK_HAS_GETADDRINFO 1" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_SOCK_HAS_GETADDRINFO 1
+_ACEOF
 
-		   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+		   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if sockaddr_in has sin_len member" >&5
-$as_echo_n "checking if sockaddr_in has sin_len member... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking if sockaddr_in has sin_len member" >&5
+echo $ECHO_N "checking if sockaddr_in has sin_len member... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
 				     #include <sys/socket.h>
@@ -5153,20 +10411,46 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_SOCKADDR_HAS_LEN 1" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_SOCKADDR_HAS_LEN 1
+_ACEOF
 
-		   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+		   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if socklen_t is available" >&5
-$as_echo_n "checking if socklen_t is available... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking if socklen_t is available" >&5
+echo $ECHO_N "checking if socklen_t is available... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
                                      #include <sys/socket.h>
@@ -5178,28 +10462,56 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_HAS_SOCKLEN_T 1" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SOCKLEN_T 1
+_ACEOF
 
-		   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+		   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if SO_ERROR is available" >&5
-$as_echo_n "checking if SO_ERROR is available... " >&6; }
+{ echo "$as_me:$LINENO: checking if SO_ERROR is available" >&5
+echo $ECHO_N "checking if SO_ERROR is available... $ECHO_C" >&6; }
 case $target in
     *mingw* | *cygw* | *win32* | *w32* )
-	$as_echo "#define PJ_HAS_SO_ERROR 1" >>confdefs.h
+	cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SO_ERROR 1
+_ACEOF
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+	{ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
 	;;
     *)
-	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+	cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
 					     #include <sys/socket.h>
@@ -5213,23 +10525,49 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_HAS_SO_ERROR 1" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SO_ERROR 1
+_ACEOF
 
-			   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+			   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 	;;
 esac
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if pthread_rwlock_t is available" >&5
-$as_echo_n "checking if pthread_rwlock_t is available... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking if pthread_rwlock_t is available" >&5
+echo $ECHO_N "checking if pthread_rwlock_t is available... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <pthread.h>
 int
@@ -5240,25 +10578,53 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_EMULATE_RWMUTEX 0" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_EMULATE_RWMUTEX 0
+_ACEOF
 
 		   ac_rwmutex="yes"
-  		   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+  		   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
 else
-  $as_echo "#define PJ_EMULATE_RWMUTEX 1" >>confdefs.h
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	cat >>confdefs.h <<\_ACEOF
+#define PJ_EMULATE_RWMUTEX 1
+_ACEOF
 
 		   ac_rwmutex="no"
-		   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+		   { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 if test "$ac_rwmutex" = "no"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if pthread_rwlock_t is available with _POSIX_READER_WRITER_LOCKS" >&5
-$as_echo_n "checking if pthread_rwlock_t is available with _POSIX_READER_WRITER_LOCKS... " >&6; }
-    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+    { echo "$as_me:$LINENO: checking if pthread_rwlock_t is available with _POSIX_READER_WRITER_LOCKS" >&5
+echo $ECHO_N "checking if pthread_rwlock_t is available with _POSIX_READER_WRITER_LOCKS... $ECHO_C" >&6; }
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #define _POSIX_READER_WRITER_LOCKS
 					 #include <pthread.h>
@@ -5270,24 +10636,52 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_EMULATE_RWMUTEX 0" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_EMULATE_RWMUTEX 0
+_ACEOF
 
 		       CFLAGS="$CFLAGS -D_POSIX_THREADS -D_POSIX_READER_WRITER_LOCKS"
-		       { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+		       { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
 else
-  $as_echo "#define PJ_EMULATE_RWMUTEX 1" >>confdefs.h
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
-		       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+	cat >>confdefs.h <<\_ACEOF
+#define PJ_EMULATE_RWMUTEX 1
+_ACEOF
+
+		       { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if pthread_mutexattr_settype() is available" >&5
-$as_echo_n "checking if pthread_mutexattr_settype() is available... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking if pthread_mutexattr_settype() is available" >&5
+echo $ECHO_N "checking if pthread_mutexattr_settype() is available... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <pthread.h>
 int
@@ -5298,20 +10692,46 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_HAS_PTHREAD_MUTEXATTR_SETTYPE 1" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_PTHREAD_MUTEXATTR_SETTYPE 1
+_ACEOF
 
-  		   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+  		   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if pthread_mutexattr_t has recursive member" >&5
-$as_echo_n "checking if pthread_mutexattr_t has recursive member... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking if pthread_mutexattr_t has recursive member" >&5
+echo $ECHO_N "checking if pthread_mutexattr_t has recursive member... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <pthread.h>
 int
@@ -5323,32 +10743,54 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_PTHREAD_MUTEXATTR_T_HAS_RECURSIVE 1" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_PTHREAD_MUTEXATTR_T_HAS_RECURSIVE 1
+_ACEOF
 
-  		   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+  		   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking ioqueue backend" >&5
-$as_echo_n "checking ioqueue backend... " >&6; }
+{ echo "$as_me:$LINENO: checking ioqueue backend" >&5
+echo $ECHO_N "checking ioqueue backend... $ECHO_C" >&6; }
 # Check whether --enable-epoll was given.
-if test "${enable_epoll+set}" = set; then :
+if test "${enable_epoll+set}" = set; then
   enableval=$enable_epoll;
 		ac_os_objs=ioqueue_epoll.o
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: /dev/epoll" >&5
-$as_echo "/dev/epoll" >&6; }
+		{ echo "$as_me:$LINENO: result: /dev/epoll" >&5
+echo "${ECHO_T}/dev/epoll" >&6; }
 
 else
 
 		ac_os_objs=ioqueue_select.o
-	        { $as_echo "$as_me:${as_lineno-$LINENO}: result: select()" >&5
-$as_echo "select()" >&6; }
+	        { echo "$as_me:$LINENO: result: select()" >&5
+echo "${ECHO_T}select()" >&6; }
 
 fi
 
@@ -5385,13 +10827,17 @@
 
 
 # Check whether --with-external-speex was given.
-if test "${with_external_speex+set}" = set; then :
+if test "${with_external_speex+set}" = set; then
   withval=$with_external_speex;
 	if test "x$with_external_speex" != "xno"; then
 		# Test Speex installation
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if external Speex devkit is installed" >&5
-$as_echo_n "checking if external Speex devkit is installed... " >&6; }
-		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+		{ echo "$as_me:$LINENO: checking if external Speex devkit is installed" >&5
+echo $ECHO_N "checking if external Speex devkit is installed... $ECHO_C" >&6; }
+		cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <speex/speex.h>
 						     #include <speex/speex_echo.h>
@@ -5404,16 +10850,40 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes!!" >&5
-$as_echo "yes!!" >&6; }
-				   $as_echo "#define PJMEDIA_EXTERNAL_SPEEX_CODEC 1" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  { echo "$as_me:$LINENO: result: yes!!" >&5
+echo "${ECHO_T}yes!!" >&6; }
+				   cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_EXTERNAL_SPEEX_CODEC 1
+_ACEOF
 
 				   ac_external_speex="1"
 
 else
-  as_fn_error "Unable to use external Speex library. If Speex development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" "$LINENO" 5
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ { echo "$as_me:$LINENO: error: Unable to use external Speex library. If Speex development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" >&5
+echo "$as_me: error: Unable to use external Speex library. If Speex development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" >&2;}
+   { (exit 1); exit 1; }; }
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 	fi
 
@@ -5425,13 +10895,17 @@
 
 
 # Check whether --with-external-gsm was given.
-if test "${with_external_gsm+set}" = set; then :
+if test "${with_external_gsm+set}" = set; then
   withval=$with_external_gsm;
 	if test "x$with_external_gsm" != "xno"; then
                 # Test GSM library installation
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking if external GSM devkit is installed as gsm/gsm.h" >&5
-$as_echo_n "checking if external GSM devkit is installed as gsm/gsm.h... " >&6; }
-                cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+                { echo "$as_me:$LINENO: checking if external GSM devkit is installed as gsm/gsm.h" >&5
+echo $ECHO_N "checking if external GSM devkit is installed as gsm/gsm.h... $ECHO_C" >&6; }
+                cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <gsm/gsm.h>
 int
@@ -5442,22 +10916,49 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes!!" >&5
-$as_echo "yes!!" >&6; }
-                     $as_echo "#define PJMEDIA_EXTERNAL_GSM_CODEC 1" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  { echo "$as_me:$LINENO: result: yes!!" >&5
+echo "${ECHO_T}yes!!" >&6; }
+                     cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_EXTERNAL_GSM_CODEC 1
+_ACEOF
 
-                     $as_echo "#define PJMEDIA_EXTERNAL_GSM_GSM_H 1" >>confdefs.h
+                     cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_EXTERNAL_GSM_GSM_H 1
+_ACEOF
 
                      ac_external_gsm="1"
 
 else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
-                     { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                     { $as_echo "$as_me:${as_lineno-$LINENO}: checking if external GSM devkit is installed as gsm.h" >&5
-$as_echo_n "checking if external GSM devkit is installed as gsm.h... " >&6; }
-                     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+
+                     { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+                     { echo "$as_me:$LINENO: checking if external GSM devkit is installed as gsm.h" >&5
+echo $ECHO_N "checking if external GSM devkit is installed as gsm.h... $ECHO_C" >&6; }
+                     cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <gsm.h>
 int
@@ -5468,24 +10969,51 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes!!" >&5
-$as_echo "yes!!" >&6; }
-                         $as_echo "#define PJMEDIA_EXTERNAL_GSM_CODEC 1" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  { echo "$as_me:$LINENO: result: yes!!" >&5
+echo "${ECHO_T}yes!!" >&6; }
+                         cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_EXTERNAL_GSM_CODEC 1
+_ACEOF
 
-                         $as_echo "#define PJMEDIA_EXTERNAL_GSM_H 1" >>confdefs.h
+                         cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_EXTERNAL_GSM_H 1
+_ACEOF
 
                          ac_external_gsm="1"
 
 else
-  as_fn_error "Unable to use external GSM library. If GSM development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" "$LINENO" 5
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ { echo "$as_me:$LINENO: error: Unable to use external GSM library. If GSM development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" >&5
+echo "$as_me: error: Unable to use external GSM library. If GSM development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" >&2;}
+   { (exit 1); exit 1; }; }
 
 
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 	fi
 
@@ -5497,11 +11025,11 @@
 
 
 # Check whether --enable-sound was given.
-if test "${enable_sound+set}" = set; then :
+if test "${enable_sound+set}" = set; then
   enableval=$enable_sound; if test "$enable_sound" = "no"; then
 		ac_pjmedia_snd=null
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if sound is disabled... yes" >&5
-$as_echo "Checking if sound is disabled... yes" >&6; }
+		{ echo "$as_me:$LINENO: result: Checking if sound is disabled... yes" >&5
+echo "${ECHO_T}Checking if sound is disabled... yes" >&6; }
 	       fi
 
 fi
@@ -5511,13 +11039,17 @@
 
 
 # Check whether --with-external-pa was given.
-if test "${with_external_pa+set}" = set; then :
+if test "${with_external_pa+set}" = set; then
   withval=$with_external_pa;
 	if test "x$with_external_pa" != "xno"; then
 		# Test PortAudio installation
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if external PortAudio devkit is installed" >&5
-$as_echo_n "checking if external PortAudio devkit is installed... " >&6; }
-		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+		{ echo "$as_me:$LINENO: checking if external PortAudio devkit is installed" >&5
+echo $ECHO_N "checking if external PortAudio devkit is installed... $ECHO_C" >&6; }
+		cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <portaudio.h>
 
@@ -5529,14 +11061,36 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes!!" >&5
-$as_echo "yes!!" >&6; }
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  { echo "$as_me:$LINENO: result: yes!!" >&5
+echo "${ECHO_T}yes!!" >&6; }
 				   ac_external_pa="1"
 
 else
-  as_fn_error "Unable to use PortAudio. If PortAudio development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" "$LINENO" 5
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ { echo "$as_me:$LINENO: error: Unable to use PortAudio. If PortAudio development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" >&5
+echo "$as_me: error: Unable to use PortAudio. If PortAudio development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" >&2;}
+   { (exit 1); exit 1; }; }
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 	fi
 
@@ -5545,20 +11099,392 @@
 
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "sys/soundcard.h" "ac_cv_header_sys_soundcard_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_soundcard_h" = x""yes; then :
+if test "${ac_cv_header_sys_soundcard_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/soundcard.h" >&5
+echo $ECHO_N "checking for sys/soundcard.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_soundcard_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_soundcard_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_soundcard_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/soundcard.h usability" >&5
+echo $ECHO_N "checking sys/soundcard.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/soundcard.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/soundcard.h presence" >&5
+echo $ECHO_N "checking sys/soundcard.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/soundcard.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/soundcard.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/soundcard.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/soundcard.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/soundcard.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/soundcard.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/soundcard.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/soundcard.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/soundcard.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/soundcard.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/soundcard.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/soundcard.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/soundcard.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/soundcard.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/soundcard.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/soundcard.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/soundcard.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/soundcard.h" >&5
+echo $ECHO_N "checking for sys/soundcard.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_soundcard_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_soundcard_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_soundcard_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_soundcard_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_soundcard_h = yes; then
   ac_pa_cflags="$ac_pa_cflags -DHAVE_SYS_SOUNDCARD_H"
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "linux/soundcard.h" "ac_cv_header_linux_soundcard_h" "$ac_includes_default"
-if test "x$ac_cv_header_linux_soundcard_h" = x""yes; then :
+if test "${ac_cv_header_linux_soundcard_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for linux/soundcard.h" >&5
+echo $ECHO_N "checking for linux/soundcard.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_linux_soundcard_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_linux_soundcard_h" >&5
+echo "${ECHO_T}$ac_cv_header_linux_soundcard_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking linux/soundcard.h usability" >&5
+echo $ECHO_N "checking linux/soundcard.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <linux/soundcard.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking linux/soundcard.h presence" >&5
+echo $ECHO_N "checking linux/soundcard.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <linux/soundcard.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: linux/soundcard.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: linux/soundcard.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/soundcard.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: linux/soundcard.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: linux/soundcard.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: linux/soundcard.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/soundcard.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: linux/soundcard.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/soundcard.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: linux/soundcard.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/soundcard.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: linux/soundcard.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/soundcard.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: linux/soundcard.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/soundcard.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: linux/soundcard.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for linux/soundcard.h" >&5
+echo $ECHO_N "checking for linux/soundcard.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_linux_soundcard_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_linux_soundcard_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_linux_soundcard_h" >&5
+echo "${ECHO_T}$ac_cv_header_linux_soundcard_h" >&6; }
+
+fi
+if test $ac_cv_header_linux_soundcard_h = yes; then
   ac_pa_cflags="$ac_pa_cflags -DHAVE_LINUX_SOUNDCARD_H"
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "machine/soundcard.h" "ac_cv_header_machine_soundcard_h" "$ac_includes_default"
-if test "x$ac_cv_header_machine_soundcard_h" = x""yes; then :
+if test "${ac_cv_header_machine_soundcard_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for machine/soundcard.h" >&5
+echo $ECHO_N "checking for machine/soundcard.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_machine_soundcard_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_machine_soundcard_h" >&5
+echo "${ECHO_T}$ac_cv_header_machine_soundcard_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking machine/soundcard.h usability" >&5
+echo $ECHO_N "checking machine/soundcard.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <machine/soundcard.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking machine/soundcard.h presence" >&5
+echo $ECHO_N "checking machine/soundcard.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <machine/soundcard.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: machine/soundcard.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: machine/soundcard.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: machine/soundcard.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: machine/soundcard.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: machine/soundcard.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: machine/soundcard.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: machine/soundcard.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: machine/soundcard.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: machine/soundcard.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: machine/soundcard.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: machine/soundcard.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: machine/soundcard.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: machine/soundcard.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: machine/soundcard.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: machine/soundcard.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: machine/soundcard.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for machine/soundcard.h" >&5
+echo $ECHO_N "checking for machine/soundcard.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_machine_soundcard_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_machine_soundcard_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_machine_soundcard_h" >&5
+echo "${ECHO_T}$ac_cv_header_machine_soundcard_h" >&6; }
+
+fi
+if test $ac_cv_header_machine_soundcard_h = yes; then
   ac_pa_cflags="$ac_pa_cflags -DHAVE_MACHINE_SOUNDCARD_H"
 fi
 
@@ -5576,8 +11502,8 @@
  case $target in
   arm-apple-darwin*)
 	LIBS="$LIBS -framework CoreAudio -framework CoreFoundation -framework AudioToolbox -framework CFNetwork -framework UIKit"
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking sound device backend... AudioUnit" >&5
-$as_echo "Checking sound device backend... AudioUnit" >&6; }
+	{ echo "$as_me:$LINENO: result: Checking sound device backend... AudioUnit" >&5
+echo "${ECHO_T}Checking sound device backend... AudioUnit" >&6; }
 	;;
   *darwin*)
 	LIBS="$LIBS -framework CoreAudio -framework CoreServices -framework AudioUnit -framework AudioToolbox"
@@ -5585,28 +11511,152 @@
 		#ac_pa_cflags="$ac_pa_cflags -DPA_OLD_CORE_AUDIO -DMOSX_USE_NON_ATOMIC_FLAG_BITS"
 		#AC_MSG_RESULT([Setting additional PortAudio CFLAGS.. -DPA_OLD_CORE_AUDIO -DMOSX_USE_NON_ATOMIC_FLAG_BITS])
 		ac_pjmedia_snd=pa_old_darwinos
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking sound device backend... old coreaudio" >&5
-$as_echo "Checking sound device backend... old coreaudio" >&6; }
+		{ echo "$as_me:$LINENO: result: Checking sound device backend... old coreaudio" >&5
+echo "${ECHO_T}Checking sound device backend... old coreaudio" >&6; }
 	else
 		ac_pjmedia_snd=pa_darwinos
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking sound device backend... coreaudio" >&5
-$as_echo "Checking sound device backend... coreaudio" >&6; }
+		{ echo "$as_me:$LINENO: result: Checking sound device backend... coreaudio" >&5
+echo "${ECHO_T}Checking sound device backend... coreaudio" >&6; }
 	fi
 	;;
   *cygwin* | *mingw*)
 	ac_pjmedia_snd=pa_win32
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking sound device backend... win32 sound" >&5
-$as_echo "Checking sound device backend... win32 sound" >&6; }
+	{ echo "$as_me:$LINENO: result: Checking sound device backend... win32 sound" >&5
+echo "${ECHO_T}Checking sound device backend... win32 sound" >&6; }
 	;;
   *rtems*)
 	ac_pjmedia_snd=null
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking sound device backend... null sound" >&5
-$as_echo "Checking sound device backend... null sound" >&6; }
+	{ echo "$as_me:$LINENO: result: Checking sound device backend... null sound" >&5
+echo "${ECHO_T}Checking sound device backend... null sound" >&6; }
 	;;
   *)
 		ac_pjmedia_snd=pa_unix
-	ac_fn_c_check_header_mongrel "$LINENO" "alsa/version.h" "ac_cv_header_alsa_version_h" "$ac_includes_default"
-if test "x$ac_cv_header_alsa_version_h" = x""yes; then :
+	if test "${ac_cv_header_alsa_version_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for alsa/version.h" >&5
+echo $ECHO_N "checking for alsa/version.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_alsa_version_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_alsa_version_h" >&5
+echo "${ECHO_T}$ac_cv_header_alsa_version_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking alsa/version.h usability" >&5
+echo $ECHO_N "checking alsa/version.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <alsa/version.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking alsa/version.h presence" >&5
+echo $ECHO_N "checking alsa/version.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <alsa/version.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: alsa/version.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: alsa/version.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: alsa/version.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: alsa/version.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: alsa/version.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: alsa/version.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: alsa/version.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: alsa/version.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: alsa/version.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: alsa/version.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: alsa/version.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: alsa/version.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: alsa/version.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: alsa/version.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: alsa/version.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: alsa/version.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for alsa/version.h" >&5
+echo $ECHO_N "checking for alsa/version.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_alsa_version_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_alsa_version_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_alsa_version_h" >&5
+echo "${ECHO_T}$ac_cv_header_alsa_version_h" >&6; }
+
+fi
+if test $ac_cv_header_alsa_version_h = yes; then
   ac_pa_use_alsa=1
 
 			 LIBS="$LIBS -lasound"
@@ -5617,18 +11667,18 @@
 fi
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking sound device backend... unix" >&5
-$as_echo "Checking sound device backend... unix" >&6; }
+	{ echo "$as_me:$LINENO: result: Checking sound device backend... unix" >&5
+echo "${ECHO_T}Checking sound device backend... unix" >&6; }
 
 		ac_pa_use_oss=1
 
 	# Check whether --enable-oss was given.
-if test "${enable_oss+set}" = set; then :
+if test "${enable_oss+set}" = set; then
   enableval=$enable_oss;
 			if test "$enable_oss" = "no"; then
 			 ac_pa_use_oss=0
-			 { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if OSS audio is disabled... yes" >&5
-$as_echo "Checking if OSS audio is disabled... yes" >&6; }
+			 { echo "$as_me:$LINENO: result: Checking if OSS audio is disabled... yes" >&5
+echo "${ECHO_T}Checking if OSS audio is disabled... yes" >&6; }
 			fi
 
 fi
@@ -5648,7 +11698,11 @@
 
 	SAVED_LIBS="$LIBS"
 	LIBS="-framework AVFoundation -framework UIKit -framework CoreGraphics -framework QuartzCore -framework CoreVideo -framework CoreMedia"
-	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+	cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -5659,22 +11713,43 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_pjmedia_video_has_ios=yes
 else
-  ac_pjmedia_video_has_ios=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_pjmedia_video_has_ios=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 	LIBS="$SAVED_LIBS"
 	if test "$ac_pjmedia_video_has_ios" = "yes"; then
 	  ac_ios_cflags="-DPJMEDIA_VIDEO_DEV_HAS_IOS=1"
 	  LIBS="$LIBS -framework AVFoundation -framework UIKit -framework CoreGraphics -framework QuartzCore -framework CoreVideo -framework CoreMedia"
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if AVFoundation framework is available... yes" >&5
-$as_echo "Checking if AVFoundation framework is available... yes" >&6; }
+	  { echo "$as_me:$LINENO: result: Checking if AVFoundation framework is available... yes" >&5
+echo "${ECHO_T}Checking if AVFoundation framework is available... yes" >&6; }
 	else
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if AVFoundation framework is available... no" >&5
-$as_echo "Checking if AVFoundation framework is available... no" >&6; }
+	  { echo "$as_me:$LINENO: result: Checking if AVFoundation framework is available... no" >&5
+echo "${ECHO_T}Checking if AVFoundation framework is available... no" >&6; }
 	fi
 	;;
   *darwin*)
@@ -5683,7 +11758,11 @@
 
 	SAVED_LIBS="$LIBS"
 	LIBS="-framework QTKit"
-	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+	cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -5694,33 +11773,54 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_pjmedia_video_has_qt=yes
 else
-  ac_pjmedia_video_has_qt=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_pjmedia_video_has_qt=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 	LIBS="$SAVED_LIBS"
 	if test "$ac_pjmedia_video_has_qt" = "yes"; then
 	  ac_qt_cflags="-DPJMEDIA_VIDEO_DEV_HAS_QT=1"
 	  LIBS="$LIBS -framework QTKit -framework Foundation -framework AppKit -framework QuartzCore -framework OpenGL"
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if QTKit framework is available... yes" >&5
-$as_echo "Checking if QTKit framework is available... yes" >&6; }
+	  { echo "$as_me:$LINENO: result: Checking if QTKit framework is available... yes" >&5
+echo "${ECHO_T}Checking if QTKit framework is available... yes" >&6; }
 	else
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if QTKit framework is available... no" >&5
-$as_echo "Checking if QTKit framework is available... no" >&6; }
+	  { echo "$as_me:$LINENO: result: Checking if QTKit framework is available... no" >&5
+echo "${ECHO_T}Checking if QTKit framework is available... no" >&6; }
 	fi
 	;;
  esac
 fi
 
 # Check whether --enable-ext_sound was given.
-if test "${enable_ext_sound+set}" = set; then :
+if test "${enable_ext_sound+set}" = set; then
   enableval=$enable_ext_sound; if test "$enable_ext_sound" = "yes"; then
 		ac_pjmedia_snd=external
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if external sound is set... yes" >&5
-$as_echo "Checking if external sound is set... yes" >&6; }
+		{ echo "$as_me:$LINENO: result: Checking if external sound is set... yes" >&5
+echo "${ECHO_T}Checking if external sound is set... yes" >&6; }
 	       fi
 
 fi
@@ -5728,170 +11828,189 @@
 
 
 # Check whether --enable-small-filter was given.
-if test "${enable_small_filter+set}" = set; then :
+if test "${enable_small_filter+set}" = set; then
   enableval=$enable_small_filter; if test "$enable_small_filter" = "no"; then
 		ac_no_small_filter='-DPJMEDIA_HAS_SMALL_FILTER=0'
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if small filter is disabled... yes" >&5
-$as_echo "Checking if small filter is disabled... yes" >&6; }
+		{ echo "$as_me:$LINENO: result: Checking if small filter is disabled... yes" >&5
+echo "${ECHO_T}Checking if small filter is disabled... yes" >&6; }
 	       fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if small filter is disabled... no" >&5
-$as_echo "Checking if small filter is disabled... no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if small filter is disabled... no" >&5
+echo "${ECHO_T}Checking if small filter is disabled... no" >&6; }
 fi
 
 
 
 # Check whether --enable-large-filter was given.
-if test "${enable_large_filter+set}" = set; then :
+if test "${enable_large_filter+set}" = set; then
   enableval=$enable_large_filter; if test "$enable_large_filter" = "no"; then
 		ac_no_large_filter='-DPJMEDIA_HAS_LARGE_FILTER=0'
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if large filter is disabled... yes" >&5
-$as_echo "Checking if large filter is disabled... yes" >&6; }
+		{ echo "$as_me:$LINENO: result: Checking if large filter is disabled... yes" >&5
+echo "${ECHO_T}Checking if large filter is disabled... yes" >&6; }
 	       fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if large filter is disabled... no" >&5
-$as_echo "Checking if large filter is disabled... no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if large filter is disabled... no" >&5
+echo "${ECHO_T}Checking if large filter is disabled... no" >&6; }
 fi
 
 
 
 # Check whether --enable-speex-aec was given.
-if test "${enable_speex_aec+set}" = set; then :
+if test "${enable_speex_aec+set}" = set; then
   enableval=$enable_speex_aec; if test "$enable_speex_aec" = "no"; then
 		ac_no_speex_aec='-DPJMEDIA_HAS_SPEEX_AEC=0'
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if Speex AEC is disabled...yes" >&5
-$as_echo "Checking if Speex AEC is disabled...yes" >&6; }
+		{ echo "$as_me:$LINENO: result: Checking if Speex AEC is disabled...yes" >&5
+echo "${ECHO_T}Checking if Speex AEC is disabled...yes" >&6; }
 	       fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if Speex AEC is disabled...no" >&5
-$as_echo "Checking if Speex AEC is disabled...no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if Speex AEC is disabled...no" >&5
+echo "${ECHO_T}Checking if Speex AEC is disabled...no" >&6; }
 fi
 
 
 
 # Check whether --enable-g711-codec was given.
-if test "${enable_g711_codec+set}" = set; then :
+if test "${enable_g711_codec+set}" = set; then
   enableval=$enable_g711_codec; if test "$enable_g711_codec" = "no"; then
 		ac_no_g711_codec=1
-		$as_echo "#define PJMEDIA_HAS_G711_CODEC 0" >>confdefs.h
+		cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_HAS_G711_CODEC 0
+_ACEOF
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if G.711 codec is disabled...yes" >&5
-$as_echo "Checking if G.711 codec is disabled...yes" >&6; }
+		{ echo "$as_me:$LINENO: result: Checking if G.711 codec is disabled...yes" >&5
+echo "${ECHO_T}Checking if G.711 codec is disabled...yes" >&6; }
 	       fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if G.711 codec is disabled...no" >&5
-$as_echo "Checking if G.711 codec is disabled...no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if G.711 codec is disabled...no" >&5
+echo "${ECHO_T}Checking if G.711 codec is disabled...no" >&6; }
 fi
 
 
 
 
 # Check whether --enable-l16-codec was given.
-if test "${enable_l16_codec+set}" = set; then :
+if test "${enable_l16_codec+set}" = set; then
   enableval=$enable_l16_codec; if test "$enable_l16_codec" = "no"; then
 		ac_no_l16_codec=1
-		$as_echo "#define PJMEDIA_HAS_L16_CODEC 0" >>confdefs.h
+		cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_HAS_L16_CODEC 0
+_ACEOF
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if L16 codecs are disabled...yes" >&5
-$as_echo "Checking if L16 codecs are disabled...yes" >&6; }
+		{ echo "$as_me:$LINENO: result: Checking if L16 codecs are disabled...yes" >&5
+echo "${ECHO_T}Checking if L16 codecs are disabled...yes" >&6; }
 	       fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if L16 codec is disabled...no" >&5
-$as_echo "Checking if L16 codec is disabled...no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if L16 codec is disabled...no" >&5
+echo "${ECHO_T}Checking if L16 codec is disabled...no" >&6; }
 fi
 
 
 
 
 # Check whether --enable-gsm-codec was given.
-if test "${enable_gsm_codec+set}" = set; then :
+if test "${enable_gsm_codec+set}" = set; then
   enableval=$enable_gsm_codec; if test "$enable_gsm_codec" = "no"; then
 		ac_no_gsm_codec=1
-		$as_echo "#define PJMEDIA_HAS_GSM_CODEC 0" >>confdefs.h
+		cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_HAS_GSM_CODEC 0
+_ACEOF
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if GSM codec is disabled...yes" >&5
-$as_echo "Checking if GSM codec is disabled...yes" >&6; }
+		{ echo "$as_me:$LINENO: result: Checking if GSM codec is disabled...yes" >&5
+echo "${ECHO_T}Checking if GSM codec is disabled...yes" >&6; }
 	       fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if GSM codec is disabled...no" >&5
-$as_echo "Checking if GSM codec is disabled...no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if GSM codec is disabled...no" >&5
+echo "${ECHO_T}Checking if GSM codec is disabled...no" >&6; }
 fi
 
 
 
 # Check whether --enable-g722-codec was given.
-if test "${enable_g722_codec+set}" = set; then :
+if test "${enable_g722_codec+set}" = set; then
   enableval=$enable_g722_codec; if test "$enable_g722_codec" = "no"; then
 		ac_no_g722_codec=1
-		$as_echo "#define PJMEDIA_HAS_G722_CODEC 0" >>confdefs.h
+		cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_HAS_G722_CODEC 0
+_ACEOF
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if G.722 codec is disabled...yes" >&5
-$as_echo "Checking if G.722 codec is disabled...yes" >&6; }
+		{ echo "$as_me:$LINENO: result: Checking if G.722 codec is disabled...yes" >&5
+echo "${ECHO_T}Checking if G.722 codec is disabled...yes" >&6; }
 	       fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if G.722 codec is disabled...no" >&5
-$as_echo "Checking if G.722 codec is disabled...no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if G.722 codec is disabled...no" >&5
+echo "${ECHO_T}Checking if G.722 codec is disabled...no" >&6; }
 fi
 
 
 
 # Check whether --enable-g7221-codec was given.
-if test "${enable_g7221_codec+set}" = set; then :
+if test "${enable_g7221_codec+set}" = set; then
   enableval=$enable_g7221_codec; if test "$enable_g7221_codec" = "no"; then
 		ac_no_g7221_codec=1
-		$as_echo "#define PJMEDIA_HAS_G7221_CODEC 0" >>confdefs.h
+		cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_HAS_G7221_CODEC 0
+_ACEOF
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if G.722.1 codec is disabled...yes" >&5
-$as_echo "Checking if G.722.1 codec is disabled...yes" >&6; }
+		{ echo "$as_me:$LINENO: result: Checking if G.722.1 codec is disabled...yes" >&5
+echo "${ECHO_T}Checking if G.722.1 codec is disabled...yes" >&6; }
 	       fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if G.722.1 codec is disabled...no" >&5
-$as_echo "Checking if G.722.1 codec is disabled...no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if G.722.1 codec is disabled...no" >&5
+echo "${ECHO_T}Checking if G.722.1 codec is disabled...no" >&6; }
 fi
 
 
 
 # Check whether --enable-speex-codec was given.
-if test "${enable_speex_codec+set}" = set; then :
+if test "${enable_speex_codec+set}" = set; then
   enableval=$enable_speex_codec; if test "$enable_speex_codec" = "no"; then
 		ac_no_speex_codec=1
-		$as_echo "#define PJMEDIA_HAS_SPEEX_CODEC 0" >>confdefs.h
+		cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_HAS_SPEEX_CODEC 0
+_ACEOF
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if Speex codec is disabled...yes" >&5
-$as_echo "Checking if Speex codec is disabled...yes" >&6; }
+		{ echo "$as_me:$LINENO: result: Checking if Speex codec is disabled...yes" >&5
+echo "${ECHO_T}Checking if Speex codec is disabled...yes" >&6; }
 	       fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if Speex codec is disabled...no" >&5
-$as_echo "Checking if Speex codec is disabled...no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if Speex codec is disabled...no" >&5
+echo "${ECHO_T}Checking if Speex codec is disabled...no" >&6; }
 fi
 
 
 
 # Check whether --enable-ilbc-codec was given.
-if test "${enable_ilbc_codec+set}" = set; then :
+if test "${enable_ilbc_codec+set}" = set; then
   enableval=$enable_ilbc_codec; if test "$enable_ilbc_codec" = "no"; then
 		ac_no_ilbc_codec=1
-		$as_echo "#define PJMEDIA_HAS_ILBC_CODEC 0" >>confdefs.h
+		cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_HAS_ILBC_CODEC 0
+_ACEOF
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if iLBC codec is disabled...yes" >&5
-$as_echo "Checking if iLBC codec is disabled...yes" >&6; }
+		{ echo "$as_me:$LINENO: result: Checking if iLBC codec is disabled...yes" >&5
+echo "${ECHO_T}Checking if iLBC codec is disabled...yes" >&6; }
 	       fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if iLBC codec is disabled...no" >&5
-$as_echo "Checking if iLBC codec is disabled...no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if iLBC codec is disabled...no" >&5
+echo "${ECHO_T}Checking if iLBC codec is disabled...no" >&6; }
 fi
 
 
 # Check whether --enable-libsamplerate was given.
-if test "${enable_libsamplerate+set}" = set; then :
-  enableval=$enable_libsamplerate;  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for src_new in -lsamplerate" >&5
-$as_echo_n "checking for src_new in -lsamplerate... " >&6; }
-if test "${ac_cv_lib_samplerate_src_new+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+if test "${enable_libsamplerate+set}" = set; then
+  enableval=$enable_libsamplerate;
+{ echo "$as_me:$LINENO: checking for src_new in -lsamplerate" >&5
+echo $ECHO_N "checking for src_new in -lsamplerate... $ECHO_C" >&6; }
+if test "${ac_cv_lib_samplerate_src_new+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsamplerate  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -5909,18 +12028,39 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_samplerate_src_new=yes
 else
-  ac_cv_lib_samplerate_src_new=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_samplerate_src_new=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_samplerate_src_new" >&5
-$as_echo "$ac_cv_lib_samplerate_src_new" >&6; }
-if test "x$ac_cv_lib_samplerate_src_new" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_samplerate_src_new" >&5
+echo "${ECHO_T}$ac_cv_lib_samplerate_src_new" >&6; }
+if test $ac_cv_lib_samplerate_src_new = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBSAMPLERATE 1
 _ACEOF
@@ -5930,15 +12070,15 @@
 fi
 
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Skipping libsamplerate detection" >&5
-$as_echo "Skipping libsamplerate detection" >&6; }
+  { echo "$as_me:$LINENO: result: Skipping libsamplerate detection" >&5
+echo "${ECHO_T}Skipping libsamplerate detection" >&6; }
 
 fi
 
 
 
 # Check whether --with-sdl was given.
-if test "${with_sdl+set}" = set; then :
+if test "${with_sdl+set}" = set; then
   withval=$with_sdl;
 else
   with_sdl=no
@@ -5947,11 +12087,11 @@
 
 
 # Check whether --enable-sdl was given.
-if test "${enable_sdl+set}" = set; then :
+if test "${enable_sdl+set}" = set; then
   enableval=$enable_sdl;
 		if test "$enable_sdl" = "no"; then
-		  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if SDL is disabled... yes" >&5
-$as_echo "Checking if SDL is disabled... yes" >&6; }
+		  { echo "$as_me:$LINENO: result: Checking if SDL is disabled... yes" >&5
+echo "${ECHO_T}Checking if SDL is disabled... yes" >&6; }
 		fi
 
 else
@@ -5959,12 +12099,12 @@
 		  SDL_CONFIG="sdl-config"
 		  if test "x$with_sdl" != "xno" -a "x$with_sdl" != "x"; then
 			SDL_CONFIG=$with_sdl/bin/sdl-config
-			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Using SDL prefix... $with_sdl" >&5
-$as_echo "Using SDL prefix... $with_sdl" >&6; }
+			{ echo "$as_me:$LINENO: result: Using SDL prefix... $with_sdl" >&5
+echo "${ECHO_T}Using SDL prefix... $with_sdl" >&6; }
 		  fi
 
-		  { $as_echo "$as_me:${as_lineno-$LINENO}: checking SDL availability.." >&5
-$as_echo_n "checking SDL availability..... " >&6; }
+		  { echo "$as_me:$LINENO: checking SDL availability.." >&5
+echo $ECHO_N "checking SDL availability..... $ECHO_C" >&6; }
 		  if (sh -c "$SDL_CONFIG --version" | grep 1.3) then
 
 
@@ -5973,8 +12113,8 @@
 			  ac_sdl_ldflags=`$SDL_CONFIG --libs`
 			  LIBS="$LIBS $ac_sdl_ldflags"
 		   else
-			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Unsupported SDL version" >&5
-$as_echo "Unsupported SDL version" >&6; }
+			{ echo "$as_me:$LINENO: result: Unsupported SDL version" >&5
+echo "${ECHO_T}Unsupported SDL version" >&6; }
 		   fi
 
 fi
@@ -5982,13 +12122,13 @@
 
 
 # Check whether --enable-ffmpeg was given.
-if test "${enable_ffmpeg+set}" = set; then :
+if test "${enable_ffmpeg+set}" = set; then
   enableval=$enable_ffmpeg;
 	        ac_has_ffmpeg=0
 
 		if test "$enable_ffmpeg" = "no"; then
-			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if ffmpeg is disabled... yes" >&5
-$as_echo "Checking if ffmpeg is disabled... yes" >&6; }
+			{ echo "$as_me:$LINENO: result: Checking if ffmpeg is disabled... yes" >&5
+echo "${ECHO_T}Checking if ffmpeg is disabled... yes" >&6; }
 		fi
 
 else
@@ -5996,14 +12136,19 @@
 
 
 
-				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for deflate in -lz" >&5
-$as_echo_n "checking for deflate in -lz... " >&6; }
-if test "${ac_cv_lib_z_deflate+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for deflate in -lz" >&5
+echo $ECHO_N "checking for deflate in -lz... $ECHO_C" >&6; }
+if test "${ac_cv_lib_z_deflate+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lz  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -6021,18 +12166,39 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_z_deflate=yes
 else
-  ac_cv_lib_z_deflate=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_z_deflate=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_deflate" >&5
-$as_echo "$ac_cv_lib_z_deflate" >&6; }
-if test "x$ac_cv_lib_z_deflate" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_z_deflate" >&5
+echo "${ECHO_T}$ac_cv_lib_z_deflate" >&6; }
+if test $ac_cv_lib_z_deflate = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBZ 1
 _ACEOF
@@ -6045,21 +12211,25 @@
 		FFMPEG_PREFIX=""
     		if test "x$with_ffmpeg" != "xno" -a "x$with_ffmpeg" != "x"; then
 			FFMPEG_PREFIX=$with_ffmpeg
-			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Using ffmpeg prefix... $FFMPEG_PREFIX" >&5
-$as_echo "Using ffmpeg prefix... $FFMPEG_PREFIX" >&6; }
+			{ echo "$as_me:$LINENO: result: Using ffmpeg prefix... $FFMPEG_PREFIX" >&5
+echo "${ECHO_T}Using ffmpeg prefix... $FFMPEG_PREFIX" >&6; }
 			LIBS="-L$FFMPEG_PREFIX/lib $LIBS"
 			LDFLAGS="-L$FFMPEG_PREFIX/lib $LDFLAGS"
 			CFLAGS="-I$FFMPEG_PREFIX/include $CFLAGS"
 		fi
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for avdevice_version in -lavdevice" >&5
-$as_echo_n "checking for avdevice_version in -lavdevice... " >&6; }
-if test "${ac_cv_lib_avdevice_avdevice_version+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+		{ echo "$as_me:$LINENO: checking for avdevice_version in -lavdevice" >&5
+echo $ECHO_N "checking for avdevice_version in -lavdevice... $ECHO_C" >&6; }
+if test "${ac_cv_lib_avdevice_avdevice_version+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lavdevice  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -6077,33 +12247,58 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_avdevice_avdevice_version=yes
 else
-  ac_cv_lib_avdevice_avdevice_version=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_avdevice_avdevice_version=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_avdevice_avdevice_version" >&5
-$as_echo "$ac_cv_lib_avdevice_avdevice_version" >&6; }
-if test "x$ac_cv_lib_avdevice_avdevice_version" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_avdevice_avdevice_version" >&5
+echo "${ECHO_T}$ac_cv_lib_avdevice_avdevice_version" >&6; }
+if test $ac_cv_lib_avdevice_avdevice_version = yes; then
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBAVDEVICE=1"
 			      ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lavdevice"
 
 
 fi
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for av_register_all in -lavformat" >&5
-$as_echo_n "checking for av_register_all in -lavformat... " >&6; }
-if test "${ac_cv_lib_avformat_av_register_all+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+		{ echo "$as_me:$LINENO: checking for av_register_all in -lavformat" >&5
+echo $ECHO_N "checking for av_register_all in -lavformat... $ECHO_C" >&6; }
+if test "${ac_cv_lib_avformat_av_register_all+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lavformat -lavcodec -lavutil
 			      $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -6121,32 +12316,57 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_avformat_av_register_all=yes
 else
-  ac_cv_lib_avformat_av_register_all=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_avformat_av_register_all=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_avformat_av_register_all" >&5
-$as_echo "$ac_cv_lib_avformat_av_register_all" >&6; }
-if test "x$ac_cv_lib_avformat_av_register_all" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_avformat_av_register_all" >&5
+echo "${ECHO_T}$ac_cv_lib_avformat_av_register_all" >&6; }
+if test $ac_cv_lib_avformat_av_register_all = yes; then
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBAVFORMAT=1"
 			      ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lavformat"
 
 fi
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for avcodec_init in -lavcodec" >&5
-$as_echo_n "checking for avcodec_init in -lavcodec... " >&6; }
-if test "${ac_cv_lib_avcodec_avcodec_init+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+		{ echo "$as_me:$LINENO: checking for avcodec_init in -lavcodec" >&5
+echo $ECHO_N "checking for avcodec_init in -lavcodec... $ECHO_C" >&6; }
+if test "${ac_cv_lib_avcodec_avcodec_init+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lavcodec -lavutil
 			      $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -6164,32 +12384,57 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_avcodec_avcodec_init=yes
 else
-  ac_cv_lib_avcodec_avcodec_init=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_avcodec_avcodec_init=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_avcodec_avcodec_init" >&5
-$as_echo "$ac_cv_lib_avcodec_avcodec_init" >&6; }
-if test "x$ac_cv_lib_avcodec_avcodec_init" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_avcodec_avcodec_init" >&5
+echo "${ECHO_T}$ac_cv_lib_avcodec_avcodec_init" >&6; }
+if test $ac_cv_lib_avcodec_avcodec_init = yes; then
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBAVCODEC=1"
 			      ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lavcodec"
 
 fi
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sws_scale in -lswscale" >&5
-$as_echo_n "checking for sws_scale in -lswscale... " >&6; }
-if test "${ac_cv_lib_swscale_sws_scale+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+		{ echo "$as_me:$LINENO: checking for sws_scale in -lswscale" >&5
+echo $ECHO_N "checking for sws_scale in -lswscale... $ECHO_C" >&6; }
+if test "${ac_cv_lib_swscale_sws_scale+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lswscale -lavutil
 			      $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -6207,31 +12452,56 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_swscale_sws_scale=yes
 else
-  ac_cv_lib_swscale_sws_scale=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_swscale_sws_scale=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_swscale_sws_scale" >&5
-$as_echo "$ac_cv_lib_swscale_sws_scale" >&6; }
-if test "x$ac_cv_lib_swscale_sws_scale" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_swscale_sws_scale" >&5
+echo "${ECHO_T}$ac_cv_lib_swscale_sws_scale" >&6; }
+if test $ac_cv_lib_swscale_sws_scale = yes; then
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBSWSCALE=1"
 			      ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lswscale"
 
 fi
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for av_malloc in -lavutil" >&5
-$as_echo_n "checking for av_malloc in -lavutil... " >&6; }
-if test "${ac_cv_lib_avutil_av_malloc+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+		{ echo "$as_me:$LINENO: checking for av_malloc in -lavutil" >&5
+echo $ECHO_N "checking for av_malloc in -lavutil... $ECHO_C" >&6; }
+if test "${ac_cv_lib_avutil_av_malloc+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lavutil  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -6249,32 +12519,57 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_avutil_av_malloc=yes
 else
-  ac_cv_lib_avutil_av_malloc=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_avutil_av_malloc=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_avutil_av_malloc" >&5
-$as_echo "$ac_cv_lib_avutil_av_malloc" >&6; }
-if test "x$ac_cv_lib_avutil_av_malloc" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_avutil_av_malloc" >&5
+echo "${ECHO_T}$ac_cv_lib_avutil_av_malloc" >&6; }
+if test $ac_cv_lib_avutil_av_malloc = yes; then
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBAVUTIL=1"
 			      ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lavutil"
 
 
 fi
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for avcore_version in -lavcore" >&5
-$as_echo_n "checking for avcore_version in -lavcore... " >&6; }
-if test "${ac_cv_lib_avcore_avcore_version+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+		{ echo "$as_me:$LINENO: checking for avcore_version in -lavcore" >&5
+echo $ECHO_N "checking for avcore_version in -lavcore... $ECHO_C" >&6; }
+if test "${ac_cv_lib_avcore_avcore_version+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lavcore  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -6292,18 +12587,39 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_avcore_avcore_version=yes
 else
-  ac_cv_lib_avcore_avcore_version=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_avcore_avcore_version=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_avcore_avcore_version" >&5
-$as_echo "$ac_cv_lib_avcore_avcore_version" >&6; }
-if test "x$ac_cv_lib_avcore_avcore_version" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_avcore_avcore_version" >&5
+echo "${ECHO_T}$ac_cv_lib_avcore_avcore_version" >&6; }
+if test $ac_cv_lib_avcore_avcore_version = yes; then
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBAVCORE=1"
 			      ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lavcore"
 
@@ -6318,7 +12634,7 @@
 
 
 # Check whether --with-ffmpeg was given.
-if test "${with_ffmpeg+set}" = set; then :
+if test "${with_ffmpeg+set}" = set; then
   withval=$with_ffmpeg;
 else
   with_ffmpeg=no
@@ -6328,25 +12644,29 @@
 
 
 # Check whether --enable-v4l2 was given.
-if test "${enable_v4l2+set}" = set; then :
+if test "${enable_v4l2+set}" = set; then
   enableval=$enable_v4l2;
 		if test "$enable_v4l2" = "no"; then
-		  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if V4L2 is disabled... yes" >&5
-$as_echo "Checking if V4L2 is disabled... yes" >&6; }
+		  { echo "$as_me:$LINENO: result: Checking if V4L2 is disabled... yes" >&5
+echo "${ECHO_T}Checking if V4L2 is disabled... yes" >&6; }
 		fi
 
 else
 
 
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for v4l2_open in -lv4l2" >&5
-$as_echo_n "checking for v4l2_open in -lv4l2... " >&6; }
-if test "${ac_cv_lib_v4l2_v4l2_open+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+		{ echo "$as_me:$LINENO: checking for v4l2_open in -lv4l2" >&5
+echo $ECHO_N "checking for v4l2_open in -lv4l2... $ECHO_C" >&6; }
+if test "${ac_cv_lib_v4l2_v4l2_open+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lv4l2  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -6364,18 +12684,39 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_v4l2_v4l2_open=yes
 else
-  ac_cv_lib_v4l2_v4l2_open=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_v4l2_v4l2_open=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_v4l2_v4l2_open" >&5
-$as_echo "$ac_cv_lib_v4l2_v4l2_open" >&6; }
-if test "x$ac_cv_lib_v4l2_v4l2_open" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_v4l2_v4l2_open" >&5
+echo "${ECHO_T}$ac_cv_lib_v4l2_v4l2_open" >&6; }
+if test $ac_cv_lib_v4l2_v4l2_open = yes; then
   ac_v4l2_cflags="-DPJMEDIA_VIDEO_DEV_HAS_V4L2=1"
 			      ac_v4l2_ldflags="-lv4l2"
 			      LIBS="$LIBS -lv4l2"
@@ -6388,7 +12729,7 @@
 
 
 # Check whether --enable-ipp was given.
-if test "${enable_ipp+set}" = set; then :
+if test "${enable_ipp+set}" = set; then
   enableval=$enable_ipp;
 else
   enable_ipp=no
@@ -6398,7 +12739,7 @@
 
 
 # Check whether --with-ipp was given.
-if test "${with_ipp+set}" = set; then :
+if test "${with_ipp+set}" = set; then
   withval=$with_ipp;
 else
   with_ipp=no
@@ -6408,7 +12749,7 @@
 
 
 # Check whether --with-ipp-samples was given.
-if test "${with_ipp_samples+set}" = set; then :
+if test "${with_ipp_samples+set}" = set; then
   withval=$with_ipp_samples;
 else
   with_ipp_samples=no
@@ -6418,7 +12759,7 @@
 
 
 # Check whether --with-ipp-arch was given.
-if test "${with_ipp_arch+set}" = set; then :
+if test "${with_ipp_arch+set}" = set; then
   withval=$with_ipp_arch;
 else
   with_ipp_arch=no
@@ -6427,40 +12768,46 @@
 
 
 if test "x$enable_ipp" != "xno"; then
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking Intel IPP location" >&5
-$as_echo_n "checking Intel IPP location... " >&6; }
+                { echo "$as_me:$LINENO: checking Intel IPP location" >&5
+echo $ECHO_N "checking Intel IPP location... $ECHO_C" >&6; }
 
     if test "x$with_ipp" != "xno" -a "x$with_ipp" != "x"; then
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_ipp" >&5
-$as_echo "$with_ipp" >&6; }
+	{ echo "$as_me:$LINENO: result: $with_ipp" >&5
+echo "${ECHO_T}$with_ipp" >&6; }
 	IPPROOT=$with_ipp
     elif test "x$IPPROOT" = "x"; then
 	if test -d /opt/intel/ipp; then
 	    IPPROOT=`ls -d /opt/intel/ipp/*/* | head -1`
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: autodetected in $IPPROOT" >&5
-$as_echo "autodetected in $IPPROOT" >&6; }
+	    { echo "$as_me:$LINENO: result: autodetected in $IPPROOT" >&5
+echo "${ECHO_T}autodetected in $IPPROOT" >&6; }
 	fi
     else
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $IPPROOT" >&5
-$as_echo "$IPPROOT" >&6; }
+	{ echo "$as_me:$LINENO: result: $IPPROOT" >&5
+echo "${ECHO_T}$IPPROOT" >&6; }
     fi
 
     if test "x$with_ipp_arch" != "xno"; then
 	IPP_SUFFIX=$with_ipp_arch
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: IPP arch suffix is set to $IPP_SUFFIX" >&5
-$as_echo "IPP arch suffix is set to $IPP_SUFFIX" >&6; }
+	{ echo "$as_me:$LINENO: result: IPP arch suffix is set to $IPP_SUFFIX" >&5
+echo "${ECHO_T}IPP arch suffix is set to $IPP_SUFFIX" >&6; }
     else
 	IPP_SUFFIX=""
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: IPP arch suffix is set to empty" >&5
-$as_echo "IPP arch suffix is set to empty" >&6; }
+	{ echo "$as_me:$LINENO: result: IPP arch suffix is set to empty" >&5
+echo "${ECHO_T}IPP arch suffix is set to empty" >&6; }
     fi
 
     if test x$IPPROOT = x; then
-	as_fn_error "the location is neither specified nor can be guessed. Please specify with IPPROOT env var or with --with-ipp option" "$LINENO" 5
+	{ { echo "$as_me:$LINENO: error: the location is neither specified nor can be guessed. Please specify with IPPROOT env var or with --with-ipp option" >&5
+echo "$as_me: error: the location is neither specified nor can be guessed. Please specify with IPPROOT env var or with --with-ipp option" >&2;}
+   { (exit 1); exit 1; }; }
     elif test ! -d $IPPROOT; then
-	as_fn_error "not found" "$LINENO" 5
+	{ { echo "$as_me:$LINENO: error: not found" >&5
+echo "$as_me: error: not found" >&2;}
+   { (exit 1); exit 1; }; }
     elif test ! -d $IPPROOT/include; then
-	as_fn_error "directory doesn't seem to be valid" "$LINENO" 5
+	{ { echo "$as_me:$LINENO: error: directory doesn't seem to be valid" >&5
+echo "$as_me: error: directory doesn't seem to be valid" >&2;}
+   { (exit 1); exit 1; }; }
     else
 	# IPP directory looks okay.
 	# Remove trailing backslash
@@ -6497,7 +12844,9 @@
 		else
 		   # IPP7
 		   if ! test -d $IPPROOT/../compiler; then
-			as_fn_error "Cannot find $IPPROOT/../compiler directory. Please set IPPROOT variable correctly" "$LINENO" 5
+			{ { echo "$as_me:$LINENO: error: Cannot find $IPPROOT/../compiler directory. Please set IPPROOT variable correctly" >&5
+echo "$as_me: error: Cannot find $IPPROOT/../compiler directory. Please set IPPROOT variable correctly" >&2;}
+   { (exit 1); exit 1; }; }
 		   fi
 		   IPP_CFLAGS="$IPP_CFLAGS"
 		   IPP_LDFLAGS="-L$IPPROOT/lib/intel64 -L$IPPROOT/../compiler/lib/$IPP7_ARCH"
@@ -6515,9 +12864,13 @@
 	LIBS="$IPP_LIBS $LIBS"
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking Intel IPP usability" >&5
-$as_echo_n "checking Intel IPP usability... " >&6; }
-	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+	{ echo "$as_me:$LINENO: checking Intel IPP usability" >&5
+echo $ECHO_N "checking Intel IPP usability... $ECHO_C" >&6; }
+	cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ippcore.h>
 
@@ -6529,55 +12882,82 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5
-$as_echo "ok" >&6; }
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  { echo "$as_me:$LINENO: result: ok" >&5
+echo "${ECHO_T}ok" >&6; }
 else
-  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status run with --help for more info
-as_fn_error "Error: unable to recognize your IPP installation. Make sure the paths and ARCH suffix are set correctly
-See \`config.log' for more details." "$LINENO" 5; }; }
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ { echo "$as_me:$LINENO: error: Error: unable to recognize your IPP installation. Make sure the paths and ARCH suffix are set correctly
+See \`config.log' for more details." >&5
+echo "$as_me: error: Error: unable to recognize your IPP installation. Make sure the paths and ARCH suffix are set correctly
+See \`config.log' for more details." >&2;}
+   { (exit run with --help for more info); exit run with --help for more info; }; }
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 
 	CFLAGS="$SAVED_CFLAGS"
 	LDFLAGS="$SAVED_LDFLAGS"
 	LIBS="$SAVED_LIBS"
     fi
 
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking Intel IPP samples location" >&5
-$as_echo_n "checking Intel IPP samples location... " >&6; }
+                { echo "$as_me:$LINENO: checking Intel IPP samples location" >&5
+echo $ECHO_N "checking Intel IPP samples location... $ECHO_C" >&6; }
 
     if test "x$with_ipp_samples" != "xno" -a "x$with_ipp_samples" != "x"; then
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_ipp_samples" >&5
-$as_echo "$with_ipp_samples" >&6; }
+	{ echo "$as_me:$LINENO: result: $with_ipp_samples" >&5
+echo "${ECHO_T}$with_ipp_samples" >&6; }
 	IPPSAMPLES=$with_ipp_samples
     elif test "x$IPPSAMPLES" = "x"; then
 	if test -d /opt/intel/ipp-samples; then
 	    IPPSAMPLES=/opt/intel/ipp-samples
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: autodetected in $IPPSAMPLES" >&5
-$as_echo "autodetected in $IPPSAMPLES" >&6; }
+	    { echo "$as_me:$LINENO: result: autodetected in $IPPSAMPLES" >&5
+echo "${ECHO_T}autodetected in $IPPSAMPLES" >&6; }
 	fi
     else
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $IPPSAMPLES" >&5
-$as_echo "$IPPSAMPLES" >&6; }
+	{ echo "$as_me:$LINENO: result: $IPPSAMPLES" >&5
+echo "${ECHO_T}$IPPSAMPLES" >&6; }
     fi
 
     if test x$IPPSAMPLES = x; then
-	as_fn_error "the location is neither specified nor can be guessed. Please specify with IPPSAMPLES env var or with --with-ipp-samples option" "$LINENO" 5
+	{ { echo "$as_me:$LINENO: error: the location is neither specified nor can be guessed. Please specify with IPPSAMPLES env var or with --with-ipp-samples option" >&5
+echo "$as_me: error: the location is neither specified nor can be guessed. Please specify with IPPSAMPLES env var or with --with-ipp-samples option" >&2;}
+   { (exit 1); exit 1; }; }
     elif test ! -d $IPPSAMPLES; then
-	as_fn_error "not found" "$LINENO" 5
+	{ { echo "$as_me:$LINENO: error: not found" >&5
+echo "$as_me: error: not found" >&2;}
+   { (exit 1); exit 1; }; }
     elif test ! -d $IPPSAMPLES/speech-codecs; then
-	as_fn_error "directory doesn't seem to be valid" "$LINENO" 5
+	{ { echo "$as_me:$LINENO: error: directory doesn't seem to be valid" >&5
+echo "$as_me: error: directory doesn't seem to be valid" >&2;}
+   { (exit 1); exit 1; }; }
     else
 	# Remove trailing backslash
 	IPPSAMPLES=`echo $IPPSAMPLES | sed 's/\/$//'`
 
 	# Guess the libusc.a/libspeech.a build location
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking Intel IPP USC build location" >&5
-$as_echo_n "checking Intel IPP USC build location... " >&6; }
+	{ echo "$as_me:$LINENO: checking Intel IPP USC build location" >&5
+echo $ECHO_N "checking Intel IPP USC build location... $ECHO_C" >&6; }
 	if test -d $IPPSAMPLES/speech-codecs/bin; then
 	    IPPVER=5
 	    IPPSAMP_DIR=`ls -d $IPPSAMPLES/speech-codecs/bin/*gcc*/lib | head -1`
@@ -6590,24 +12970,27 @@
 		# icc compiler
 	    	IPPSAMP_DIR=`ls -d $IPPSAMPLES/speech-codecs/_bin/*icc*/lib | head -1`
 	    else
-		{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "Unable to find to find built binaries under $IPPSAMPLES/speech-codecs/{bin,_bin}. Have you built the IPP samples?
-See \`config.log' for more details." "$LINENO" 5; }
+		{ { echo "$as_me:$LINENO: error: Unable to find to find built binaries under $IPPSAMPLES/speech-codecs/{bin,_bin}. Have you built the IPP samples?
+See \`config.log' for more details." >&5
+echo "$as_me: error: Unable to find to find built binaries under $IPPSAMPLES/speech-codecs/{bin,_bin}. Have you built the IPP samples?
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
 	    fi
 	else
-	    { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "unable to find $IPPSAMPLES/speech-codecs/bin/*gcc*/lib or $IPPSAMPLES/speech-codecs/_bin/*gcc*/lib directory. Have you built the samples?
-See \`config.log' for more details." "$LINENO" 5; }
+	    { { echo "$as_me:$LINENO: error: unable to find $IPPSAMPLES/speech-codecs/bin/*gcc*/lib or $IPPSAMPLES/speech-codecs/_bin/*gcc*/lib directory. Have you built the samples?
+See \`config.log' for more details." >&5
+echo "$as_me: error: unable to find $IPPSAMPLES/speech-codecs/bin/*gcc*/lib or $IPPSAMPLES/speech-codecs/_bin/*gcc*/lib directory. Have you built the samples?
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
 	fi
 
 	# Test the directory
 	if test ! -d $IPPSAMP_DIR; then
-	    { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "There's something wrong with this script, directory $IPPSAMP_DIR does not exist
-See \`config.log' for more details." "$LINENO" 5; }
+	    { { echo "$as_me:$LINENO: error: There's something wrong with this script, directory $IPPSAMP_DIR does not exist
+See \`config.log' for more details." >&5
+echo "$as_me: error: There's something wrong with this script, directory $IPPSAMP_DIR does not exist
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
 	    exit 1;
 	fi
 
@@ -6618,21 +13001,23 @@
 	    IPPSAMP_LIBS="libspeech.a"
 	    IPPSAMP_LDLIBS="-lspeech"
 	else
-	    { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "bug in this script: unsupported IPP version
-See \`config.log' for more details." "$LINENO" 5; }
+	    { { echo "$as_me:$LINENO: error: bug in this script: unsupported IPP version
+See \`config.log' for more details." >&5
+echo "$as_me: error: bug in this script: unsupported IPP version
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
 	fi
 
 	if test ! -f $IPPSAMP_DIR/$IPPSAMP_LIBS; then
-	    { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "$IPPSAMP_LIBS doesn't exist in $IPPSAMP_DIR
-See \`config.log' for more details." "$LINENO" 5; }
+	    { { echo "$as_me:$LINENO: error: $IPPSAMP_LIBS doesn't exist in $IPPSAMP_DIR
+See \`config.log' for more details." >&5
+echo "$as_me: error: $IPPSAMP_LIBS doesn't exist in $IPPSAMP_DIR
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
 	fi
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $IPPSAMP_DIR" >&5
-$as_echo "$IPPSAMP_DIR" >&6; }
+	{ echo "$as_me:$LINENO: result: $IPPSAMP_DIR" >&5
+echo "${ECHO_T}$IPPSAMP_DIR" >&6; }
 
 	SAVED_CFLAGS="$CFLAGS"
 	SAVED_LDFLAGS="$LDFLAGS"
@@ -6643,9 +13028,13 @@
 	LDFLAGS="$LDFLAGS -L$IPPSAMP_DIR"
 	LIBS="$IPPSAMP_LDLIBS $LIBS"
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking Intel IPP USC usability" >&5
-$as_echo_n "checking Intel IPP USC usability... " >&6; }
-	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+	{ echo "$as_me:$LINENO: checking Intel IPP USC usability" >&5
+echo $ECHO_N "checking Intel IPP USC usability... $ECHO_C" >&6; }
+	cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <usc.h>
 
@@ -6657,17 +13046,39 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5
-$as_echo "ok" >&6; }
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  { echo "$as_me:$LINENO: result: ok" >&5
+echo "${ECHO_T}ok" >&6; }
 else
-  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "failed
-See \`config.log' for more details." "$LINENO" 5; }
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ { echo "$as_me:$LINENO: error: failed
+See \`config.log' for more details." >&5
+echo "$as_me: error: failed
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 
 	CFLAGS="$SAVED_CFLAGS"
 	LDFLAGS="$IPP_LDFLAGS $SAVED_LDFLAGS"
@@ -6687,43 +13098,171 @@
 export IPP_LDFLAGS=$IPP_LDFLAGS\n\
 export IPP_LIBS=$IPP_LIBS"
 else
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: Skipping Intel IPP settings (not wanted)" >&5
-$as_echo "Skipping Intel IPP settings (not wanted)" >&6; }
+    { echo "$as_me:$LINENO: result: Skipping Intel IPP settings (not wanted)" >&5
+echo "${ECHO_T}Skipping Intel IPP settings (not wanted)" >&6; }
 fi
 
 
 
 
 # Check whether --enable-ssl was given.
-if test "${enable_ssl+set}" = set; then :
+if test "${enable_ssl+set}" = set; then
   enableval=$enable_ssl;
 		if test "$enable_ssl" = "no"; then
 		 ac_no_ssl=1
-		 { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if SSL support is disabled... yes" >&5
-$as_echo "Checking if SSL support is disabled... yes" >&6; }
+		 { echo "$as_me:$LINENO: result: Checking if SSL support is disabled... yes" >&5
+echo "${ECHO_T}Checking if SSL support is disabled... yes" >&6; }
 	        fi
 
 else
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: checking for OpenSSL installations.." >&5
-$as_echo "checking for OpenSSL installations.." >&6; }
+		{ echo "$as_me:$LINENO: result: checking for OpenSSL installations.." >&5
+echo "${ECHO_T}checking for OpenSSL installations.." >&6; }
 
 
 
-		ac_fn_c_check_header_mongrel "$LINENO" "openssl/ssl.h" "ac_cv_header_openssl_ssl_h" "$ac_includes_default"
-if test "x$ac_cv_header_openssl_ssl_h" = x""yes; then :
+		if test "${ac_cv_header_openssl_ssl_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for openssl/ssl.h" >&5
+echo $ECHO_N "checking for openssl/ssl.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_openssl_ssl_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_openssl_ssl_h" >&5
+echo "${ECHO_T}$ac_cv_header_openssl_ssl_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking openssl/ssl.h usability" >&5
+echo $ECHO_N "checking openssl/ssl.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <openssl/ssl.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking openssl/ssl.h presence" >&5
+echo $ECHO_N "checking openssl/ssl.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <openssl/ssl.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: openssl/ssl.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: openssl/ssl.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: openssl/ssl.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: openssl/ssl.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: openssl/ssl.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: openssl/ssl.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: openssl/ssl.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: openssl/ssl.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: openssl/ssl.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: openssl/ssl.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: openssl/ssl.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: openssl/ssl.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: openssl/ssl.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: openssl/ssl.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: openssl/ssl.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: openssl/ssl.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for openssl/ssl.h" >&5
+echo $ECHO_N "checking for openssl/ssl.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_openssl_ssl_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_openssl_ssl_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_openssl_ssl_h" >&5
+echo "${ECHO_T}$ac_cv_header_openssl_ssl_h" >&6; }
+
+fi
+if test $ac_cv_header_openssl_ssl_h = yes; then
   openssl_h_present=1
 fi
 
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ERR_load_BIO_strings in -lcrypto" >&5
-$as_echo_n "checking for ERR_load_BIO_strings in -lcrypto... " >&6; }
-if test "${ac_cv_lib_crypto_ERR_load_BIO_strings+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+		{ echo "$as_me:$LINENO: checking for ERR_load_BIO_strings in -lcrypto" >&5
+echo $ECHO_N "checking for ERR_load_BIO_strings in -lcrypto... $ECHO_C" >&6; }
+if test "${ac_cv_lib_crypto_ERR_load_BIO_strings+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lcrypto  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -6741,29 +13280,54 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_crypto_ERR_load_BIO_strings=yes
 else
-  ac_cv_lib_crypto_ERR_load_BIO_strings=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_crypto_ERR_load_BIO_strings=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypto_ERR_load_BIO_strings" >&5
-$as_echo "$ac_cv_lib_crypto_ERR_load_BIO_strings" >&6; }
-if test "x$ac_cv_lib_crypto_ERR_load_BIO_strings" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_crypto_ERR_load_BIO_strings" >&5
+echo "${ECHO_T}$ac_cv_lib_crypto_ERR_load_BIO_strings" >&6; }
+if test $ac_cv_lib_crypto_ERR_load_BIO_strings = yes; then
   libcrypto_present=1 && LIBS="$LIBS -lcrypto"
 fi
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for SSL_library_init in -lssl" >&5
-$as_echo_n "checking for SSL_library_init in -lssl... " >&6; }
-if test "${ac_cv_lib_ssl_SSL_library_init+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+		{ echo "$as_me:$LINENO: checking for SSL_library_init in -lssl" >&5
+echo $ECHO_N "checking for SSL_library_init in -lssl... $ECHO_C" >&6; }
+if test "${ac_cv_lib_ssl_SSL_library_init+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lssl  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -6781,31 +13345,287 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_ssl_SSL_library_init=yes
 else
-  ac_cv_lib_ssl_SSL_library_init=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_ssl_SSL_library_init=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ssl_SSL_library_init" >&5
-$as_echo "$ac_cv_lib_ssl_SSL_library_init" >&6; }
-if test "x$ac_cv_lib_ssl_SSL_library_init" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_ssl_SSL_library_init" >&5
+echo "${ECHO_T}$ac_cv_lib_ssl_SSL_library_init" >&6; }
+if test $ac_cv_lib_ssl_SSL_library_init = yes; then
   libssl_present=1 && LIBS="$LIBS -lssl"
 fi
 
 		if test "x$openssl_h_present" = "x1" -a "x$libssl_present" = "x1" -a "x$libcrypto_present" = "x1"; then
-	        	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: OpenSSL library found, SSL support enabled" >&5
-$as_echo "OpenSSL library found, SSL support enabled" >&6; }
+	        	{ echo "$as_me:$LINENO: result: OpenSSL library found, SSL support enabled" >&5
+echo "${ECHO_T}OpenSSL library found, SSL support enabled" >&6; }
 			# PJSIP_HAS_TLS_TRANSPORT setting follows PJ_HAS_SSL_SOCK
 			#AC_DEFINE(PJSIP_HAS_TLS_TRANSPORT, 1)
-			$as_echo "#define PJ_HAS_SSL_SOCK 1" >>confdefs.h
+			cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SSL_SOCK 1
+_ACEOF
 
 		else
-			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ** OpenSSL libraries not found, disabling SSL support **" >&5
-$as_echo "** OpenSSL libraries not found, disabling SSL support **" >&6; }
+			{ echo "$as_me:$LINENO: result: ** OpenSSL libraries not found, disabling SSL support **" >&5
+echo "${ECHO_T}** OpenSSL libraries not found, disabling SSL support **" >&6; }
+		fi
+
+fi
+
+
+
+# Check whether --enable-opencore_amrnb was given.
+if test "${enable_opencore_amrnb+set}" = set; then
+  enableval=$enable_opencore_amrnb;
+		if test "$enable_opencore_amrnb" = "no"; then
+		 ac_no_opencore_amrnb=1
+		 cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_HAS_OPENCORE_AMRNB_CODEC 0
+_ACEOF
+
+		 { echo "$as_me:$LINENO: result: Checking if OpenCORE AMR-NB support is disabled... yes" >&5
+echo "${ECHO_T}Checking if OpenCORE AMR-NB support is disabled... yes" >&6; }
+	        fi
+
+else
+
+		{ echo "$as_me:$LINENO: result: checking for OpenCORE AMR-NB installations.." >&5
+echo "${ECHO_T}checking for OpenCORE AMR-NB installations.." >&6; }
+
+
+		if test "${ac_cv_header_opencore_amrnb_interf_enc_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for opencore-amrnb/interf_enc.h" >&5
+echo $ECHO_N "checking for opencore-amrnb/interf_enc.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_opencore_amrnb_interf_enc_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_opencore_amrnb_interf_enc_h" >&5
+echo "${ECHO_T}$ac_cv_header_opencore_amrnb_interf_enc_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking opencore-amrnb/interf_enc.h usability" >&5
+echo $ECHO_N "checking opencore-amrnb/interf_enc.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <opencore-amrnb/interf_enc.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking opencore-amrnb/interf_enc.h presence" >&5
+echo $ECHO_N "checking opencore-amrnb/interf_enc.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <opencore-amrnb/interf_enc.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: opencore-amrnb/interf_enc.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: opencore-amrnb/interf_enc.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: opencore-amrnb/interf_enc.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: opencore-amrnb/interf_enc.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: opencore-amrnb/interf_enc.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: opencore-amrnb/interf_enc.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: opencore-amrnb/interf_enc.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: opencore-amrnb/interf_enc.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: opencore-amrnb/interf_enc.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: opencore-amrnb/interf_enc.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: opencore-amrnb/interf_enc.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: opencore-amrnb/interf_enc.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: opencore-amrnb/interf_enc.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: opencore-amrnb/interf_enc.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: opencore-amrnb/interf_enc.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: opencore-amrnb/interf_enc.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for opencore-amrnb/interf_enc.h" >&5
+echo $ECHO_N "checking for opencore-amrnb/interf_enc.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_opencore_amrnb_interf_enc_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_opencore_amrnb_interf_enc_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_opencore_amrnb_interf_enc_h" >&5
+echo "${ECHO_T}$ac_cv_header_opencore_amrnb_interf_enc_h" >&6; }
+
+fi
+if test $ac_cv_header_opencore_amrnb_interf_enc_h = yes; then
+  opencore_amrnb_h_present=1
+fi
+
+
+		{ echo "$as_me:$LINENO: checking for Encoder_Interface_init in -lopencore-amrnb" >&5
+echo $ECHO_N "checking for Encoder_Interface_init in -lopencore-amrnb... $ECHO_C" >&6; }
+if test "${ac_cv_lib_opencore_amrnb_Encoder_Interface_init+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lopencore-amrnb  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char Encoder_Interface_init ();
+int
+main ()
+{
+return Encoder_Interface_init ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  ac_cv_lib_opencore_amrnb_Encoder_Interface_init=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_opencore_amrnb_Encoder_Interface_init=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_opencore_amrnb_Encoder_Interface_init" >&5
+echo "${ECHO_T}$ac_cv_lib_opencore_amrnb_Encoder_Interface_init" >&6; }
+if test $ac_cv_lib_opencore_amrnb_Encoder_Interface_init = yes; then
+  opencore_amrnb_present=1 && LIBS="$LIBS -lopencore-amrnb"
+fi
+
+		if test "x$opencore_amrnb_h_present" = "x1" -a "x$opencore_amrnb_present" = "x1"; then
+	        	{ echo "$as_me:$LINENO: result: OpenCORE AMR-NB library found, AMR-NB support enabled" >&5
+echo "${ECHO_T}OpenCORE AMR-NB library found, AMR-NB support enabled" >&6; }
+	        	cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_HAS_OPENCORE_AMRNB_CODEC 1
+_ACEOF
+
+		else
+			ac_no_opencore_amrnb=1
+			cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_HAS_OPENCORE_AMRNB_CODEC 0
+_ACEOF
+
 		fi
 
 fi
@@ -6814,74 +13634,94 @@
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if select() needs correct nfds" >&5
-$as_echo_n "checking if select() needs correct nfds... " >&6; }
+{ echo "$as_me:$LINENO: checking if select() needs correct nfds" >&5
+echo $ECHO_N "checking if select() needs correct nfds... $ECHO_C" >&6; }
 case $target in
-  *rtems*) $as_echo "#define PJ_SELECT_NEEDS_NFDS 1" >>confdefs.h
+  *rtems*) cat >>confdefs.h <<\_ACEOF
+#define PJ_SELECT_NEEDS_NFDS 1
+_ACEOF
 
-	   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+	   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
 	;;
-  *) $as_echo "#define PJ_SELECT_NEEDS_NFDS 0" >>confdefs.h
+  *) cat >>confdefs.h <<\_ACEOF
+#define PJ_SELECT_NEEDS_NFDS 0
+_ACEOF
 
-     { $as_echo "$as_me:${as_lineno-$LINENO}: result: no (default)" >&5
-$as_echo "no (default)" >&6; }
-     { $as_echo "$as_me:${as_lineno-$LINENO}: result: ** Decided that select() doesn't need correct nfds (please check)" >&5
-$as_echo "** Decided that select() doesn't need correct nfds (please check)" >&6; }
+     { echo "$as_me:$LINENO: result: no (default)" >&5
+echo "${ECHO_T}no (default)" >&6; }
+     { echo "$as_me:$LINENO: result: ** Decided that select() doesn't need correct nfds (please check)" >&5
+echo "${ECHO_T}** Decided that select() doesn't need correct nfds (please check)" >&6; }
 	;;
 esac
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if pj_thread_create() should enforce stack size" >&5
-$as_echo_n "checking if pj_thread_create() should enforce stack size... " >&6; }
+{ echo "$as_me:$LINENO: checking if pj_thread_create() should enforce stack size" >&5
+echo $ECHO_N "checking if pj_thread_create() should enforce stack size... $ECHO_C" >&6; }
 case $target in
-  *rtems*) $as_echo "#define PJ_THREAD_SET_STACK_SIZE 1" >>confdefs.h
+  *rtems*) cat >>confdefs.h <<\_ACEOF
+#define PJ_THREAD_SET_STACK_SIZE 1
+_ACEOF
 
-	   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+	   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
 	;;
-  *) $as_echo "#define PJ_THREAD_SET_STACK_SIZE 0" >>confdefs.h
+  *) cat >>confdefs.h <<\_ACEOF
+#define PJ_THREAD_SET_STACK_SIZE 0
+_ACEOF
 
-     { $as_echo "$as_me:${as_lineno-$LINENO}: result: no (default)" >&5
-$as_echo "no (default)" >&6; }
+     { echo "$as_me:$LINENO: result: no (default)" >&5
+echo "${ECHO_T}no (default)" >&6; }
 	;;
 esac
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if pj_thread_create() should allocate stack" >&5
-$as_echo_n "checking if pj_thread_create() should allocate stack... " >&6; }
+{ echo "$as_me:$LINENO: checking if pj_thread_create() should allocate stack" >&5
+echo $ECHO_N "checking if pj_thread_create() should allocate stack... $ECHO_C" >&6; }
 case $target in
-  *rtems*) $as_echo "#define PJ_THREAD_ALLOCATE_STACK 1" >>confdefs.h
+  *rtems*) cat >>confdefs.h <<\_ACEOF
+#define PJ_THREAD_ALLOCATE_STACK 1
+_ACEOF
 
-	   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+	   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
 	;;
-  *) $as_echo "#define PJ_THREAD_ALLOCATE_STACK 0" >>confdefs.h
+  *) cat >>confdefs.h <<\_ACEOF
+#define PJ_THREAD_ALLOCATE_STACK 0
+_ACEOF
 
-     { $as_echo "$as_me:${as_lineno-$LINENO}: result: no (default)" >&5
-$as_echo "no (default)" >&6; }
+     { echo "$as_me:$LINENO: result: no (default)" >&5
+echo "${ECHO_T}no (default)" >&6; }
 	;;
 esac
 
 case $target in
   *mingw* | *cygw* | *win32* | *w32* )
-	$as_echo "#define PJ_BLOCKING_ERROR_VAL WSAEWOULDBLOCK" >>confdefs.h
+	cat >>confdefs.h <<\_ACEOF
+#define PJ_BLOCKING_ERROR_VAL WSAEWOULDBLOCK
+_ACEOF
 
 	;;
-  *) $as_echo "#define PJ_BLOCKING_ERROR_VAL EAGAIN" >>confdefs.h
+  *) cat >>confdefs.h <<\_ACEOF
+#define PJ_BLOCKING_ERROR_VAL EAGAIN
+_ACEOF
 
-     { $as_echo "$as_me:${as_lineno-$LINENO}: result: ** Setting non-blocking recv() retval to EAGAIN (please check)" >&5
-$as_echo "** Setting non-blocking recv() retval to EAGAIN (please check)" >&6; }
+     { echo "$as_me:$LINENO: result: ** Setting non-blocking recv() retval to EAGAIN (please check)" >&5
+echo "${ECHO_T}** Setting non-blocking recv() retval to EAGAIN (please check)" >&6; }
 	;;
 esac
 
 case $target in
   *mingw* | *cygw* | *win32* | *w32* )
-	$as_echo "#define PJ_BLOCKING_CONNECT_ERROR_VAL WSAEWOULDBLOCK" >>confdefs.h
+	cat >>confdefs.h <<\_ACEOF
+#define PJ_BLOCKING_CONNECT_ERROR_VAL WSAEWOULDBLOCK
+_ACEOF
 
 	;;
-  *) $as_echo "#define PJ_BLOCKING_CONNECT_ERROR_VAL EINPROGRESS" >>confdefs.h
+  *) cat >>confdefs.h <<\_ACEOF
+#define PJ_BLOCKING_CONNECT_ERROR_VAL EINPROGRESS
+_ACEOF
 
-     { $as_echo "$as_me:${as_lineno-$LINENO}: result: ** Setting non-blocking connect() retval to EINPROGRESS (please check)" >&5
-$as_echo "** Setting non-blocking connect() retval to EINPROGRESS (please check)" >&6; }
+     { echo "$as_me:$LINENO: result: ** Setting non-blocking connect() retval to EINPROGRESS (please check)" >&5
+echo "${ECHO_T}** Setting non-blocking connect() retval to EINPROGRESS (please check)" >&6; }
 	;;
 esac
 
@@ -6936,13 +13776,12 @@
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      *_cv_*) { echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
+echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
-      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
-      *) { eval $ac_var=; unset $ac_var;} ;;
+      *) $as_unset $ac_var ;;
       esac ;;
     esac
   done
@@ -6950,8 +13789,8 @@
   (set) 2>&1 |
     case $as_nl`(ac_space=' '; set) 2>&1` in #(
     *${as_nl}ac_space=\ *)
-      # `set' does not quote correctly, so add quotes: double-quote
-      # substitution turns \\\\ into \\, and sed turns \\ into \.
+      # `set' does not quote correctly, so add quotes (double-quote
+      # substitution turns \\\\ into \\, and sed turns \\ into \).
       sed -n \
 	"s/'/'\\\\''/g;
 	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
@@ -6974,12 +13813,12 @@
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
     test "x$cache_file" != "x/dev/null" &&
-      { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
-$as_echo "$as_me: updating cache $cache_file" >&6;}
+      { echo "$as_me:$LINENO: updating cache $cache_file" >&5
+echo "$as_me: updating cache $cache_file" >&6;}
     cat confcache >$cache_file
   else
-    { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
-$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
+    { echo "$as_me:$LINENO: not updating unwritable cache $cache_file" >&5
+echo "$as_me: not updating unwritable cache $cache_file" >&6;}
   fi
 fi
 rm -f confcache
@@ -6995,11 +13834,11 @@
 for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
   # 1. Remove the extension, and $U if already installed.
   ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
-  ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
+  ac_i=`echo "$ac_i" | sed "$ac_script"`
   # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
   #    will be set to the directory where LIBOBJS objects are built.
-  as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
-  as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'
+  ac_libobjs="$ac_libobjs \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+  ac_ltlibobjs="$ac_ltlibobjs \${LIBOBJDIR}$ac_i"'$U.lo'
 done
 LIBOBJS=$ac_libobjs
 
@@ -7007,15 +13846,12 @@
 
 
 
-
 : ${CONFIG_STATUS=./config.status}
-ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
-$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
-as_write_fail=0
-cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
+{ echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5
+echo "$as_me: creating $CONFIG_STATUS" >&6;}
+cat >$CONFIG_STATUS <<_ACEOF
 #! $SHELL
 # Generated by $as_me.
 # Run this file to recreate the current configuration.
@@ -7025,79 +13861,59 @@
 debug=false
 ac_cs_recheck=false
 ac_cs_silent=false
-
 SHELL=\${CONFIG_SHELL-$SHELL}
-export SHELL
-_ASEOF
-cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
-## -------------------- ##
-## M4sh Initialization. ##
-## -------------------- ##
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+## --------------------- ##
+## M4sh Initialization.  ##
+## --------------------- ##
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
   emulate sh
   NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
 else
-  case `(set -o) 2>/dev/null` in #(
-  *posix*) :
-    set -o posix ;; #(
-  *) :
-     ;;
+  case `(set -o) 2>/dev/null` in
+  *posix*) set -o posix ;;
 esac
+
 fi
 
 
-as_nl='
-'
-export as_nl
-# Printing a long string crashes Solaris 7 /usr/bin/printf.
-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-# Prefer a ksh shell builtin over an external printf program on Solaris,
-# but without wasting forks for bash or zsh.
-if test -z "$BASH_VERSION$ZSH_VERSION" \
-    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='print -r --'
-  as_echo_n='print -rn --'
-elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='printf %s\n'
-  as_echo_n='printf %s'
-else
-  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
-    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
-    as_echo_n='/usr/ucb/echo -n'
-  else
-    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
-    as_echo_n_body='eval
-      arg=$1;
-      case $arg in #(
-      *"$as_nl"*)
-	expr "X$arg" : "X\\(.*\\)$as_nl";
-	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
-      esac;
-      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
-    '
-    export as_echo_n_body
-    as_echo_n='sh -c $as_echo_n_body as_echo'
-  fi
-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
-fi
+
+
+# PATH needs CR
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
 
 # The user is always right.
 if test "${PATH_SEPARATOR+set}" != set; then
-  PATH_SEPARATOR=:
-  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
-    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
-      PATH_SEPARATOR=';'
-  }
+  echo "#! /bin/sh" >conf$$.sh
+  echo  "exit 0"   >>conf$$.sh
+  chmod +x conf$$.sh
+  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+    PATH_SEPARATOR=';'
+  else
+    PATH_SEPARATOR=:
+  fi
+  rm -f conf$$.sh
+fi
+
+# Support unset when possible.
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  as_unset=unset
+else
+  as_unset=false
 fi
 
 
@@ -7106,18 +13922,20 @@
 # there to prevent editors from complaining about space-tab.
 # (If _AS_PATH_WALK were called with IFS unset, it would disable word
 # splitting by setting IFS to empty value.)
+as_nl='
+'
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
-case $0 in #((
+case $0 in
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-  done
+  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+done
 IFS=$as_save_IFS
 
      ;;
@@ -7128,111 +13946,32 @@
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  exit 1
+  echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  { (exit 1); exit 1; }
 fi
 
-# Unset variables that we do not need and which cause bugs (e.g. in
-# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
-# suppresses any "Segmentation fault" message there.  '((' could
-# trigger a bug in pdksh 5.2.14.
-for as_var in BASH_ENV ENV MAIL MAILPATH
-do eval test x\${$as_var+set} = xset \
-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+# Work around bugs in pre-3.0 UWIN ksh.
+for as_var in ENV MAIL MAILPATH
+do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
 done
 PS1='$ '
 PS2='> '
 PS4='+ '
 
 # NLS nuisances.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
-
-# CDPATH.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
-
-
-# as_fn_error ERROR [LINENO LOG_FD]
-# ---------------------------------
-# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
-# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
-# script with status $?, using 1 if that was 0.
-as_fn_error ()
-{
-  as_status=$?; test $as_status -eq 0 && as_status=1
-  if test "$3"; then
-    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
+for as_var in \
+  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
+  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
+  LC_TELEPHONE LC_TIME
+do
+  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
+    eval $as_var=C; export $as_var
+  else
+    ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
   fi
-  $as_echo "$as_me: error: $1" >&2
-  as_fn_exit $as_status
-} # as_fn_error
+done
 
-
-# as_fn_set_status STATUS
-# -----------------------
-# Set $? to STATUS, without forking.
-as_fn_set_status ()
-{
-  return $1
-} # as_fn_set_status
-
-# as_fn_exit STATUS
-# -----------------
-# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
-as_fn_exit ()
-{
-  set +e
-  as_fn_set_status $1
-  exit $1
-} # as_fn_exit
-
-# as_fn_unset VAR
-# ---------------
-# Portably unset VAR.
-as_fn_unset ()
-{
-  { eval $1=; unset $1;}
-}
-as_unset=as_fn_unset
-# as_fn_append VAR VALUE
-# ----------------------
-# Append the text in VALUE to the end of the definition contained in VAR. Take
-# advantage of any shell optimizations that allow amortized linear growth over
-# repeated appends, instead of the typical quadratic growth present in naive
-# implementations.
-if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
-  eval 'as_fn_append ()
-  {
-    eval $1+=\$2
-  }'
-else
-  as_fn_append ()
-  {
-    eval $1=\$$1\$2
-  }
-fi # as_fn_append
-
-# as_fn_arith ARG...
-# ------------------
-# Perform arithmetic evaluation on the ARGs, and store the result in the
-# global $as_val. Take advantage of shells that can avoid forks. The arguments
-# must be portable across $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
-  eval 'as_fn_arith ()
-  {
-    as_val=$(( $* ))
-  }'
-else
-  as_fn_arith ()
-  {
-    as_val=`expr "$@" || test $? -eq 1`
-  }
-fi # as_fn_arith
-
-
+# Required to use basename.
 if expr a : '\(a\)' >/dev/null 2>&1 &&
    test "X`expr 00001 : '.*\(...\)'`" = X001; then
   as_expr=expr
@@ -7246,17 +13985,13 @@
   as_basename=false
 fi
 
-if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
-  as_dirname=dirname
-else
-  as_dirname=false
-fi
 
+# Name of the executable.
 as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
 	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
+echo X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -7271,103 +14006,104 @@
 	  }
 	  s/.*/./; q'`
 
-# Avoid depending upon Character Ranges.
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
+# CDPATH.
+$as_unset CDPATH
+
+
+
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
+
+  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
+  # uniformly replaced by the line number.  The first 'sed' inserts a
+  # line-number line after each line using $LINENO; the second 'sed'
+  # does the real work.  The second script uses 'N' to pair each
+  # line-number line with the line containing $LINENO, and appends
+  # trailing '-' during substitution so that $LINENO is not a special
+  # case at line end.
+  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
+  # scripts with optimization help from Paolo Bonzini.  Blame Lee
+  # E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
+   { (exit 1); exit 1; }; }
+
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
 
 ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in #(((((
+case `echo -n x` in
 -n*)
-  case `echo 'xy\c'` in
+  case `echo 'x\c'` in
   *c*) ECHO_T='	';;	# ECHO_T is single tab character.
-  xy)  ECHO_C='\c';;
-  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
-       ECHO_T='	';;
+  *)   ECHO_C='\c';;
   esac;;
 *)
   ECHO_N='-n';;
 esac
 
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
 else
   rm -f conf$$.dir
-  mkdir conf$$.dir 2>/dev/null
+  mkdir conf$$.dir
 fi
-if (echo >conf$$.file) 2>/dev/null; then
-  if ln -s conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s='ln -s'
-    # ... but there are two gotchas:
-    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -p'.
-    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -p'
-  elif ln conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s=ln
-  else
+echo >conf$$.file
+if ln -s conf$$.file conf$$ 2>/dev/null; then
+  as_ln_s='ln -s'
+  # ... but there are two gotchas:
+  # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+  # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+  # In both cases, we have to default to `cp -p'.
+  ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
     as_ln_s='cp -p'
-  fi
+elif ln conf$$.file conf$$ 2>/dev/null; then
+  as_ln_s=ln
 else
   as_ln_s='cp -p'
 fi
 rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
 rmdir conf$$.dir 2>/dev/null
 
-
-# as_fn_mkdir_p
-# -------------
-# Create "$as_dir" as a directory, including parents if necessary.
-as_fn_mkdir_p ()
-{
-
-  case $as_dir in #(
-  -*) as_dir=./$as_dir;;
-  esac
-  test -d "$as_dir" || eval $as_mkdir_p || {
-    as_dirs=
-    while :; do
-      case $as_dir in #(
-      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
-      *) as_qdir=$as_dir;;
-      esac
-      as_dirs="'$as_qdir' $as_dirs"
-      as_dir=`$as_dirname -- "$as_dir" ||
-$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$as_dir" : 'X\(//\)[^/]' \| \
-	 X"$as_dir" : 'X\(//\)$' \| \
-	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_dir" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)[^/].*/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-      test -d "$as_dir" && break
-    done
-    test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
-
-
-} # as_fn_mkdir_p
 if mkdir -p . 2>/dev/null; then
-  as_mkdir_p='mkdir -p "$as_dir"'
+  as_mkdir_p=:
 else
   test -d ./-p && rmdir ./-p
   as_mkdir_p=false
@@ -7384,12 +14120,12 @@
   as_test_x='
     eval sh -c '\''
       if test -d "$1"; then
-	test -d "$1/.";
+        test -d "$1/.";
       else
-	case $1 in #(
-	-*)set "./$1";;
+	case $1 in
+        -*)set "./$1";;
 	esac;
-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
 	???[sx]*):;;*)false;;esac;fi
     '\'' sh
   '
@@ -7404,19 +14140,13 @@
 
 
 exec 6>&1
-## ----------------------------------- ##
-## Main body of $CONFIG_STATUS script. ##
-## ----------------------------------- ##
-_ASEOF
-test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-# Save the log message, to keep $0 and so on meaningful, and to
+# Save the log message, to keep $[0] and so on meaningful, and to
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
 This file was extended by pjproject $as_me 1.x, which was
-generated by GNU Autoconf 2.65.  Invocation command line was
+generated by GNU Autoconf 2.61.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -7429,41 +14159,29 @@
 
 _ACEOF
 
-case $ac_config_files in *"
-"*) set x $ac_config_files; shift; ac_config_files=$*;;
-esac
-
-case $ac_config_headers in *"
-"*) set x $ac_config_headers; shift; ac_config_headers=$*;;
-esac
-
-
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<_ACEOF
 # Files that config.status was made for.
 config_files="$ac_config_files"
 config_headers="$ac_config_headers"
 
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<\_ACEOF
 ac_cs_usage="\
-\`$as_me' instantiates files and other configuration actions
-from templates according to the current configuration.  Unless the files
-and actions are specified as TAGs, all are instantiated by default.
+\`$as_me' instantiates files from templates according to the
+current configuration.
 
-Usage: $0 [OPTION]... [TAG]...
+Usage: $0 [OPTIONS] [FILE]...
 
   -h, --help       print this help, then exit
   -V, --version    print version number and configuration settings, then exit
-      --config     print configuration, then exit
-  -q, --quiet, --silent
-                   do not print progress messages
+  -q, --quiet      do not print progress messages
   -d, --debug      don't remove temporary files
       --recheck    update $as_me by reconfiguring in the same conditions
-      --file=FILE[:TEMPLATE]
-                   instantiate the configuration file FILE
-      --header=FILE[:TEMPLATE]
-                   instantiate the configuration header FILE
+  --file=FILE[:TEMPLATE]
+		   instantiate the configuration file FILE
+  --header=FILE[:TEMPLATE]
+		   instantiate the configuration header FILE
 
 Configuration files:
 $config_files
@@ -7471,27 +14189,26 @@
 Configuration headers:
 $config_headers
 
-Report bugs to the package provider."
+Report bugs to <bug-autoconf@gnu.org>."
 
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
+cat >>$CONFIG_STATUS <<_ACEOF
 ac_cs_version="\\
 pjproject config.status 1.x
-configured by $0, generated by GNU Autoconf 2.65,
-  with options \\"\$ac_cs_config\\"
+configured by $0, generated by GNU Autoconf 2.61,
+  with options \\"`echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
 
-Copyright (C) 2009 Free Software Foundation, Inc.
+Copyright (C) 2006 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
 ac_pwd='$ac_pwd'
 srcdir='$srcdir'
-test -n "\$AWK" || AWK=awk
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-# The default lists apply if the user does not specify any file.
+cat >>$CONFIG_STATUS <<\_ACEOF
+# If no file are specified by the user, then we need to provide default
+# value.  By we need to know if files were specified by the user.
 ac_need_defaults=:
 while test $# != 0
 do
@@ -7513,40 +14230,34 @@
   -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
     ac_cs_recheck=: ;;
   --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
-    $as_echo "$ac_cs_version"; exit ;;
-  --config | --confi | --conf | --con | --co | --c )
-    $as_echo "$ac_cs_config"; exit ;;
+    echo "$ac_cs_version"; exit ;;
   --debug | --debu | --deb | --de | --d | -d )
     debug=: ;;
   --file | --fil | --fi | --f )
     $ac_shift
-    case $ac_optarg in
-    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
-    esac
-    as_fn_append CONFIG_FILES " '$ac_optarg'"
+    CONFIG_FILES="$CONFIG_FILES $ac_optarg"
     ac_need_defaults=false;;
   --header | --heade | --head | --hea )
     $ac_shift
-    case $ac_optarg in
-    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
-    esac
-    as_fn_append CONFIG_HEADERS " '$ac_optarg'"
+    CONFIG_HEADERS="$CONFIG_HEADERS $ac_optarg"
     ac_need_defaults=false;;
   --he | --h)
     # Conflict between --help and --header
-    as_fn_error "ambiguous option: \`$1'
-Try \`$0 --help' for more information.";;
+    { echo "$as_me: error: ambiguous option: $1
+Try \`$0 --help' for more information." >&2
+   { (exit 1); exit 1; }; };;
   --help | --hel | -h )
-    $as_echo "$ac_cs_usage"; exit ;;
+    echo "$ac_cs_usage"; exit ;;
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
   | -silent | --silent | --silen | --sile | --sil | --si | --s)
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) as_fn_error "unrecognized option: \`$1'
-Try \`$0 --help' for more information." ;;
+  -*) { echo "$as_me: error: unrecognized option: $1
+Try \`$0 --help' for more information." >&2
+   { (exit 1); exit 1; }; } ;;
 
-  *) as_fn_append ac_config_targets " $1"
+  *) ac_config_targets="$ac_config_targets $1"
      ac_need_defaults=false ;;
 
   esac
@@ -7561,32 +14272,30 @@
 fi
 
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<_ACEOF
 if \$ac_cs_recheck; then
-  set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
-  shift
-  \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
-  CONFIG_SHELL='$SHELL'
+  echo "running CONFIG_SHELL=$SHELL $SHELL $0 "$ac_configure_args \$ac_configure_extra_args " --no-create --no-recursion" >&6
+  CONFIG_SHELL=$SHELL
   export CONFIG_SHELL
-  exec "\$@"
+  exec $SHELL "$0"$ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
 fi
 
 _ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<\_ACEOF
 exec 5>>config.log
 {
   echo
   sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
 ## Running $as_me. ##
 _ASBOX
-  $as_echo "$ac_log"
+  echo "$ac_log"
 } >&5
 
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<_ACEOF
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<\_ACEOF
 
 # Handling of arguments.
 for ac_config_target in $ac_config_targets
@@ -7607,7 +14316,9 @@
     "third_party/build/os-auto.mak") CONFIG_FILES="$CONFIG_FILES third_party/build/os-auto.mak" ;;
     "third_party/build/portaudio/os-auto.mak") CONFIG_FILES="$CONFIG_FILES third_party/build/portaudio/os-auto.mak" ;;
 
-  *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
+echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
+   { (exit 1); exit 1; }; };;
   esac
 done
 
@@ -7633,7 +14344,7 @@
   trap 'exit_status=$?
   { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
 ' 0
-  trap 'as_fn_exit 1' 1 2 13 15
+  trap '{ (exit 1); exit 1; }' 1 2 13 15
 }
 # Create a (secure) tmp directory for tmp files.
 
@@ -7644,140 +14355,226 @@
 {
   tmp=./conf$$-$RANDOM
   (umask 077 && mkdir "$tmp")
-} || as_fn_error "cannot create a temporary directory in ." "$LINENO" 5
+} ||
+{
+   echo "$me: cannot create a temporary directory in ." >&2
+   { (exit 1); exit 1; }
+}
 
-# Set up the scripts for CONFIG_FILES section.
-# No need to generate them if there are no CONFIG_FILES.
-# This happens for instance with `./config.status config.h'.
+#
+# Set up the sed scripts for CONFIG_FILES section.
+#
+
+# No need to generate the scripts if there are no CONFIG_FILES.
+# This happens for instance when ./config.status config.h
 if test -n "$CONFIG_FILES"; then
 
-
-ac_cr=`echo X | tr X '\015'`
-# On cygwin, bash can eat \r inside `` if the user requested igncr.
-# But we know of no other shell where ac_cr would be empty at this
-# point, so we can use a bashism as a fallback.
-if test "x$ac_cr" = x; then
-  eval ac_cr=\$\'\\r\'
-fi
-ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
-if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
-  ac_cs_awk_cr='\r'
-else
-  ac_cs_awk_cr=$ac_cr
-fi
-
-echo 'BEGIN {' >"$tmp/subs1.awk" &&
 _ACEOF
 
 
-{
-  echo "cat >conf$$subs.awk <<_ACEOF" &&
-  echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
-  echo "_ACEOF"
-} >conf$$subs.sh ||
-  as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
-ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'`
+
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
-  . ./conf$$subs.sh ||
-    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+  cat >conf$$subs.sed <<_ACEOF
+SHELL!$SHELL$ac_delim
+PATH_SEPARATOR!$PATH_SEPARATOR$ac_delim
+PACKAGE_NAME!$PACKAGE_NAME$ac_delim
+PACKAGE_TARNAME!$PACKAGE_TARNAME$ac_delim
+PACKAGE_VERSION!$PACKAGE_VERSION$ac_delim
+PACKAGE_STRING!$PACKAGE_STRING$ac_delim
+PACKAGE_BUGREPORT!$PACKAGE_BUGREPORT$ac_delim
+exec_prefix!$exec_prefix$ac_delim
+prefix!$prefix$ac_delim
+program_transform_name!$program_transform_name$ac_delim
+bindir!$bindir$ac_delim
+sbindir!$sbindir$ac_delim
+libexecdir!$libexecdir$ac_delim
+datarootdir!$datarootdir$ac_delim
+datadir!$datadir$ac_delim
+sysconfdir!$sysconfdir$ac_delim
+sharedstatedir!$sharedstatedir$ac_delim
+localstatedir!$localstatedir$ac_delim
+includedir!$includedir$ac_delim
+oldincludedir!$oldincludedir$ac_delim
+docdir!$docdir$ac_delim
+infodir!$infodir$ac_delim
+htmldir!$htmldir$ac_delim
+dvidir!$dvidir$ac_delim
+pdfdir!$pdfdir$ac_delim
+psdir!$psdir$ac_delim
+libdir!$libdir$ac_delim
+localedir!$localedir$ac_delim
+mandir!$mandir$ac_delim
+DEFS!$DEFS$ac_delim
+ECHO_C!$ECHO_C$ac_delim
+ECHO_N!$ECHO_N$ac_delim
+ECHO_T!$ECHO_T$ac_delim
+LIBS!$LIBS$ac_delim
+build_alias!$build_alias$ac_delim
+host_alias!$host_alias$ac_delim
+target_alias!$target_alias$ac_delim
+build!$build$ac_delim
+build_cpu!$build_cpu$ac_delim
+build_vendor!$build_vendor$ac_delim
+build_os!$build_os$ac_delim
+host!$host$ac_delim
+host_cpu!$host_cpu$ac_delim
+host_vendor!$host_vendor$ac_delim
+host_os!$host_os$ac_delim
+target!$target$ac_delim
+target_cpu!$target_cpu$ac_delim
+target_vendor!$target_vendor$ac_delim
+target_os!$target_os$ac_delim
+CC!$CC$ac_delim
+CFLAGS!$CFLAGS$ac_delim
+LDFLAGS!$LDFLAGS$ac_delim
+CPPFLAGS!$CPPFLAGS$ac_delim
+ac_ct_CC!$ac_ct_CC$ac_delim
+EXEEXT!$EXEEXT$ac_delim
+OBJEXT!$OBJEXT$ac_delim
+CXX!$CXX$ac_delim
+CXXFLAGS!$CXXFLAGS$ac_delim
+ac_ct_CXX!$ac_ct_CXX$ac_delim
+AR!$AR$ac_delim
+LD!$LD$ac_delim
+LDOUT!$LDOUT$ac_delim
+RANLIB!$RANLIB$ac_delim
+LIBEXT!$LIBEXT$ac_delim
+LIBEXT2!$LIBEXT2$ac_delim
+CC_OUT!$CC_OUT$ac_delim
+CC_INC!$CC_INC$ac_delim
+CC_DEF!$CC_DEF$ac_delim
+CC_OPTIMIZE!$CC_OPTIMIZE$ac_delim
+CC_CFLAGS!$CC_CFLAGS$ac_delim
+ac_pjdir!$ac_pjdir$ac_delim
+ac_build_mak_vars!$ac_build_mak_vars$ac_delim
+CPP!$CPP$ac_delim
+GREP!$GREP$ac_delim
+EGREP!$EGREP$ac_delim
+ac_os_objs!$ac_os_objs$ac_delim
+ac_external_speex!$ac_external_speex$ac_delim
+ac_external_gsm!$ac_external_gsm$ac_delim
+ac_pjmedia_snd!$ac_pjmedia_snd$ac_delim
+ac_external_pa!$ac_external_pa$ac_delim
+ac_pa_cflags!$ac_pa_cflags$ac_delim
+ac_pa_use_alsa!$ac_pa_use_alsa$ac_delim
+ac_pa_use_oss!$ac_pa_use_oss$ac_delim
+ac_pjmedia_video!$ac_pjmedia_video$ac_delim
+ac_pjmedia_video_has_ios!$ac_pjmedia_video_has_ios$ac_delim
+ac_ios_cflags!$ac_ios_cflags$ac_delim
+ac_pjmedia_video_has_qt!$ac_pjmedia_video_has_qt$ac_delim
+ac_qt_cflags!$ac_qt_cflags$ac_delim
+ac_no_small_filter!$ac_no_small_filter$ac_delim
+ac_no_large_filter!$ac_no_large_filter$ac_delim
+ac_no_speex_aec!$ac_no_speex_aec$ac_delim
+ac_no_g711_codec!$ac_no_g711_codec$ac_delim
+ac_no_l16_codec!$ac_no_l16_codec$ac_delim
+ac_no_gsm_codec!$ac_no_gsm_codec$ac_delim
+ac_no_g722_codec!$ac_no_g722_codec$ac_delim
+ac_no_g7221_codec!$ac_no_g7221_codec$ac_delim
+ac_no_speex_codec!$ac_no_speex_codec$ac_delim
+_ACEOF
 
-  ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
-  if test $ac_delim_n = $ac_delim_num; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 97; then
     break
   elif $ac_last_try; then
-    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+    { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
+echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
+   { (exit 1); exit 1; }; }
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
 done
-rm -f conf$$subs.sh
 
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
+ac_eof=`sed -n '/^CEOF[0-9]*$/s/CEOF/0/p' conf$$subs.sed`
+if test -n "$ac_eof"; then
+  ac_eof=`echo "$ac_eof" | sort -nru | sed 1q`
+  ac_eof=`expr $ac_eof + 1`
+fi
+
+cat >>$CONFIG_STATUS <<_ACEOF
+cat >"\$tmp/subs-1.sed" <<\CEOF$ac_eof
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
 _ACEOF
-sed -n '
-h
-s/^/S["/; s/!.*/"]=/
-p
-g
-s/^[^!]*!//
-:repl
-t repl
-s/'"$ac_delim"'$//
-t delim
-:nl
-h
-s/\(.\{148\}\)..*/\1/
-t more1
-s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
-p
-n
-b repl
-:more1
-s/["\\]/\\&/g; s/^/"/; s/$/"\\/
-p
-g
-s/.\{148\}//
-t nl
-:delim
-h
-s/\(.\{148\}\)..*/\1/
-t more2
-s/["\\]/\\&/g; s/^/"/; s/$/"/
-p
-b
-:more2
-s/["\\]/\\&/g; s/^/"/; s/$/"\\/
-p
-g
-s/.\{148\}//
-t delim
-' <conf$$subs.awk | sed '
-/^[^""]/{
-  N
-  s/\n//
-}
-' >>$CONFIG_STATUS || ac_write_fail=1
-rm -f conf$$subs.awk
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-_ACAWK
-cat >>"\$tmp/subs1.awk" <<_ACAWK &&
-  for (key in S) S_is_set[key] = 1
-  FS = ""
-
-}
-{
-  line = $ 0
-  nfields = split(line, field, "@")
-  substed = 0
-  len = length(field[1])
-  for (i = 2; i < nfields; i++) {
-    key = field[i]
-    keylen = length(key)
-    if (S_is_set[key]) {
-      value = S[key]
-      line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
-      len += length(value) + length(field[++i])
-      substed = 1
-    } else
-      len += 1 + keylen
-  }
-
-  print line
-}
-
-_ACAWK
+sed '
+s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g
+s/^/s,@/; s/!/@,|#_!!_#|/
+:n
+t n
+s/'"$ac_delim"'$/,g/; t
+s/$/\\/; p
+N; s/^.*\n//; s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g; b n
+' >>$CONFIG_STATUS <conf$$subs.sed
+rm -f conf$$subs.sed
+cat >>$CONFIG_STATUS <<_ACEOF
+CEOF$ac_eof
 _ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
-  sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
-else
-  cat
-fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
-  || as_fn_error "could not setup config files machinery" "$LINENO" 5
+
+
+ac_delim='%!_!# '
+for ac_last_try in false false false false false :; do
+  cat >conf$$subs.sed <<_ACEOF
+ac_no_ilbc_codec!$ac_no_ilbc_codec$ac_delim
+ac_sdl_cflags!$ac_sdl_cflags$ac_delim
+ac_sdl_ldflags!$ac_sdl_ldflags$ac_delim
+ac_has_ffmpeg!$ac_has_ffmpeg$ac_delim
+ac_ffmpeg_cflags!$ac_ffmpeg_cflags$ac_delim
+ac_ffmpeg_ldflags!$ac_ffmpeg_ldflags$ac_delim
+ac_v4l2_cflags!$ac_v4l2_cflags$ac_delim
+ac_v4l2_ldflags!$ac_v4l2_ldflags$ac_delim
+ac_no_ssl!$ac_no_ssl$ac_delim
+openssl_h_present!$openssl_h_present$ac_delim
+libssl_present!$libssl_present$ac_delim
+libcrypto_present!$libcrypto_present$ac_delim
+ac_no_opencore_amrnb!$ac_no_opencore_amrnb$ac_delim
+opencore_amrnb_h_present!$opencore_amrnb_h_present$ac_delim
+opencore_amrnb_present!$opencore_amrnb_present$ac_delim
+ac_cross_compile!$ac_cross_compile$ac_delim
+ac_linux_poll!$ac_linux_poll$ac_delim
+ac_host!$ac_host$ac_delim
+ac_main_obj!$ac_main_obj$ac_delim
+LIBOBJS!$LIBOBJS$ac_delim
+LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF
 
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 21; then
+    break
+  elif $ac_last_try; then
+    { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
+echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
+   { (exit 1); exit 1; }; }
+  else
+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+  fi
+done
+
+ac_eof=`sed -n '/^CEOF[0-9]*$/s/CEOF/0/p' conf$$subs.sed`
+if test -n "$ac_eof"; then
+  ac_eof=`echo "$ac_eof" | sort -nru | sed 1q`
+  ac_eof=`expr $ac_eof + 1`
+fi
+
+cat >>$CONFIG_STATUS <<_ACEOF
+cat >"\$tmp/subs-2.sed" <<\CEOF$ac_eof
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b end
+_ACEOF
+sed '
+s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g
+s/^/s,@/; s/!/@,|#_!!_#|/
+:n
+t n
+s/'"$ac_delim"'$/,g/; t
+s/$/\\/; p
+N; s/^.*\n//; s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g; b n
+' >>$CONFIG_STATUS <conf$$subs.sed
+rm -f conf$$subs.sed
+cat >>$CONFIG_STATUS <<_ACEOF
+:end
+s/|#_!!_#|//g
+CEOF$ac_eof
+_ACEOF
+
+
 # VPATH may cause trouble with some makes, so we remove $(srcdir),
 # ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
 # trailing colons and then remove the whole line if VPATH becomes empty
@@ -7793,128 +14590,20 @@
 }'
 fi
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<\_ACEOF
 fi # test -n "$CONFIG_FILES"
 
-# Set up the scripts for CONFIG_HEADERS section.
-# No need to generate them if there are no CONFIG_HEADERS.
-# This happens for instance with `./config.status Makefile'.
-if test -n "$CONFIG_HEADERS"; then
-cat >"$tmp/defines.awk" <<\_ACAWK ||
-BEGIN {
-_ACEOF
 
-# Transform confdefs.h into an awk script `defines.awk', embedded as
-# here-document in config.status, that substitutes the proper values into
-# config.h.in to produce config.h.
-
-# Create a delimiter string that does not exist in confdefs.h, to ease
-# handling of long lines.
-ac_delim='%!_!# '
-for ac_last_try in false false :; do
-  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
-  if test -z "$ac_t"; then
-    break
-  elif $ac_last_try; then
-    as_fn_error "could not make $CONFIG_HEADERS" "$LINENO" 5
-  else
-    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
-  fi
-done
-
-# For the awk script, D is an array of macro values keyed by name,
-# likewise P contains macro parameters if any.  Preserve backslash
-# newline sequences.
-
-ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
-sed -n '
-s/.\{148\}/&'"$ac_delim"'/g
-t rset
-:rset
-s/^[	 ]*#[	 ]*define[	 ][	 ]*/ /
-t def
-d
-:def
-s/\\$//
-t bsnl
-s/["\\]/\\&/g
-s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
-D["\1"]=" \3"/p
-s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2"/p
-d
-:bsnl
-s/["\\]/\\&/g
-s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
-D["\1"]=" \3\\\\\\n"\\/p
-t cont
-s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p
-t cont
-d
-:cont
-n
-s/.\{148\}/&'"$ac_delim"'/g
-t clear
-:clear
-s/\\$//
-t bsnlc
-s/["\\]/\\&/g; s/^/"/; s/$/"/p
-d
-:bsnlc
-s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p
-b cont
-' <confdefs.h | sed '
-s/'"$ac_delim"'/"\\\
-"/g' >>$CONFIG_STATUS || ac_write_fail=1
-
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-  for (key in D) D_is_set[key] = 1
-  FS = ""
-}
-/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {
-  line = \$ 0
-  split(line, arg, " ")
-  if (arg[1] == "#") {
-    defundef = arg[2]
-    mac1 = arg[3]
-  } else {
-    defundef = substr(arg[1], 2)
-    mac1 = arg[2]
-  }
-  split(mac1, mac2, "(") #)
-  macro = mac2[1]
-  prefix = substr(line, 1, index(line, defundef) - 1)
-  if (D_is_set[macro]) {
-    # Preserve the white space surrounding the "#".
-    print prefix "define", macro P[macro] D[macro]
-    next
-  } else {
-    # Replace #undef with comments.  This is necessary, for example,
-    # in the case of _POSIX_SOURCE, which is predefined and required
-    # on some systems where configure will not decide to define it.
-    if (defundef == "undef") {
-      print "/*", prefix defundef, macro, "*/"
-      next
-    }
-  }
-}
-{ print }
-_ACAWK
-_ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-  as_fn_error "could not setup config headers machinery" "$LINENO" 5
-fi # test -n "$CONFIG_HEADERS"
-
-
-eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS    "
-shift
-for ac_tag
+for ac_tag in  :F $CONFIG_FILES  :H $CONFIG_HEADERS
 do
   case $ac_tag in
   :[FHLC]) ac_mode=$ac_tag; continue;;
   esac
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error "invalid tag \`$ac_tag'" "$LINENO" 5;;
+  :L* | :C*:*) { { echo "$as_me:$LINENO: error: Invalid tag $ac_tag." >&5
+echo "$as_me: error: Invalid tag $ac_tag." >&2;}
+   { (exit 1); exit 1; }; };;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
   esac
@@ -7942,34 +14631,26 @@
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   as_fn_error "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+	   { { echo "$as_me:$LINENO: error: cannot find input file: $ac_f" >&5
+echo "$as_me: error: cannot find input file: $ac_f" >&2;}
+   { (exit 1); exit 1; }; };;
       esac
-      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
-      as_fn_append ac_file_inputs " '$ac_f'"
+      ac_file_inputs="$ac_file_inputs $ac_f"
     done
 
     # Let's still pretend it is `configure' which instantiates (i.e., don't
     # use $as_me), people would be surprised to read:
     #    /* config.h.  Generated by config.status.  */
-    configure_input='Generated from '`
-	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
-	`' by configure.'
+    configure_input="Generated from "`IFS=:
+	  echo $* | sed 's|^[^:]*/||;s|:[^:]*/|, |g'`" by configure."
     if test x"$ac_file" != x-; then
       configure_input="$ac_file.  $configure_input"
-      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
-$as_echo "$as_me: creating $ac_file" >&6;}
+      { echo "$as_me:$LINENO: creating $ac_file" >&5
+echo "$as_me: creating $ac_file" >&6;}
     fi
-    # Neutralize special characters interpreted by sed in replacement strings.
-    case $configure_input in #(
-    *\&* | *\|* | *\\* )
-       ac_sed_conf_input=`$as_echo "$configure_input" |
-       sed 's/[\\\\&|]/\\\\&/g'`;; #(
-    *) ac_sed_conf_input=$configure_input;;
-    esac
 
     case $ac_tag in
-    *:-:* | *:-) cat >"$tmp/stdin" \
-      || as_fn_error "could not create $ac_file" "$LINENO" 5 ;;
+    *:-:* | *:-) cat >"$tmp/stdin";;
     esac
     ;;
   esac
@@ -7979,7 +14660,7 @@
 	 X"$ac_file" : 'X\(//\)[^/]' \| \
 	 X"$ac_file" : 'X\(//\)$' \| \
 	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$ac_file" |
+echo X"$ac_file" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -7997,15 +14678,55 @@
 	    q
 	  }
 	  s/.*/./; q'`
-  as_dir="$ac_dir"; as_fn_mkdir_p
+  { as_dir="$ac_dir"
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || { $as_mkdir_p && mkdir -p "$as_dir"; } || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || { { echo "$as_me:$LINENO: error: cannot create directory $as_dir" >&5
+echo "$as_me: error: cannot create directory $as_dir" >&2;}
+   { (exit 1); exit 1; }; }; }
   ac_builddir=.
 
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,/..,g;s,/,,'`
   case $ac_top_builddir_sub in
   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
   *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
@@ -8041,12 +14762,12 @@
 
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<\_ACEOF
 # If the template does not know about datarootdir, expand it.
 # FIXME: This hack should be removed a few years after 2.60.
 ac_datarootdir_hack=; ac_datarootdir_seen=
-ac_sed_dataroot='
-/datarootdir/ {
+
+case `sed -n '/datarootdir/ {
   p
   q
 }
@@ -8054,37 +14775,36 @@
 /@docdir@/p
 /@infodir@/p
 /@localedir@/p
-/@mandir@/p'
-case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
+/@mandir@/p
+' $ac_file_inputs` in
 *datarootdir*) ac_datarootdir_seen=yes;;
 *@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
-$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+  { echo "$as_me:$LINENO: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<_ACEOF
   ac_datarootdir_hack='
   s&@datadir@&$datadir&g
   s&@docdir@&$docdir&g
   s&@infodir@&$infodir&g
   s&@localedir@&$localedir&g
   s&@mandir@&$mandir&g
-  s&\\\${datarootdir}&$datarootdir&g' ;;
+    s&\\\${datarootdir}&$datarootdir&g' ;;
 esac
 _ACEOF
 
 # Neutralize VPATH when `$srcdir' = `.'.
 # Shell code in configure.ac might set extrasub.
 # FIXME: do we really want to maintain this feature?
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-ac_sed_extra="$ac_vpsub
+cat >>$CONFIG_STATUS <<_ACEOF
+  sed "$ac_vpsub
 $extrasub
 _ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<\_ACEOF
 :t
 /@[a-zA-Z_][a-zA-Z_0-9]*@/!b
-s|@configure_input@|$ac_sed_conf_input|;t t
+s&@configure_input@&$configure_input&;t t
 s&@top_builddir@&$ac_top_builddir_sub&;t t
-s&@top_build_prefix@&$ac_top_build_prefix&;t t
 s&@srcdir@&$ac_srcdir&;t t
 s&@abs_srcdir@&$ac_abs_srcdir&;t t
 s&@top_srcdir@&$ac_top_srcdir&;t t
@@ -8093,48 +14813,119 @@
 s&@abs_builddir@&$ac_abs_builddir&;t t
 s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
 $ac_datarootdir_hack
-"
-eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
-  || as_fn_error "could not create $ac_file" "$LINENO" 5
+" $ac_file_inputs | sed -f "$tmp/subs-1.sed" | sed -f "$tmp/subs-2.sed" >$tmp/out
 
 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
   { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
   { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+  { echo "$as_me:$LINENO: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined." >&5
-$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined." >&2;}
 
   rm -f "$tmp/stdin"
   case $ac_file in
-  -) cat "$tmp/out" && rm -f "$tmp/out";;
-  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
-  esac \
-  || as_fn_error "could not create $ac_file" "$LINENO" 5
+  -) cat "$tmp/out"; rm -f "$tmp/out";;
+  *) rm -f "$ac_file"; mv "$tmp/out" $ac_file;;
+  esac
  ;;
   :H)
   #
   # CONFIG_HEADER
   #
+_ACEOF
+
+# Transform confdefs.h into a sed script `conftest.defines', that
+# substitutes the proper values into config.h.in to produce config.h.
+rm -f conftest.defines conftest.tail
+# First, append a space to every undef/define line, to ease matching.
+echo 's/$/ /' >conftest.defines
+# Then, protect against being on the right side of a sed subst, or in
+# an unquoted here document, in config.status.  If some macros were
+# called several times there might be several #defines for the same
+# symbol, which is useless.  But do not sort them, since the last
+# AC_DEFINE must be honored.
+ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
+# These sed commands are passed to sed as "A NAME B PARAMS C VALUE D", where
+# NAME is the cpp macro being defined, VALUE is the value it is being given.
+# PARAMS is the parameter list in the macro definition--in most cases, it's
+# just an empty string.
+ac_dA='s,^\\([	 #]*\\)[^	 ]*\\([	 ]*'
+ac_dB='\\)[	 (].*,\\1define\\2'
+ac_dC=' '
+ac_dD=' ,'
+
+uniq confdefs.h |
+  sed -n '
+	t rset
+	:rset
+	s/^[	 ]*#[	 ]*define[	 ][	 ]*//
+	t ok
+	d
+	:ok
+	s/[\\&,]/\\&/g
+	s/^\('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/ '"$ac_dA"'\1'"$ac_dB"'\2'"${ac_dC}"'\3'"$ac_dD"'/p
+	s/^\('"$ac_word_re"'\)[	 ]*\(.*\)/'"$ac_dA"'\1'"$ac_dB$ac_dC"'\2'"$ac_dD"'/p
+  ' >>conftest.defines
+
+# Remove the space that was appended to ease matching.
+# Then replace #undef with comments.  This is necessary, for
+# example, in the case of _POSIX_SOURCE, which is predefined and required
+# on some systems where configure will not decide to define it.
+# (The regexp can be short, since the line contains either #define or #undef.)
+echo 's/ $//
+s,^[	 #]*u.*,/* & */,' >>conftest.defines
+
+# Break up conftest.defines:
+ac_max_sed_lines=50
+
+# First sed command is:	 sed -f defines.sed $ac_file_inputs >"$tmp/out1"
+# Second one is:	 sed -f defines.sed "$tmp/out1" >"$tmp/out2"
+# Third one will be:	 sed -f defines.sed "$tmp/out2" >"$tmp/out1"
+# et cetera.
+ac_in='$ac_file_inputs'
+ac_out='"$tmp/out1"'
+ac_nxt='"$tmp/out2"'
+
+while :
+do
+  # Write a here document:
+    cat >>$CONFIG_STATUS <<_ACEOF
+    # First, check the format of the line:
+    cat >"\$tmp/defines.sed" <<\\CEOF
+/^[	 ]*#[	 ]*undef[	 ][	 ]*$ac_word_re[	 ]*/b def
+/^[	 ]*#[	 ]*define[	 ][	 ]*$ac_word_re[(	 ]/b def
+b
+:def
+_ACEOF
+  sed ${ac_max_sed_lines}q conftest.defines >>$CONFIG_STATUS
+  echo 'CEOF
+    sed -f "$tmp/defines.sed"' "$ac_in >$ac_out" >>$CONFIG_STATUS
+  ac_in=$ac_out; ac_out=$ac_nxt; ac_nxt=$ac_in
+  sed 1,${ac_max_sed_lines}d conftest.defines >conftest.tail
+  grep . conftest.tail >/dev/null || break
+  rm -f conftest.defines
+  mv conftest.tail conftest.defines
+done
+rm -f conftest.defines conftest.tail
+
+echo "ac_result=$ac_in" >>$CONFIG_STATUS
+cat >>$CONFIG_STATUS <<\_ACEOF
   if test x"$ac_file" != x-; then
-    {
-      $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
-    } >"$tmp/config.h" \
-      || as_fn_error "could not create $ac_file" "$LINENO" 5
-    if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
-$as_echo "$as_me: $ac_file is unchanged" >&6;}
+    echo "/* $configure_input  */" >"$tmp/config.h"
+    cat "$ac_result" >>"$tmp/config.h"
+    if diff $ac_file "$tmp/config.h" >/dev/null 2>&1; then
+      { echo "$as_me:$LINENO: $ac_file is unchanged" >&5
+echo "$as_me: $ac_file is unchanged" >&6;}
     else
-      rm -f "$ac_file"
-      mv "$tmp/config.h" "$ac_file" \
-	|| as_fn_error "could not create $ac_file" "$LINENO" 5
+      rm -f $ac_file
+      mv "$tmp/config.h" $ac_file
     fi
   else
-    $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
-      || as_fn_error "could not create -" "$LINENO" 5
+    echo "/* $configure_input  */"
+    cat "$ac_result"
   fi
+  rm -f "$tmp/out12"
  ;;
 
 
@@ -8143,13 +14934,11 @@
 done # for ac_tag
 
 
-as_fn_exit 0
+{ (exit 0); exit 0; }
 _ACEOF
+chmod +x $CONFIG_STATUS
 ac_clean_files=$ac_clean_files_save
 
-test $ac_write_fail = 0 ||
-  as_fn_error "write failure creating $CONFIG_STATUS" "$LINENO" 5
-
 
 # configure is writing to config.log, and then calls config.status.
 # config.status does its own redirection, appending to config.log.
@@ -8169,16 +14958,12 @@
   exec 5>>config.log
   # Use ||, not &&, to avoid exiting from the if with $? = 1, which
   # would make configure fail if this is the last instruction.
-  $ac_cs_success || as_fn_exit $?
-fi
-if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
-$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
+  $ac_cs_success || { (exit 1); exit 1; }
 fi
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result:
+{ echo "$as_me:$LINENO: result:
 
 Configurations for current target have been written to 'build.mak', and 'os-auto.mak' in various build directories, and pjlib/include/pj/compat/os_auto.h.
 
@@ -8188,7 +14973,7 @@
 
 The next step now is to run 'make dep' and 'make'.
 " >&5
-$as_echo "
+echo "${ECHO_T}
 
 Configurations for current target have been written to 'build.mak', and 'os-auto.mak' in various build directories, and pjlib/include/pj/compat/os_auto.h.
 
diff --git a/aconfigure.ac b/aconfigure.ac
index 0ce90d4..3270863 100644
--- a/aconfigure.ac
+++ b/aconfigure.ac
@@ -52,7 +52,7 @@
 AC_SUBST(AR)
 if test "$LD" = ""; then LD="$CC"; fi
 AC_SUBST(LD)
-if test "$LDOUT" = ""; then LDOUT="-o"; fi
+if test "$LDOUT" = ""; then LDOUT="-o "; fi
 AC_SUBST(LDOUT)
 if test "$RANLIB" = ""; then RANLIB="${CROSS_COMPILE}ranlib"; fi
 AC_SUBST(RANLIB)
@@ -62,7 +62,7 @@
 AC_SUBST(LIBEXT)
 if test "$LIBEXT2" = ""; then LIBEXT2=""; fi
 AC_SUBST(LIBEXT2)
-if test "$CC_OUT" = ""; then CC_OUT="-o"; fi
+if test "$CC_OUT" = ""; then CC_OUT="-o "; fi
 AC_SUBST(CC_OUT)
 if test "$CC_INC" = ""; then CC_INC="-I"; fi
 AC_SUBST(CC_INC)
@@ -127,6 +127,12 @@
 dnl
 AC_C_BIGENDIAN
 
+if test "x$ac_cv_c_bigendian" = "xyes"; then
+  CFLAGS="$CFLAGS -DPJ_IS_BIG_ENDIAN=1 -DPJ_IS_LITTLE_ENDIAN=0"
+else
+  CFLAGS="$CFLAGS -DPJ_IS_BIG_ENDIAN=0 -DPJ_IS_LITTLE_ENDIAN=1"
+fi
+
 dnl
 dnl Legacy macros
 dnl
@@ -1178,6 +1184,34 @@
 		fi
 	      ])
 
+dnl # Include opencore-amrnb support
+AC_SUBST(ac_no_opencore_amrnb)
+AC_ARG_ENABLE(opencore_amrnb,
+	      AC_HELP_STRING([--disable-opencore-amrnb],
+			     [Exclude OpenCORE AMR-NB support from the build (default: autodetect)])
+	      ,
+	      [
+		if test "$enable_opencore_amrnb" = "no"; then
+		 [ac_no_opencore_amrnb=1]
+		 AC_DEFINE(PJMEDIA_HAS_OPENCORE_AMRNB_CODEC,0)
+		 AC_MSG_RESULT([Checking if OpenCORE AMR-NB support is disabled... yes])
+	        fi
+	      ],
+	      [
+		AC_MSG_RESULT([checking for OpenCORE AMR-NB installations..])
+		AC_SUBST(opencore_amrnb_h_present)
+		AC_SUBST(opencore_amrnb_present)
+		AC_CHECK_HEADER(opencore-amrnb/interf_enc.h,[opencore_amrnb_h_present=1])
+		AC_CHECK_LIB(opencore-amrnb,Encoder_Interface_init,[opencore_amrnb_present=1 && LIBS="$LIBS -lopencore-amrnb"])
+		if test "x$opencore_amrnb_h_present" = "x1" -a "x$opencore_amrnb_present" = "x1"; then
+	        	AC_MSG_RESULT([OpenCORE AMR-NB library found, AMR-NB support enabled])
+	        	AC_DEFINE(PJMEDIA_HAS_OPENCORE_AMRNB_CODEC,1)
+		else
+			[ac_no_opencore_amrnb=1]
+			AC_DEFINE(PJMEDIA_HAS_OPENCORE_AMRNB_CODEC,0)
+		fi
+	      ])
+
 
 dnl ##########################################
 dnl #
diff --git a/configure-iphone b/configure-iphone
index 6f7a281..29dfcbc 100755
--- a/configure-iphone
+++ b/configure-iphone
@@ -71,20 +71,29 @@
 # full path as it's not normally in user's PATH
 
 if test "${CC}" = ""; then
-  for archpath in `ls -d ${SDKPATH}/usr/lib/gcc/arm-apple-darwin*`; do
-    archname=`basename ${archpath}`
-    for gccver in `ls ${archpath}`; do
-       gccpath="${DEVPATH}/usr/bin/${archname}-gcc-${gccver}"
-       if test -e ${gccpath}; then
-          export CC="${gccpath}"
-#          break
-       fi
-    done
-    if test ! "${CC}" = ""; then
-       echo "$F: CC is not specified, choosing ${CC}"
-       break
+  # Try to use llvm-gcc if available
+  gccpath="${DEVPATH}/usr/bin/llvm-gcc"
+  if test -e ${gccpath}; then
+    export CC="${gccpath}"
+
+    if test "${ARCH}" = ""; then
+       export ARCH="-arch armv7"
+       echo "$F: ARCH is not specified, choosing ${ARCH}"
     fi
-  done
+  else
+    for archpath in `ls -d ${SDKPATH}/usr/lib/gcc/arm-apple-darwin*`; do
+       archname=`basename ${archpath}`
+       for gccver in `ls ${archpath}`; do
+          gccpath="${DEVPATH}/usr/bin/${archname}-gcc-${gccver}"
+          if test -e ${gccpath}; then
+            export CC="${gccpath}"
+          fi
+       done
+    done
+  fi
+  if test ! "${CC}" = ""; then
+    echo "$F: CC is not specified, choosing ${CC}"
+  fi
 fi
 
 if test "${CC}" = ""; then
diff --git a/pjlib-util/include/pjlib-util/http_client.h b/pjlib-util/include/pjlib-util/http_client.h
index e2490e4..b75c7ea 100644
--- a/pjlib-util/include/pjlib-util/http_client.h
+++ b/pjlib-util/include/pjlib-util/http_client.h
@@ -188,6 +188,36 @@
      */
     pj_http_auth_cred	auth_cred;
 
+    /**
+     * Optional source port range to use when binding the socket.
+     * This can be used if the source port needs to be within a certain range
+     * for instance due to strict firewall settings. The port used will be
+     * randomized within the range.
+     *
+     * Note that if authentication is configured, the authentication response
+     * will be a new transaction
+     *
+     * Default is 0 (The OS will select the source port automatically)
+     */
+    pj_uint16_t		source_port_range_start;
+
+    /**
+     * Optional source port range to use when binding.
+     * The size of the port restriction range
+     *
+     * Default is 0 (The OS will select the source port automatically))
+     */
+    pj_uint16_t		source_port_range_size;
+
+    /**
+     * Max number of retries if binding to a port fails.
+     * Note that this does not adress the scenario where a request times out
+     * or errors. This needs to be taken care of by the on_complete callback.
+     *
+     * Default is 3
+     */
+    pj_uint16_t		max_retries;
+
 } pj_http_req_param;
 
 /**
diff --git a/pjlib-util/src/pjlib-util/http_client.c b/pjlib-util/src/pjlib-util/http_client.c
index d455cc2..cf96a2d 100644
--- a/pjlib-util/src/pjlib-util/http_client.c
+++ b/pjlib-util/src/pjlib-util/http_client.c
@@ -26,15 +26,17 @@
 #include <pj/pool.h>
 #include <pj/string.h>
 #include <pj/timer.h>
+#include <pj/rand.h>
 #include <pjlib-util/base64.h>
 #include <pjlib-util/errno.h>
 #include <pjlib-util/md5.h>
 #include <pjlib-util/scanner.h>
 #include <pjlib-util/string.h>
 
+#define THIS_FILE   "http_client.c"
+
 #if 0
     /* Enable some tracing */
-    #define THIS_FILE   "http_client.c"
     #define TRACE_(arg)	PJ_LOG(3,arg)
 #else
     #define TRACE_(arg)
@@ -764,6 +766,7 @@
     pj_strset2(&param->version, (char*)HTTP_1_0);
     param->timeout.msec = PJ_HTTP_DEFAULT_TIMEOUT;
     pj_time_val_normalize(&param->timeout);
+    param->max_retries = 3;
 }
 
 /* Get the location of '@' character to indicate the end of
@@ -1004,11 +1007,13 @@
     return http_req->param.user_data;
 }
 
-PJ_DEF(pj_status_t) pj_http_req_start(pj_http_req *http_req)
+static pj_status_t start_http_req(pj_http_req *http_req,
+                                  pj_bool_t notify_on_fail)
 {
     pj_sock_t sock = PJ_INVALID_SOCKET;
     pj_status_t status;
     pj_activesock_cb asock_cb;
+    int retry = 0;
 
     PJ_ASSERT_RETURN(http_req, PJ_EINVAL);
     /* Http request is not idle, a request was initiated before and 
@@ -1031,7 +1036,7 @@
 	    (http_req->param.addr_family==pj_AF_INET() &&
 	     http_req->addr.ipv4.sin_addr.s_addr==PJ_INADDR_NONE))
 	{
-	    return status; // cannot resolve host name
+	    goto on_return;
         }
         http_req->resolved = PJ_TRUE;
     }
@@ -1045,6 +1050,32 @@
     asock_cb.on_data_read = &http_on_data_read;
     asock_cb.on_data_sent = &http_on_data_sent;
     asock_cb.on_connect_complete = &http_on_connect;
+	
+    do
+    {
+	pj_sockaddr_in bound_addr;
+	pj_uint16_t port = 0;
+
+	/* If we are using port restriction.
+	 * Get a random port within the range
+	 */
+	if (http_req->param.source_port_range_start != 0) {
+	    port = (pj_uint16_t)
+		   (http_req->param.source_port_range_start +
+		    (pj_rand() % http_req->param.source_port_range_size));
+	}
+
+	pj_sockaddr_in_init(&bound_addr, NULL, port);
+	status = pj_sock_bind(sock, &bound_addr, sizeof(bound_addr));
+
+    } while (status != PJ_SUCCESS && (retry++ < http_req->param.max_retries));
+
+    if (status != PJ_SUCCESS) {
+	PJ_PERROR(1,(THIS_FILE, status,
+		     "Unable to bind to the requested port"));
+	pj_sock_close(sock);
+	goto on_return;
+    }
 
     // TODO: should we set whole data to 0 by default?
     // or add it in the param?
@@ -1052,8 +1083,7 @@
                                   NULL, http_req->ioqueue,
 				  &asock_cb, http_req, &http_req->asock);
     if (status != PJ_SUCCESS) {
-        if (sock != PJ_INVALID_SOCKET)
-            pj_sock_close(sock);
+        pj_sock_close(sock);
 	goto on_return; // error creating activesock
     }
 
@@ -1074,7 +1104,9 @@
                                          pj_sockaddr_get_len(&http_req->addr));
     if (status == PJ_SUCCESS) {
         http_req->state = SENDING_REQUEST;
-        return http_req_start_sending(http_req);
+        status =  http_req_start_sending(http_req);
+        if (status != PJ_SUCCESS)
+            goto on_return;
     } else if (status != PJ_EPENDING) {
         goto on_return; // error connecting
     }
@@ -1082,10 +1114,21 @@
     return PJ_SUCCESS;
 
 on_return:
-    http_req_end_request(http_req);
+    http_req->error = status;
+    if (notify_on_fail)
+	pj_http_req_cancel(http_req, PJ_TRUE);
+    else
+	http_req_end_request(http_req);
+
     return status;
 }
 
+/* Starts an asynchronous HTTP request to the URL specified. */
+PJ_DEF(pj_status_t) pj_http_req_start(pj_http_req *http_req)
+{
+    return start_http_req(http_req, PJ_FALSE);
+}
+
 /* Respond to basic authentication challenge */
 static pj_status_t auth_respond_basic(pj_http_req *hreq)
 {
@@ -1345,7 +1388,7 @@
 	 */
 	const pj_str_t STR_MD5 = { "MD5", 3 };
 	const pj_str_t qop = pj_str("auth");
-	const pj_str_t nc = pj_str("1");
+	const pj_str_t nc = pj_str("00000001");
 	const pj_str_t cnonce = pj_str("b39971");
 
 	auth_create_digest_response(&digest_response, cred,
@@ -1433,7 +1476,7 @@
 
     http_req_end_request(hreq);
 
-    status = pj_http_req_start(hreq);
+    status = start_http_req(hreq, PJ_TRUE);
     if (status != PJ_SUCCESS)
 	goto on_error;
 
diff --git a/pjlib-util/src/pjlib-util/pcap.c b/pjlib-util/src/pjlib-util/pcap.c
index e0a86fa..bf45b71 100644
--- a/pjlib-util/src/pjlib-util/pcap.c
+++ b/pjlib-util/src/pjlib-util/pcap.c
@@ -368,8 +368,20 @@
 
 	*udp_payload_size = sz;
 
+	// Some layers may have trailer, e.g: link eth2.
 	/* Check that we've read all the packets */
-	PJ_ASSERT_RETURN(sz_read == rec_incl, PJ_EBUG);
+	//PJ_ASSERT_RETURN(sz_read == rec_incl, PJ_EBUG);
+
+	/* Skip trailer */
+	while (sz_read < rec_incl) {
+	    sz = rec_incl - sz_read;
+	    status = read_file(file, &tmp.eth, &sz);
+	    if (status != PJ_SUCCESS) {
+		TRACE_((file->obj_name, "Error reading trailer: %d", status));
+		return status;
+	    }
+	    sz_read += sz;
+	}
 
 	return PJ_SUCCESS;
     }
diff --git a/pjlib/include/pj/compat/os_auto.h.in b/pjlib/include/pj/compat/os_auto.h.in
index 1dc8802..77980d3 100644
--- a/pjlib/include/pj/compat/os_auto.h.in
+++ b/pjlib/include/pj/compat/os_auto.h.in
@@ -177,6 +177,8 @@
 #	include "Availability.h"
 	/* Use CFHost API for pj_getaddrinfo() (see ticket #1246) */
 #	define PJ_GETADDRINFO_USE_CFHOST 1
+	/* Disable local host resolution in pj_gethostip() (see ticket #1342) */
+#	define PJ_GETHOSTIP_DISABLE_LOCAL_RESOLUTION 1
 #    	ifdef __IPHONE_4_0
  	    /* Is multitasking support available?  (see ticket #1107) */
 #	    define PJ_IPHONE_OS_HAS_MULTITASKING_SUPPORT 	1
diff --git a/pjlib/include/pj/compat/os_symbian.h b/pjlib/include/pj/compat/os_symbian.h
index 62bd3e9..9f95364 100644
--- a/pjlib/include/pj/compat/os_symbian.h
+++ b/pjlib/include/pj/compat/os_symbian.h
@@ -108,6 +108,11 @@
 #   define NULL 0
 #endif
 
+/* Endianness */
+#ifndef PJ_IS_LITTLE_ENDIAN
+#   define PJ_IS_LITTLE_ENDIAN	1
+#   define PJ_IS_BIG_ENDIAN	0
+#endif
 
 /* Doesn't seem to allow more than this */
 #define PJ_IOQUEUE_MAX_HANDLES	    8
diff --git a/pjlib/include/pj/compat/os_win32_wince.h b/pjlib/include/pj/compat/os_win32_wince.h
index 043bb63..9ae0531 100644
--- a/pjlib/include/pj/compat/os_win32_wince.h
+++ b/pjlib/include/pj/compat/os_win32_wince.h
@@ -98,6 +98,12 @@
  */
 #define PJ_SELECT_NEEDS_NFDS	    0
 
+/* Endianness */
+#ifndef PJ_IS_LITTLE_ENDIAN
+#   define PJ_IS_LITTLE_ENDIAN	1
+#   define PJ_IS_BIG_ENDIAN	0
+#endif
+
 /* Default threading is enabled, unless it's overridden. */
 #ifndef PJ_HAS_THREADS
 #  define PJ_HAS_THREADS	    (1)
diff --git a/pjlib/include/pj/config.h b/pjlib/include/pj/config.h
index c96d0ce..dd3533e 100644
--- a/pjlib/include/pj/config.h
+++ b/pjlib/include/pj/config.h
@@ -170,7 +170,7 @@
 #elif defined(PJ_M_IA64) || defined(__ia64__) || defined(_IA64) || \
 	defined(__IA64__) || defined( 	_M_IA64)
     /*
-     * Intel IA64 processor, little endian
+     * Intel IA64 processor, default to little endian
      */
 #   undef PJ_M_IA64
 #   define PJ_M_IA64		1
@@ -208,15 +208,14 @@
 #elif defined(PJ_M_MIPS) || defined(__mips__) || defined(__mips) || \
 	defined(__MIPS__) || defined(MIPS) || defined(_MIPS_)
     /*
-     * MIPS, default to little endian
+     * MIPS, bi-endian, so raise error if endianness is not configured
      */
 #   undef PJ_M_MIPS
 #   define PJ_M_MIPS		1
 #   define PJ_M_NAME		"mips"
 #   define PJ_HAS_PENTIUM	0
-#   if !defined(PJ_IS_LITTLE_ENDIAN) && !defined(PJ_IS_BIG_ENDIAN)
-#   	define PJ_IS_LITTLE_ENDIAN	1
-#   	define PJ_IS_BIG_ENDIAN		0
+#   if !PJ_IS_LITTLE_ENDIAN && !PJ_IS_BIG_ENDIAN
+#   	error Endianness must be declared for this processor
 #   endif
 
 
@@ -234,29 +233,29 @@
 #elif defined (PJ_M_ARMV4) || defined(ARM) || defined(_ARM_) ||  \
 	defined(ARMV4) || defined(__arm__)
     /*
-     * ARM, default to little endian
+     * ARM, bi-endian, so raise error if endianness is not configured
      */
 #   undef PJ_M_ARMV4
 #   define PJ_M_ARMV4		1
 #   define PJ_M_NAME		"armv4"
 #   define PJ_HAS_PENTIUM	0
-#   if !defined(PJ_IS_LITTLE_ENDIAN) && !defined(PJ_IS_BIG_ENDIAN)
-#	define PJ_IS_LITTLE_ENDIAN	1
-#	define PJ_IS_BIG_ENDIAN		0
+#   if !PJ_IS_LITTLE_ENDIAN && !PJ_IS_BIG_ENDIAN
+#   	error Endianness must be declared for this processor
 #   endif
 
 #elif defined (PJ_M_POWERPC) || defined(__powerpc) || defined(__powerpc__) || \
 	defined(__POWERPC__) || defined(__ppc__) || defined(_M_PPC) || \
 	defined(_ARCH_PPC)
     /*
-     * PowerPC, big endian
+     * PowerPC, bi-endian, so raise error if endianness is not configured
      */
 #   undef PJ_M_POWERPC
 #   define PJ_M_POWERPC		1
 #   define PJ_M_NAME		"powerpc"
 #   define PJ_HAS_PENTIUM	0
-#   define PJ_IS_LITTLE_ENDIAN	0
-#   define PJ_IS_BIG_ENDIAN	1
+#   if !PJ_IS_LITTLE_ENDIAN && !PJ_IS_BIG_ENDIAN
+#   	error Endianness must be declared for this processor
+#   endif
 
 #elif defined (PJ_M_NIOS2) || defined(__nios2) || defined(__nios2__) || \
       defined(__NIOS2__) || defined(__M_NIOS2) || defined(_ARCH_NIOS2)
diff --git a/pjlib/include/pj/hash.h b/pjlib/include/pj/hash.h
index e7cf9d3..7b9f6df 100644
--- a/pjlib/include/pj/hash.h
+++ b/pjlib/include/pj/hash.h
@@ -125,8 +125,8 @@
  * @param pool	    the pool to allocate the new entry if a new entry has to be
  *		    created.
  * @param ht	    the hash table.
- * @param key	    the key, which MUST point to buffer that remains valid
- *		    for the duration of the entry.
+ * @param key	    the key. If pool is not specified, the key MUST point to
+ * 		    buffer that remains valid for the duration of the entry.
  * @param keylen    the length of the key, or PJ_HASH_KEY_STRING to use the 
  *		    string length of the key.
  * @param hval	    if the value is not zero, then the hash table will use
diff --git a/pjlib/include/pj/sock.h b/pjlib/include/pj/sock.h
index 88152c0..83d35db 100644
--- a/pjlib/include/pj/sock.h
+++ b/pjlib/include/pj/sock.h
@@ -493,6 +493,13 @@
  */
 #define PJ_INET6_ADDRSTRLEN	46
 
+/**
+ * The size of sin_zero field in pj_sockaddr_in structure. Most OSes
+ * use 8, but others such as the BSD TCP/IP stack in eCos uses 24.
+ */
+#ifndef PJ_SOCKADDR_IN_SIN_ZERO_LEN
+#   define PJ_SOCKADDR_IN_SIN_ZERO_LEN	8
+#endif
 
 /**
  * This structure describes Internet socket address.
@@ -512,7 +519,7 @@
 #endif
     pj_uint16_t	sin_port;	/**< Transport layer port number.   */
     pj_in_addr	sin_addr;	/**< IP address.		    */
-    char	sin_zero[8];	/**< Padding.			    */
+    char	sin_zero[PJ_SOCKADDR_IN_SIN_ZERO_LEN]; /**< Padding.*/
 };
 
 
diff --git a/pjlib/src/pj/ioqueue_symbian.cpp b/pjlib/src/pj/ioqueue_symbian.cpp
index 2cd9ac9..f945b2b 100644
--- a/pjlib/src/pj/ioqueue_symbian.cpp
+++ b/pjlib/src/pj/ioqueue_symbian.cpp
@@ -340,6 +340,7 @@
 //
 void CIoqueueCallback::RunL()
 {
+    pj_ioqueue_t *ioq = ioqueue_;
     Type cur_type = type_;
 
     type_ = TYPE_NONE;
@@ -399,7 +400,7 @@
 	}
     }
 
-    ioqueue_->eventCount++;
+    ioq->eventCount++;
 }
 
 //
diff --git a/pjlib/src/pj/sock_common.c b/pjlib/src/pj/sock_common.c
index 170fe5c..948d47d 100644
--- a/pjlib/src/pj/sock_common.c
+++ b/pjlib/src/pj/sock_common.c
@@ -784,6 +784,8 @@
     addr->addr.sa_family = (pj_uint16_t)af;
     PJ_SOCKADDR_RESET_LEN(addr);
 
+#if !defined(PJ_GETHOSTIP_DISABLE_LOCAL_RESOLUTION) || \
+    PJ_GETHOSTIP_DISABLE_LOCAL_RESOLUTION == 0
     /* Get hostname's IP address */
     count = 1;
     status = pj_getaddrinfo(af, pj_gethostname(), &count, &ai);
@@ -797,7 +799,10 @@
 	TRACE_((THIS_FILE, "hostname IP is %s",
 		pj_sockaddr_print(&ai.ai_addr, strip, sizeof(strip), 0)));
     }
-
+#else
+    PJ_UNUSED_ARG(ai);
+    PJ_UNUSED_ARG(count);
+#endif
 
     /* Get default interface (interface for default route) */
     if (cand_cnt < PJ_ARRAY_SIZE(cand_addr)) {
diff --git a/pjlib/src/pj/ssl_sock_ossl.c b/pjlib/src/pj/ssl_sock_ossl.c
index 56a6023..6ce44ad 100644
--- a/pjlib/src/pj/ssl_sock_ossl.c
+++ b/pjlib/src/pj/ssl_sock_ossl.c
@@ -310,8 +310,10 @@
 	    meth = (SSL_METHOD*)TLSv1_server_method();
 	if (!meth)
 	    meth = (SSL_METHOD*)SSLv3_server_method();
+#ifndef OPENSSL_NO_SSL2
 	if (!meth)
 	    meth = (SSL_METHOD*)SSLv2_server_method();
+#endif
 	pj_assert(meth);
 
 	ctx=SSL_CTX_new(meth);
@@ -488,9 +490,11 @@
     case PJ_SSL_SOCK_PROTO_TLS1:
 	ssl_method = (SSL_METHOD*)TLSv1_method();
 	break;
+#ifndef OPENSSL_NO_SSL2
     case PJ_SSL_SOCK_PROTO_SSL2:
 	ssl_method = (SSL_METHOD*)SSLv2_method();
 	break;
+#endif
     case PJ_SSL_SOCK_PROTO_SSL3:
 	ssl_method = (SSL_METHOD*)SSLv3_method();
 	break;
diff --git a/pjlib/src/pjlib-test/os.c b/pjlib/src/pjlib-test/os.c
index ad63024..d5b1879 100644
--- a/pjlib/src/pjlib-test/os.c
+++ b/pjlib/src/pjlib-test/os.c
@@ -22,11 +22,81 @@
 #include <pj/os.h>
 
 #if INCLUDE_OS_TEST
+static int endianness_test32(void)
+{
+    union t
+    {
+	pj_uint32_t u32;
+	pj_uint16_t u16[2];
+	pj_uint8_t u8[4];
+    } t;
+
+    PJ_LOG(3,("", " Testing endianness.."));
+
+    t.u32 = 0x11223344;
+
+#if defined(PJ_IS_LITTLE_ENDIAN) && PJ_IS_LITTLE_ENDIAN
+    PJ_LOG(3,("", "   Library is set to little endian"));
+
+#  if defined(PJ_IS_BIG_ENDIAN) && PJ_IS_BIG_ENDIAN
+#    error Error: Both PJ_IS_LITTLE_ENDIAN and PJ_IS_BIG_ENDIAN are set!
+#  endif
+
+    if ((t.u16[0] & 0xFFFF) != 0x3344 ||
+	(t.u16[1] & 0xFFFF) != 0x1122)
+    {
+	PJ_LOG(3,("", "   Error: wrong 16bit values 0x%x and 0x%x",
+		      (t.u16[0] & 0xFFFF), (t.u16[1] & 0xFFFF)));
+	return 10;
+    }
+
+    if ((t.u8[0] & 0xFF) != 0x44 ||
+	(t.u8[1] & 0xFF) != 0x33 ||
+	(t.u8[2] & 0xFF) != 0x22 ||
+	(t.u8[3] & 0xFF) != 0x11)
+    {
+	PJ_LOG(3,("", "   Error: wrong 8bit values"));
+	return 12;
+    }
+
+#elif defined(PJ_IS_BIG_ENDIAN) && PJ_IS_BIG_ENDIAN
+    PJ_LOG(3,("", "   Library is set to big endian"));
+
+    if ((t.u16[0] & 0xFFFF) != 0x1122 ||
+	(t.u16[1] & 0xFFFF) != 0x3344)
+    {
+	PJ_LOG(3,("", "   Error: wrong 16bit values 0x%x and 0x%x",
+		      (t.u16[0] & 0xFFFF), (t.u16[1] & 0xFFFF)));
+	return 20;
+    }
+
+    if ((t.u8[0] & 0xFF) != 0x11 ||
+	(t.u8[1] & 0xFF) != 0x22 ||
+	(t.u8[2] & 0xFF) != 0x33 ||
+	(t.u8[3] & 0xFF) != 0x44)
+    {
+	PJ_LOG(3,("", "   Error: wrong 8bit values"));
+	return 22;
+    }
+
+#  if defined(PJ_IS_LITTLE_ENDIAN) && PJ_IS_LITTLE_ENDIAN
+#    error Error: Both PJ_IS_LITTLE_ENDIAN and PJ_IS_BIG_ENDIAN are set!
+#  endif
+
+
+#else
+#    error Error: Endianness is not set properly!
+#endif
+
+    return 0;
+}
+
 int os_test(void)
 {
     const pj_sys_info *si;
     int rc = 0;
 
+    PJ_LOG(3,("", " Sys info:"));
     si = pj_get_sys_info();
     PJ_LOG(3,("", "   machine:  %s", si->machine.ptr));
     PJ_LOG(3,("", "   os_name:  %s", si->os_name.ptr));
@@ -35,6 +105,8 @@
     PJ_LOG(3,("", "   sdk_ver:  0x%x", si->sdk_ver));
     PJ_LOG(3,("", "   info:     %s", si->info.ptr));
 
+    rc = endianness_test32();
+
     return rc;
 }
 
diff --git a/pjlib/src/pjlib-test/sock.c b/pjlib/src/pjlib-test/sock.c
index ebb5837..35669dc 100644
--- a/pjlib/src/pjlib-test/sock.c
+++ b/pjlib/src/pjlib-test/sock.c
@@ -510,7 +510,7 @@
 	}
 	if (srclen != addrlen)
 	    return -151;
-	if (pj_memcmp(&addr, srcaddr, srclen) != 0) {
+	if (pj_sockaddr_cmp(&addr, srcaddr) != 0) {
 	    char srcaddr_str[32], addr_str[32];
 	    strcpy(srcaddr_str, pj_inet_ntoa(srcaddr->sin_addr));
 	    strcpy(addr_str, pj_inet_ntoa(addr.sin_addr));
diff --git a/pjmedia/build/Jbtest.dat b/pjmedia/build/Jbtest.dat
index b2f4999..4f5a67f 100644
--- a/pjmedia/build/Jbtest.dat
+++ b/pjmedia/build/Jbtest.dat
@@ -19,11 +19,11 @@
 #
 # 3. Success conditions, started with '!', followed by condition name 
 #    and its maximum tolerable value, in frames unit. Recognized condition 
-#    names are: burst, discard, lost, empty, delay. These conditions will
-#    be verified with jitter buffer statistics after all session test data
-#    are executed.
+#    names are: burst, discard, lost, empty, delay, delay_min. These
+#    conditions will be verified with jitter buffer statistics after all
+#    session test data are executed.
 #    Example:
-#    !delay 10  <- maximum average delay of jbuf is 10 frames
+#    !delay 10  <- average delay of jbuf is 10 frames
 #
 # 4. Session test data, containing sequence of jitter buffer events,
 #    an event is represented by a character as follow:
@@ -295,7 +295,7 @@
 !discard    50 <- frames discarded for delay adaptation
 !lost	    50 <- ticket #1188, normal frame after discarded frame is flagged 'lost' to align signal
 !empty	    0
-!delay	    25 <- average delay, JB is able to adapt the delay
+!delay_min  2  <- minimum delay, JB is able to adapt the delay
 PPPPPPPPPPPPPPPPPPPP PPPPPPPPPPPPPPPPPPPP PPPPPPPPPP
 PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
 PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
@@ -311,13 +311,30 @@
 PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
 PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
 PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
+PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
+PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
+PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
+PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
+PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
+PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
+PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
+PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
+PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
+PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
+PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
+PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
+PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
+PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
+PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
+PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
+PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
 .
 
 = Fixed mode prefetch 5, with two empty events
 %fixed 5
 !burst	    1
-!discard    0
-!lost	    0
+!discard    4  <- the burst level is about 1, but prefetching will cause delay by 5 frames prefetching, delay adjustment may take place later on
+!lost	    4  <- progressive discard drops frames as if they were lost
 !empty	    10
 !delay	    5
 G
@@ -329,8 +346,8 @@
 = Fixed mode prefetch 5, with random burst
 %fixed 5
 !burst	    3
-!discard    0
-!lost	    0
+!discard    4 <- (see above test scenario)
+!lost	    4 <- (see above test scenario)
 !empty	    5
 !delay	    5
 PGPGPPGGPPPPGGPGGGPG PGGGGPPPGPPGPPPGGPGG PGPGPPGGPPPPGGPGGGPG 
@@ -349,7 +366,7 @@
 !discard    50 <- frames discarded for delay adaptation
 !lost	    50 <- ticket #1188, normal frame after discarded frame is flagged 'lost' to align signal
 !empty	    0
-!delay	    20 <- average delay, twice of minimal prefetch
+!delay_min  20 <- minimum delay, twice of minimal prefetch
 PPPPPPPPPPPPPPPPPPPP PPPPPPPPPPPPPPPPPPPP PPPPPPPPPP
 PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
 PGPGPGPGPGPGPGPGPGPG PGPGPGPGPGPGPGPGPGPG PGPGPGPGPG
@@ -369,7 +386,7 @@
 
 = Large PUT burst at beginning, then normal with burst level 10 and periodic burst spikes
 %adaptive 0 0 40
-!burst	    10
+!burst	    12
 !discard    300 <- not so relevant for long period session with many delay adjustments needed (i.e: for first burst and periodic spikes)
 !lost	    300 <- ticket #1188, normal frame after discarded frame is flagged 'lost' to align signal
 !empty	    60 <- delay adjustment effect, as there is actually no drift
diff --git a/pjmedia/build/os-auto.mak.in b/pjmedia/build/os-auto.mak.in
index 600b034..98ecf28 100644
--- a/pjmedia/build/os-auto.mak.in
+++ b/pjmedia/build/os-auto.mak.in
@@ -57,6 +57,7 @@
 AC_NO_ILBC_CODEC=@ac_no_ilbc_codec@
 AC_NO_G722_CODEC=@ac_no_g722_codec@
 AC_NO_G7221_CODEC=@ac_no_g7221_codec@
+AC_NO_OPENCORE_AMRNB=@ac_no_opencore_amrnb@
 
 export CODEC_OBJS=
 
@@ -109,6 +110,12 @@
 export G7221_CFLAGS += -I$(THIRD_PARTY)
 endif
 
+ifeq ($(AC_NO_OPENCORE_AMRNB),1)
+export CFLAGS += -DPJMEDIA_HAS_OPENCORE_AMRNB_CODEC=0
+else
+export CODEC_OBJS += opencore_amrnb.o
+endif
+
 
 #
 # PortAudio
diff --git a/pjmedia/build/pjmedia_codec.vcproj b/pjmedia/build/pjmedia_codec.vcproj
index 6f09b2a..516c011 100644
--- a/pjmedia/build/pjmedia_codec.vcproj
+++ b/pjmedia/build/pjmedia_codec.vcproj
@@ -2967,6 +2967,10 @@
 				</FileConfiguration>

 			</File>

 			<File

+				RelativePath="..\src\pjmedia-codec\opencore_amrnb.c"

+				>

+			</File>

+			<File

 				RelativePath="..\src\pjmedia-codec\passthrough.c"

 				>

 			</File>

@@ -3102,6 +3106,10 @@
 				>

 			</File>

 			<File

+				RelativePath="..\include\pjmedia-codec\opencore_amrnb.h"

+				>

+			</File>

+			<File

 				RelativePath="..\include\pjmedia-codec\passthrough.h"

 				>

 			</File>

diff --git a/pjmedia/include/pjmedia-audiodev/config.h b/pjmedia/include/pjmedia-audiodev/config.h
index 2ef9e9f..d0df675 100644
--- a/pjmedia/include/pjmedia-audiodev/config.h
+++ b/pjmedia/include/pjmedia-audiodev/config.h
@@ -145,6 +145,21 @@
 
 
 /**
+ * This setting controls whether the Symbian audio with built-in multimedia
+ * framework backend should be started synchronously. Note that synchronous
+ * start will block the application/UI, e.g: about 40ms for each direction
+ * on N95. While asynchronous start may cause invalid value (always zero)
+ * returned in input/output volume query, if the query is performed when
+ * the internal start procedure is not completely finished.
+ * 
+ * Default: 1 (yes)
+ */
+#ifndef PJMEDIA_AUDIO_DEV_MDA_USE_SYNC_START
+#   define PJMEDIA_AUDIO_DEV_MDA_USE_SYNC_START	1
+#endif
+
+
+/**
  * This setting controls whether the Audio Device API should support
  * device implementation that is based on the old sound device API
  * (sound.h). 
diff --git a/pjmedia/include/pjmedia-codec.h b/pjmedia/include/pjmedia-codec.h
index 7e77b1d..9eba4c1 100644
--- a/pjmedia/include/pjmedia-codec.h
+++ b/pjmedia/include/pjmedia-codec.h
@@ -35,6 +35,7 @@
 #include <pjmedia-codec/g7221.h>
 #include <pjmedia-codec/ipp_codecs.h>
 #include <pjmedia-codec/passthrough.h>
+#include <pjmedia-codec/opencore_amrnb.h>
 
 
 #endif	/* __PJMEDIA_CODEC_PJMEDIA_CODEC_H__ */
diff --git a/pjmedia/include/pjmedia-codec/amr_helper.h b/pjmedia/include/pjmedia-codec/amr_helper.h
index 6bca5ac..fc63eb4 100644
--- a/pjmedia/include/pjmedia-codec/amr_helper.h
+++ b/pjmedia/include/pjmedia-codec/amr_helper.h
@@ -567,7 +567,7 @@
  * Constant of AMR-NB frame lengths in bytes.
  */
 const pj_uint8_t  pjmedia_codec_amrnb_framelen[16] = 
-    {12, 13, 15, 17, 19, 20, 26, 31, 5, 0, 0, 0, 0, 0, 0, 5};
+    {12, 13, 15, 17, 19, 20, 26, 31, 5, 0, 0, 0, 0, 0, 0, 0};
 /**
  * Constant of AMR-NB frame lengths in bits.
  */
@@ -583,7 +583,7 @@
  * Constant of AMR-WB frame lengths in bytes.
  */
 const pj_uint8_t  pjmedia_codec_amrwb_framelen[16] = 
-    {17, 23, 32, 37, 40, 46, 50, 58, 60, 5, 0, 0, 0, 0, 0, 5};
+    {17, 23, 32, 37, 40, 46, 50, 58, 60, 5, 0, 0, 0, 0, 0, 0};
 /**
  * Constant of AMR-WB frame lengths in bits.
  */
@@ -606,6 +606,7 @@
     pj_int8_t  mode;		/**< AMR mode.				*/
     pj_uint8_t start_bit;	/**< Frame start bit.			*/
     pj_uint8_t good_quality:1;	/**< Flag if frame is good/degraded.	*/
+    pj_uint8_t STI:1;		/**< STI mode (first/update).		*/
 } pjmedia_codec_amr_bit_info;
 #pragma pack()
 
@@ -1020,9 +1021,7 @@
 	} else if (info->frame_type == SID_FT) {
 
 	    /* SID */
-	    pj_uint8_t STI = 0;
-
-	    amr_bits[35] = (pj_uint8_t)(STI & 1);
+	    amr_bits[35] |= info->STI;
 
 	    if (setting->amr_nb) {
 		amr_bits[36] = (pj_uint8_t)((info->mode >> 2) & 1);
@@ -1163,6 +1162,7 @@
 	info->mode = (pj_int8_t)((FT < SID_FT)? FT : -1);
 	info->good_quality = (pj_uint8_t)(Q == 1);
 	info->start_bit = 0;
+	info->STI = 0;
 	frames[cnt].timestamp = ts_;
 	frames[cnt].type = PJMEDIA_FRAME_TYPE_AUDIO;
 
@@ -1186,6 +1186,13 @@
 	frames[cnt].buf = r;
 	info->start_bit = r_bitptr;
 
+	if (FT == SID_FT) {
+	    unsigned sti_bitptr;
+	    sti_bitptr = r_bitptr + 35;
+	    info->STI = (pj_uint8_t)
+			(r[sti_bitptr >> 3] >> (7 - (sti_bitptr % 8))) & 1;
+	}
+
 	if (setting->octet_aligned) {
 	    r += framelen_tbl[FT];
 	    frames[cnt].size = framelen_tbl[FT];
diff --git a/pjmedia/include/pjmedia-codec/config.h b/pjmedia/include/pjmedia-codec/config.h
index 6b55baa..0f94a98 100644
--- a/pjmedia/include/pjmedia-codec/config.h
+++ b/pjmedia/include/pjmedia-codec/config.h
@@ -313,6 +313,39 @@
 #endif
 
 /**
+ * Enable OpenCORE AMR-NB codec.
+ * See https://trac.pjsip.org/repos/ticket/1388 for some info.
+ *
+ * Default: 0
+ */
+#ifndef PJMEDIA_HAS_OPENCORE_AMRNB_CODEC
+#   define PJMEDIA_HAS_OPENCORE_AMRNB_CODEC	0
+#endif
+
+/**
+ * Link with libopencore-amrXX via pragma comment on Visual Studio.
+ * This option only makes sense if PJMEDIA_HAS_OPENCORE_AMRNB_CODEC
+ * is enabled.
+ *
+ * Default: 1
+ */
+#ifndef PJMEDIA_AUTO_LINK_OPENCORE_AMR_LIBS
+#  define PJMEDIA_AUTO_LINK_OPENCORE_AMR_LIBS	1
+#endif
+
+/**
+ * Link with libopencore-amrXX.a that has been produced with gcc.
+ * This option only makes sense if PJMEDIA_HAS_OPENCORE_AMRNB_CODEC
+ * and PJMEDIA_AUTO_LINK_OPENCORE_AMR_LIBS are enabled.
+ *
+ * Default: 1
+ */
+#ifndef PJMEDIA_OPENCORE_AMR_BUILT_WITH_GCC
+#   define PJMEDIA_OPENCORE_AMR_BUILT_WITH_GCC	1
+#endif
+
+
+/**
  * Default G.722.1 codec encoder and decoder level adjustment. 
  * If the value is non-zero, then PCM input samples to the encoder will 
  * be shifted right by this value, and similarly PCM output samples from
diff --git a/pjmedia/include/pjmedia-codec/config_auto.h.in b/pjmedia/include/pjmedia-codec/config_auto.h.in
index 9c2a9af..c469d79 100644
--- a/pjmedia/include/pjmedia-codec/config_auto.h.in
+++ b/pjmedia/include/pjmedia-codec/config_auto.h.in
@@ -69,6 +69,11 @@
 #undef PJMEDIA_HAS_G7221_CODEC
 #endif
 
+/* OpenCORE AMR-NB codec */
+#ifndef PJMEDIA_HAS_OPENCORE_AMRNB_CODEC
+#undef PJMEDIA_HAS_OPENCORE_AMRNB_CODEC
+#endif
+
 
 #endif	/* __PJMEDIA_CODEC_CONFIG_AUTO_H_ */
 
diff --git a/pjmedia/include/pjmedia-codec/opencore_amrnb.h b/pjmedia/include/pjmedia-codec/opencore_amrnb.h
new file mode 100644
index 0000000..3e618e4
--- /dev/null
+++ b/pjmedia/include/pjmedia-codec/opencore_amrnb.h
@@ -0,0 +1,89 @@
+/* $Id$ */
+/*
+ * Copyright (C) 2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2011 Dan Arrhenius <dan@keystream.se>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#ifndef __PJMEDIA_CODEC_OPENCORE_AMRNB_H__
+#define __PJMEDIA_CODEC_OPENCORE_AMRNB_H__
+
+#include <pjmedia-codec/types.h>
+
+/**
+ * @defgroup PJMED_OC_AMRNB OpenCORE AMR-NB Codec
+ * @ingroup PJMEDIA_CODEC_CODECS
+ * @brief AMRCodec wrapper for OpenCORE AMR-NB codec
+ * @{
+ */
+
+PJ_BEGIN_DECL
+
+/**
+ * Settings. Use #pjmedia_codec_opencore_amrnb_set_config() to
+ * activate.
+ */
+typedef struct pjmedia_codec_amrnb_config
+{
+    /**
+     * Control whether to use octent align.
+     */
+    pj_bool_t octet_align;
+
+    /**
+     * Set the bitrate.
+     */
+    unsigned bitrate;
+
+} pjmedia_codec_amrnb_config;
+
+
+/**
+ * Initialize and register AMR-NB codec factory to pjmedia endpoint.
+ *
+ * @param endpt	The pjmedia endpoint.
+ *
+ * @return	PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_codec_opencore_amrnb_init(pjmedia_endpt* endpt);
+
+/**
+ * Unregister AMR-NB codec factory from pjmedia endpoint and deinitialize
+ * the OpenCORE codec library.
+ *
+ * @return	PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_codec_opencore_amrnb_deinit(void);
+
+
+/**
+ * Set AMR-NB parameters.
+ *
+ * @param cfg	The settings;
+ *
+ * @return	PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_codec_opencore_amrnb_set_config(
+				const pjmedia_codec_amrnb_config* cfg);
+
+PJ_END_DECL
+
+
+/**
+ * @}
+ */
+
+#endif	/* __PJMEDIA_CODEC_OPENCORE_AMRNB_H__ */
+
diff --git a/pjmedia/include/pjmedia/config.h b/pjmedia/include/pjmedia/config.h
index e7d2e14..6093081 100644
--- a/pjmedia/include/pjmedia/config.h
+++ b/pjmedia/include/pjmedia/config.h
@@ -387,7 +387,7 @@
 
 
 /**
- * Number of packets received from different source IP address from the
+ * Number of RTP packets received from different source IP address from the
  * remote address required to make the stream switch transmission
  * to the source address.
  */
@@ -397,6 +397,16 @@
 
 
 /**
+ * Number of RTCP packets received from different source IP address from the
+ * remote address required to make the stream switch RTCP transmission
+ * to the source address.
+ */
+#ifndef PJMEDIA_RTCP_NAT_PROBATION_CNT
+#  define PJMEDIA_RTCP_NAT_PROBATION_CNT	3
+#endif
+
+
+/**
  * Specify whether RTCP should be advertised in SDP. This setting would
  * affect whether RTCP candidate will be added in SDP when ICE is used.
  * Application might want to disable RTCP advertisement in SDP to
@@ -916,7 +926,7 @@
  * Default: 5 seconds
  */
 #ifndef PJMEDIA_STREAM_KA_INTERVAL
-#	define PJMEDIA_STREAM_KA_INTERVAL	    5
+#   define PJMEDIA_STREAM_KA_INTERVAL		    5
 #endif
 
 
@@ -1057,6 +1067,63 @@
 
 
 /**
+ * Minimum gap between two consecutive discards in jitter buffer,
+ * in milliseconds.
+ *
+ * Default: 200 ms
+ */
+#ifndef PJMEDIA_JBUF_DISC_MIN_GAP
+#   define PJMEDIA_JBUF_DISC_MIN_GAP		    200
+#endif
+
+
+/**
+ * Minimum burst level reference used for calculating discard duration
+ * in jitter buffer progressive discard algorithm, in frames.
+ * 
+ * Default: 1 frame
+ */
+#ifndef PJMEDIA_JBUF_PRO_DISC_MIN_BURST
+#   define PJMEDIA_JBUF_PRO_DISC_MIN_BURST	    1
+#endif
+
+
+/**
+ * Maximum burst level reference used for calculating discard duration
+ * in jitter buffer progressive discard algorithm, in frames.
+ * 
+ * Default: 200 frames
+ */
+#ifndef PJMEDIA_JBUF_PRO_DISC_MAX_BURST
+#   define PJMEDIA_JBUF_PRO_DISC_MAX_BURST	    100
+#endif
+
+
+/**
+ * Duration for progressive discard algotithm in jitter buffer to discard
+ * an excessive frame when burst is equal to or lower than
+ * PJMEDIA_JBUF_PRO_DISC_MIN_BURST, in milliseconds.
+ *
+ * Default: 2000 ms
+ */
+#ifndef PJMEDIA_JBUF_PRO_DISC_T1
+#   define PJMEDIA_JBUF_PRO_DISC_T1		    2000
+#endif
+
+
+/**
+ * Duration for progressive discard algotithm in jitter buffer to discard
+ * an excessive frame when burst is equal to or lower than
+ * PJMEDIA_JBUF_PRO_DISC_MAX_BURST, in milliseconds.
+ *
+ * Default: 10000 ms
+ */
+#ifndef PJMEDIA_JBUF_PRO_DISC_T2
+#   define PJMEDIA_JBUF_PRO_DISC_T2		    10000
+#endif
+
+
+/**
  * Video stream will discard old picture from the jitter buffer as soon as
  * new picture is received, to reduce latency.
  *
diff --git a/pjmedia/include/pjmedia/delaybuf.h b/pjmedia/include/pjmedia/delaybuf.h
index 9dcad5e..09b01bb 100644
--- a/pjmedia/include/pjmedia/delaybuf.h
+++ b/pjmedia/include/pjmedia/delaybuf.h
@@ -64,6 +64,19 @@
 typedef struct pjmedia_delay_buf pjmedia_delay_buf;
 
 /**
+ * Delay buffer options.
+ */
+typedef enum pjmedia_delay_buf_flag
+{
+    /**
+     * Use simple FIFO mechanism for the delay buffer, i.e.
+     * without WSOLA for expanding and shrinking audio samples.
+     */
+    PJMEDIA_DELAY_BUF_SIMPLE_FIFO = 1
+
+} pjmedia_delay_buf_flag;
+
+/**
  * Create the delay buffer. Once the delay buffer is created, it will
  * enter learning state unless the delay argument is specified, which
  * in this case it will directly enter the running state.
@@ -79,7 +92,12 @@
  *			    in ms, if this value is negative or less than 
  *			    one frame time, default maximum delay used is
  *			    400 ms.
- * @param options	    Option flags, must be zero for now.
+ * @param options	    Options. If PJMEDIA_DELAY_BUF_SIMPLE_FIFO is
+ *                          specified, then a simple FIFO mechanism
+ *			    will be used instead of the adaptive
+ *                          implementation (which uses WSOLA to expand
+ *                          or shrink audio samples).
+ *			    See #pjmedia_delay_buf_flag for other options.
  * @param p_b		    Pointer to receive the delay buffer instance.
  *
  * @return		    PJ_SUCCESS if the delay buffer has been
diff --git a/pjmedia/include/pjmedia/echo.h b/pjmedia/include/pjmedia/echo.h
index f2c2210..ba7f889 100644
--- a/pjmedia/include/pjmedia/echo.h
+++ b/pjmedia/include/pjmedia/echo.h
@@ -88,7 +88,15 @@
      * for the echo canceller, but application will guarantee that echo
      * canceller will not be called by different threads at the same time.
      */
-    PJMEDIA_ECHO_NO_LOCK = 16
+    PJMEDIA_ECHO_NO_LOCK = 16,
+
+    /**
+     * If PJMEDIA_ECHO_USE_SIMPLE_FIFO flag is specified, the delay buffer
+     * created for the echo canceller will use simple FIFO mechanism, i.e.
+     * without using WSOLA to expand and shrink audio samples.
+     */
+    PJMEDIA_ECHO_USE_SIMPLE_FIFO = 32
+
 
 } pjmedia_echo_flag;
 
diff --git a/pjmedia/include/pjmedia/jbuf.h b/pjmedia/include/pjmedia/jbuf.h
index 2ae4ed6..2cda3dd 100644
--- a/pjmedia/include/pjmedia/jbuf.h
+++ b/pjmedia/include/pjmedia/jbuf.h
@@ -48,7 +48,7 @@
 /**
  * Types of frame returned by the jitter buffer.
  */
-enum pjmedia_jb_frame_type 
+typedef enum pjmedia_jb_frame_type 
 {
     PJMEDIA_JB_MISSING_FRAME	   = 0, /**< No frame because it's missing  */
     PJMEDIA_JB_NORMAL_FRAME	   = 1, /**< Normal frame is being returned */
@@ -56,13 +56,41 @@
 					     because JB is bufferring.	    */
     PJMEDIA_JB_ZERO_EMPTY_FRAME	   = 3	/**< Zero frame is being returned
 					     because JB is empty.	    */
-};
+} pjmedia_jb_frame_type;
 
 
 /**
- * @see pjmedia_jb_frame_type.
+ * Enumeration of jitter buffer discard algorithm. The jitter buffer
+ * continuously calculates the jitter level to get the optimum latency at
+ * any time and in order to adjust the latency, the jitter buffer may need
+ * to discard some frames.
  */
-typedef enum pjmedia_jb_frame_type pjmedia_jb_frame_type;
+typedef enum pjmedia_jb_discard_algo
+{
+    /**
+     * Jitter buffer should not discard any frame, except when the jitter
+     * buffer is full and a new frame arrives, one frame will be discarded
+     * to make space for the new frame.
+     */
+    PJMEDIA_JB_DISCARD_NONE	   = 0,
+
+    /**
+     * Only discard one frame in at least 200ms when the latency is considered
+     * much higher than it should be. When the jitter buffer is full and a new
+     * frame arrives, one frame will be discarded to make space for the new
+     * frame.
+     */
+    PJMEDIA_JB_DISCARD_STATIC,
+
+    /**
+     * The discard rate is dynamically calculated based on actual parameters
+     * such as jitter level and latency. When the jitter buffer is full and
+     * a new frame arrives, one frame will be discarded to make space for the
+     * new frame.
+     */
+    PJMEDIA_JB_DISCARD_PROGRESSIVE
+
+} pjmedia_jb_discard_algo;
 
 
 /**
@@ -107,7 +135,9 @@
 /**
  * Create an adaptive jitter buffer according to the specification. If
  * application wants to have a fixed jitter buffer, it may call
- * #pjmedia_jbuf_set_fixed() after the jitter buffer is created.
+ * #pjmedia_jbuf_set_fixed() after the jitter buffer is created. Also
+ * if application wants to alter the discard algorithm, which the default
+ * PJMEDIA_JB_DISCARD_PROGRESSIVE, it may call #pjmedia_jbuf_set_discard().
  *
  * This function may allocate large chunk of memory to keep the frames in 
  * the buffer.
@@ -174,16 +204,16 @@
 
 
 /**
- * Enable/disable the jitter buffer drift detection and handling mechanism.
- * The default behavior is enabled.
+ * Set the jitter buffer discard algorithm. The default discard algorithm,
+ * set in jitter buffer creation, is PJMEDIA_JB_DISCARD_PROGRESSIVE.
  *
- * @param jb		The jitter buffer
- * @param enable	Set to PJ_TRUE to enable or PJ_FALSE to disable.
+ * @param jb		The jitter buffer.
+ * @param algo		The discard algorithm to be used.
  *
  * @return		PJ_SUCCESS on success.
  */
-PJ_DECL(pj_status_t) pjmedia_jbuf_enable_discard(pjmedia_jbuf *jb,
-						 pj_bool_t enable);
+PJ_DECL(pj_status_t) pjmedia_jbuf_set_discard(pjmedia_jbuf *jb,
+					      pjmedia_jb_discard_algo algo);
 
 
 /**
diff --git a/pjmedia/include/pjmedia/session.h b/pjmedia/include/pjmedia/session.h
index efab853..44238c5 100644
--- a/pjmedia/include/pjmedia/session.h
+++ b/pjmedia/include/pjmedia/session.h
@@ -232,6 +232,26 @@
 						   pjmedia_dir dir);
 
 /**
+ * Send RTCP SDES for the session.
+ *
+ * @param session	The media session.
+ *
+ * @return		PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) 
+pjmedia_session_send_rtcp_sdes( const pjmedia_session *session );
+
+/**
+ * Send RTCP BYE for the session.
+ *
+ * @param session	The media session.
+ *
+ * @return		PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) 
+pjmedia_session_send_rtcp_bye( const pjmedia_session *session );
+
+/**
  * Enumerate media streams in the session.
  *
  * @param session	The media session.
diff --git a/pjmedia/include/pjmedia/stream.h b/pjmedia/include/pjmedia/stream.h
index ea3a1b6..88e5a88 100644
--- a/pjmedia/include/pjmedia/stream.h
+++ b/pjmedia/include/pjmedia/stream.h
@@ -135,6 +135,9 @@
 					 (see #PJMEDIA_STREAM_ENABLE_KA)
 					 is enabled?			    */
 #endif
+    pj_bool_t           rtcp_sdes_bye_disabled; 
+                                    /**< Disable automatic sending of RTCP
+                                         SDES and BYE.                      */
 } pjmedia_stream_info;
 
 
@@ -404,6 +407,26 @@
 
 
 /**
+ * Send RTCP SDES for the media stream.
+ *
+ * @param stream	The media stream.
+ *
+ * @return		PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) 
+pjmedia_stream_send_rtcp_sdes( pjmedia_stream *stream );
+
+/**
+ * Send RTCP BYE for the media stream.
+ *
+ * @param stream	The media stream.
+ *
+ * @return		PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t)
+pjmedia_stream_send_rtcp_bye( pjmedia_stream *stream );
+
+/**
  * @}
  */
 
diff --git a/pjmedia/include/pjmedia/transport_adapter_sample.h b/pjmedia/include/pjmedia/transport_adapter_sample.h
index 6c41a69..62eb1c0 100644
--- a/pjmedia/include/pjmedia/transport_adapter_sample.h
+++ b/pjmedia/include/pjmedia/transport_adapter_sample.h
@@ -49,15 +49,18 @@
  * @param endpt		The media endpoint.
  * @param name		Optional name to identify this media transport
  *			for logging purposes.
- * @param transport	The underlying media transport to send and receive
- *			RTP/RTCP packets.
+ * @param base_tp	The base/underlying media transport to send and
+ * 			receive RTP/RTCP packets.
+ * @param del_base	Specify whether the base transport should also be
+ * 			destroyed when destroy() is called upon us.
  * @param p_tp		Pointer to receive the media transport instance.
  *
  * @return		PJ_SUCCESS on success, or the appropriate error code.
  */
 PJ_DECL(pj_status_t) pjmedia_tp_adapter_create( pjmedia_endpt *endpt,
 					        const char *name,
-					        pjmedia_transport *transport,
+					        pjmedia_transport *base_tp,
+					        pj_bool_t del_base,
 						pjmedia_transport **p_tp);
 
 PJ_END_DECL
diff --git a/pjmedia/src/pjmedia-audiodev/audiodev.c b/pjmedia/src/pjmedia-audiodev/audiodev.c
index 437ee58..067fc78 100644
--- a/pjmedia/src/pjmedia-audiodev/audiodev.c
+++ b/pjmedia/src/pjmedia-audiodev/audiodev.c
@@ -490,11 +490,13 @@
     }
     --aud_subsys.init_count;
 
-    for (i=0; i<aud_subsys.drv_cnt; ++i) {
-	deinit_driver(i);
-    }
+    if (aud_subsys.init_count == 0) {
+	for (i=0; i<aud_subsys.drv_cnt; ++i) {
+	    deinit_driver(i);
+	}
 
-    aud_subsys.pf = NULL;
+	aud_subsys.pf = NULL;
+    }
     return PJ_SUCCESS;
 }
 
diff --git a/pjmedia/src/pjmedia-audiodev/coreaudio_dev.c b/pjmedia/src/pjmedia-audiodev/coreaudio_dev.c
index fd77c99..c5a3e62 100644
--- a/pjmedia/src/pjmedia-audiodev/coreaudio_dev.c
+++ b/pjmedia/src/pjmedia-audiodev/coreaudio_dev.c
@@ -1111,7 +1111,17 @@
 {
     struct stream_list *it, *itBegin;
     pj_status_t status;
-
+    pj_thread_desc thread_desc;
+    pj_thread_t *thread;
+    
+    /* Register the thread with PJLIB, this is must for any external threads
+     * which need to use the PJLIB framework.
+     */
+    if (!pj_thread_is_registered()) {
+	pj_bzero(thread_desc, sizeof(pj_thread_desc));
+	status = pj_thread_register("intListener", thread_desc, &thread);
+    }
+    
     PJ_LOG(3, (THIS_FILE, "Session interrupted! --- %s ---",
 	   inInterruption == kAudioSessionBeginInterruption ?
 	   "Begin Interruption" : "End Interruption"));
diff --git a/pjmedia/src/pjmedia-audiodev/symb_aps_dev.cpp b/pjmedia/src/pjmedia-audiodev/symb_aps_dev.cpp
index a2b6738..309aaf5 100644
--- a/pjmedia/src/pjmedia-audiodev/symb_aps_dev.cpp
+++ b/pjmedia/src/pjmedia-audiodev/symb_aps_dev.cpp
@@ -1086,7 +1086,7 @@
 		    buf.iBuffer.Append((TUint8*)sf->data, len);
 		} else {
 		    enum {NO_DATA_FT = 15 };
-		    pj_uint8_t amr_header = 4 || (NO_DATA_FT << 3);
+		    pj_uint8_t amr_header = 4 | (NO_DATA_FT << 3);
 
 		    buf.iBuffer.Append(amr_header);
 		}
@@ -1095,7 +1095,7 @@
 	    
 	    } else { /* PJMEDIA_FRAME_TYPE_NONE */
 		enum {NO_DATA_FT = 15 };
-		pj_uint8_t amr_header = 4 || (NO_DATA_FT << 3);
+		pj_uint8_t amr_header = 4 | (NO_DATA_FT << 3);
 
 		buf.iBuffer.Append(amr_header);
 
diff --git a/pjmedia/src/pjmedia-audiodev/symb_mda_dev.cpp b/pjmedia/src/pjmedia-audiodev/symb_mda_dev.cpp
index d0e66bd..645ed39 100644
--- a/pjmedia/src/pjmedia-audiodev/symb_mda_dev.cpp
+++ b/pjmedia/src/pjmedia-audiodev/symb_mda_dev.cpp
@@ -239,6 +239,7 @@
     TPtr8		     iFramePtr_;
     TInt		     lastError_;
     pj_uint32_t		     timeStamp_;
+    CActiveSchedulerWait     startAsw_;
 
     // cache variable
     // to avoid calculating frame length repeatedly
@@ -363,6 +364,13 @@
     lastError_ = KRequestPending;
     iInputStream_->Open(&iStreamSettings);
     
+#if defined(PJMEDIA_AUDIO_DEV_MDA_USE_SYNC_START) && \
+    PJMEDIA_AUDIO_DEV_MDA_USE_SYNC_START != 0
+    
+    startAsw_.Start();
+    
+#endif
+    
     // Success
     PJ_LOG(4,(THIS_FILE, "Sound capture started."));
     return PJ_SUCCESS;
@@ -386,6 +394,10 @@
 	iInputStream_ = NULL;
     }
     
+    if (startAsw_.IsStarted()) {
+	startAsw_.AsyncStop();
+    }
+    
     state_ = STATE_INACTIVE;
 }
 
@@ -399,12 +411,25 @@
 
 void CPjAudioInputEngine::MaiscOpenComplete(TInt aError)
 {
+    if (startAsw_.IsStarted()) {
+	startAsw_.AsyncStop();
+    }
+    
     lastError_ = aError;
     if (aError != KErrNone) {
         snd_perror("Error in MaiscOpenComplete()", aError);
     	return;
     }
 
+    /* Apply input volume setting if specified */
+    if (parentStrm_->param.flags & 
+        PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING) 
+    {
+        stream_set_cap(&parentStrm_->base,
+                       PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING, 
+                       &parentStrm_->param.input_vol);
+    }
+
     // set stream priority to normal and time sensitive
     iInputStream_->SetPriority(EPriorityNormal, 
     			       EMdaPriorityPreferenceTime);				
@@ -414,7 +439,12 @@
     TRAPD(err2, iInputStream_->ReadL(frm));
     if (err2) {
     	PJ_LOG(4,(THIS_FILE, "Exception in iInputStream_->ReadL()"));
+	lastError_ = err2;
+	return;
     }
+
+    // input stream opened succesfully, set status to Active
+    state_ = STATE_ACTIVE;
 }
 
 void CPjAudioInputEngine::MaiscBufferCopied(TInt aError, 
@@ -547,6 +577,7 @@
     TPtrC8		     frame_;
     TInt		     lastError_;
     unsigned		     timestamp_;
+    CActiveSchedulerWait     startAsw_;
 
     CPjAudioOutputEngine(struct mda_stream *parent_strm,
 			 pjmedia_aud_play_cb play_cb,
@@ -638,6 +669,13 @@
     // Open stream.
     lastError_ = KRequestPending;
     iOutputStream_->Open(&iStreamSettings);
+    
+#if defined(PJMEDIA_AUDIO_DEV_MDA_USE_SYNC_START) && \
+    PJMEDIA_AUDIO_DEV_MDA_USE_SYNC_START != 0
+    
+    startAsw_.Start();
+    
+#endif
 
     // Success
     PJ_LOG(4,(THIS_FILE, "Sound playback started"));
@@ -662,17 +700,22 @@
 	iOutputStream_ = NULL;
     }
     
+    if (startAsw_.IsStarted()) {
+	startAsw_.AsyncStop();
+    }
+    
     state_ = STATE_INACTIVE;
 }
 
 void CPjAudioOutputEngine::MaoscOpenComplete(TInt aError)
 {
+    if (startAsw_.IsStarted()) {
+	startAsw_.AsyncStop();
+    }
+
     lastError_ = aError;
     
     if (aError==KErrNone) {
-	// output stream opened succesfully, set status to Active
-	state_ = STATE_ACTIVE;
-
 	// set stream properties, 16bit 8KHz mono
 	TMdaAudioDataSettings iSettings;
 	iSettings.iChannels = 
@@ -683,8 +726,17 @@
 	iOutputStream_->SetAudioPropertiesL(iSettings.iSampleRate, 
 					    iSettings.iChannels);
 
-	// set volume to 1/2th of stream max volume
-	iOutputStream_->SetVolume(iOutputStream_->MaxVolume()/2);
+        /* Apply output volume setting if specified */
+        if (parentStrm_->param.flags & 
+            PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING) 
+        {
+            stream_set_cap(&parentStrm_->base,
+                           PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING, 
+                           &parentStrm_->param.output_vol);
+        } else {
+            // set volume to 1/2th of stream max volume
+            iOutputStream_->SetVolume(iOutputStream_->MaxVolume()/2);
+        }
 	
 	// set stream priority to normal and time sensitive
 	iOutputStream_->SetPriority(EPriorityNormal, 
@@ -718,6 +770,9 @@
 	// until whole data buffer is written.
 	frame_.Set(frameBuf_, frameBufSize_);
 	iOutputStream_->WriteL(frame_);
+
+	// output stream opened succesfully, set status to Active
+	state_ = STATE_ACTIVE;
     } else {
     	snd_perror("Error in MaoscOpenComplete()", aError);
     }
@@ -881,7 +936,8 @@
     param->channel_count = 1;
     param->samples_per_frame = af->dev_info.default_samples_per_sec * 20 / 1000;
     param->bits_per_sample = BITS_PER_SAMPLE;
-    param->flags = af->dev_info.caps;
+    // Don't set the flags without specifying the flags value.
+    //param->flags = af->dev_info.caps;
 
     return PJ_SUCCESS;
 }
@@ -956,6 +1012,20 @@
 
     pj_memcpy(pi, &strm->param, sizeof(*pi));
     
+    /* Update the output volume setting */
+    if (stream_get_cap(s, PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING,
+		       &pi->output_vol) == PJ_SUCCESS)
+    {
+	pi->flags |= PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING;
+    }
+    
+    /* Update the input volume setting */
+    if (stream_get_cap(s, PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING,
+		       &pi->input_vol) == PJ_SUCCESS)
+    {
+	pi->flags |= PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING;
+    }
+    
     return PJ_SUCCESS;
 }
 
@@ -1034,7 +1104,7 @@
 	}
 	break;
     case PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING:
-	if (strm->param.dir & PJMEDIA_DIR_CAPTURE) {
+	if (strm->param.dir & PJMEDIA_DIR_PLAYBACK) {
 	    PJ_ASSERT_RETURN(strm->out_engine, PJ_EINVAL);
 	    
 	    TInt max_vol = strm->out_engine->GetMaxVolume();
diff --git a/pjmedia/src/pjmedia-audiodev/symb_vas_dev.cpp b/pjmedia/src/pjmedia-audiodev/symb_vas_dev.cpp
index fd4d080..bcd9d75 100644
--- a/pjmedia/src/pjmedia-audiodev/symb_vas_dev.cpp
+++ b/pjmedia/src/pjmedia-audiodev/symb_vas_dev.cpp
@@ -1130,7 +1130,7 @@
 		    buffer.Append((TUint8*)sf->data, len);
 		} else {
 		    enum {NO_DATA_FT = 15 };
-		    pj_uint8_t amr_header = 4 || (NO_DATA_FT << 3);
+		    pj_uint8_t amr_header = 4 | (NO_DATA_FT << 3);
 
 		    buffer.Append(amr_header);
 		}
@@ -1139,7 +1139,7 @@
 	    
 	    } else { /* PJMEDIA_FRAME_TYPE_NONE */
 		enum {NO_DATA_FT = 15 };
-		pj_uint8_t amr_header = 4 || (NO_DATA_FT << 3);
+		pj_uint8_t amr_header = 4 | (NO_DATA_FT << 3);
 
 		buffer.Append(amr_header);
 		
@@ -1746,12 +1746,6 @@
 	return PJ_RETURN_OS_ERROR(err);
     }
 
-    /* Apply output volume setting if specified */
-    if (param->flags & PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING) {
-	stream_set_cap(&strm->base, PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING, 
-		       &param->output_vol);
-    }
-
     /* Done */
     strm->base.op = &stream_op;
     *p_aud_strm = &strm->base;
@@ -1945,10 +1939,21 @@
     	} while (!stream->engine->IsStarted() &&
 		 (now.MicroSecondsFrom(start) < VAS_WAIT_START * 1000));
 	
-	if (stream->engine->IsStarted())
+	if (stream->engine->IsStarted()) {
+	    
+	    /* Apply output volume setting if specified */
+	    if (stream->param.flags & 
+		PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING) 
+	    {
+		stream_set_cap(strm,
+			       PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING, 
+			       &stream->param.output_vol);
+	    }
+
 	    return PJ_SUCCESS;
-	else
+	} else {
 	    return PJ_ETIMEDOUT;
+	}
     }    
 
     return PJ_EINVALIDOP;
diff --git a/pjmedia/src/pjmedia-codec/audio_codecs.c b/pjmedia/src/pjmedia-codec/audio_codecs.c
index a9e0700..eea9ba7 100644
--- a/pjmedia/src/pjmedia-codec/audio_codecs.c
+++ b/pjmedia/src/pjmedia-codec/audio_codecs.c
@@ -107,6 +107,13 @@
 	return status;
 #endif	/* PJMEDIA_HAS_L16_CODEC */
 
+#if PJMEDIA_HAS_OPENCORE_AMRNB_CODEC
+    /* Register OpenCORE AMR-NB */
+    status = pjmedia_codec_opencore_amrnb_init(endpt);
+    if (status != PJ_SUCCESS)
+	return status;
+#endif
+
     return PJ_SUCCESS;
 }
 
diff --git a/pjmedia/src/pjmedia-codec/ipp_codecs.c b/pjmedia/src/pjmedia-codec/ipp_codecs.c
index f5690ee..a2ead05 100644
--- a/pjmedia/src/pjmedia-codec/ipp_codecs.c
+++ b/pjmedia/src/pjmedia-codec/ipp_codecs.c
@@ -42,6 +42,7 @@
 
 #define THIS_FILE   "ipp_codecs.c"
 
+
 /* Prototypes for IPP codecs factory */
 static pj_status_t ipp_test_alloc( pjmedia_codec_factory *factory, 
 				   const pjmedia_codec_info *id );
@@ -238,9 +239,8 @@
 ipp_codec[] = 
 {
 #   if PJMEDIA_HAS_INTEL_IPP_CODEC_AMR
-    /* AMR-NB SID seems to produce noise, so let's just disable its VAD. */
     {1, "AMR",	    PJMEDIA_RTP_PT_AMR,       &USC_GSMAMR_Fxns,  8000, 1, 160, 
-		    7400, 12200, 2, 0, 1, 
+		    7400, 12200, 2, 1, 1, 
 		    &predecode_amr, &parse_amr, &pack_amr,
 		    {1, {{{"octet-align", 11}, {"1", 1}}} }
     },
@@ -488,9 +488,7 @@
     } else if (frame.size == 5) {
 	/* SID */
 	if (info->good_quality) {
-	    pj_bool_t STI;
-	    STI = (((pj_uint8_t*)frame.buf)[35 >> 3] & 0x10) != 0;
-	    usc_frame->frametype = STI? 2 : 1;
+	    usc_frame->frametype = info->STI? 2 : 1;
 	} else {
 	    usc_frame->frametype = setting->amr_nb ? 6 : 7;
 	}
@@ -534,6 +532,7 @@
 	info->frame_type = (pj_uint8_t)(info_ & 0x0F);
 	info->good_quality = (pj_uint8_t)((info_ & 0x80) == 0);
 	info->mode = (pj_int8_t) ((info_ >> 8) & 0x0F);
+	info->STI = (pj_uint8_t)((info_ >> 5) & 1);
 
 	frames[nframes].buf = r + 2;
 	frames[nframes].size = info->frame_type <= SID_FT ?
@@ -1419,6 +1418,7 @@
 
 	    /* Two octets for AMR frame info, 0=LSB:
 	     * bit 0-3	: frame type
+	     * bit 5	: STI flag
 	     * bit 6	: last frame flag
 	     * bit 7	: quality flag
 	     * bit 8-11	: mode
@@ -1442,6 +1442,9 @@
 		/* Quality */
 		if (out.frametype == 6 || out.frametype == 7)
 		    *info |= 0x80;
+		/* STI */
+		if (out.frametype != 1)
+		    *info |= 0x20;
 	    } else {
 		/* Untransmited */
 		*info = 15;
diff --git a/pjmedia/src/pjmedia-codec/opencore_amrnb.c b/pjmedia/src/pjmedia-codec/opencore_amrnb.c
new file mode 100644
index 0000000..eba5321
--- /dev/null
+++ b/pjmedia/src/pjmedia-codec/opencore_amrnb.c
@@ -0,0 +1,820 @@
+/* $Id */
+/* 
+ * Copyright (C) 2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2011 Dan Arrhenius <dan@keystream.se>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+ */
+
+/* 
+ * AMR-NB codec implementation with OpenCORE AMRNB library
+ */
+#include <pjmedia-codec/g722.h>
+#include <pjmedia/codec.h>
+#include <pjmedia/errno.h>
+#include <pjmedia/endpoint.h>
+#include <pjmedia/plc.h>
+#include <pjmedia/port.h>
+#include <pjmedia/silencedet.h>
+#include <pj/assert.h>
+#include <pj/log.h>
+#include <pj/pool.h>
+#include <pj/string.h>
+#include <pj/os.h>
+#include <pj/math.h>
+
+#if defined(PJMEDIA_HAS_OPENCORE_AMRNB_CODEC) && \
+    (PJMEDIA_HAS_OPENCORE_AMRNB_CODEC != 0)
+
+#include <opencore-amrnb/interf_enc.h>
+#include <opencore-amrnb/interf_dec.h>
+#include <pjmedia-codec/amr_helper.h>
+#include <pjmedia-codec/opencore_amrnb.h>
+
+#define THIS_FILE "opencore_amrnb.c"
+
+/* Tracing */
+#define PJ_TRACE    0
+
+#if PJ_TRACE
+#   define TRACE_(expr)	PJ_LOG(4,expr)
+#else
+#   define TRACE_(expr)
+#endif
+
+/* Use PJMEDIA PLC */
+#define USE_PJMEDIA_PLC	    1
+
+
+
+/* Prototypes for AMR-NB factory */
+static pj_status_t amr_test_alloc(pjmedia_codec_factory *factory, 
+				   const pjmedia_codec_info *id );
+static pj_status_t amr_default_attr(pjmedia_codec_factory *factory, 
+				     const pjmedia_codec_info *id, 
+				     pjmedia_codec_param *attr );
+static pj_status_t amr_enum_codecs(pjmedia_codec_factory *factory, 
+				    unsigned *count, 
+				    pjmedia_codec_info codecs[]);
+static pj_status_t amr_alloc_codec(pjmedia_codec_factory *factory, 
+				    const pjmedia_codec_info *id, 
+				    pjmedia_codec **p_codec);
+static pj_status_t amr_dealloc_codec(pjmedia_codec_factory *factory, 
+				      pjmedia_codec *codec );
+
+/* Prototypes for AMR-NB implementation. */
+static pj_status_t  amr_codec_init(pjmedia_codec *codec, 
+				    pj_pool_t *pool );
+static pj_status_t  amr_codec_open(pjmedia_codec *codec, 
+				    pjmedia_codec_param *attr );
+static pj_status_t  amr_codec_close(pjmedia_codec *codec );
+static pj_status_t  amr_codec_modify(pjmedia_codec *codec, 
+				      const pjmedia_codec_param *attr );
+static pj_status_t  amr_codec_parse(pjmedia_codec *codec,
+				     void *pkt,
+				     pj_size_t pkt_size,
+				     const pj_timestamp *ts,
+				     unsigned *frame_cnt,
+				     pjmedia_frame frames[]);
+static pj_status_t  amr_codec_encode(pjmedia_codec *codec, 
+				      const struct pjmedia_frame *input,
+				      unsigned output_buf_len, 
+				      struct pjmedia_frame *output);
+static pj_status_t  amr_codec_decode(pjmedia_codec *codec, 
+				      const struct pjmedia_frame *input,
+				      unsigned output_buf_len, 
+				      struct pjmedia_frame *output);
+static pj_status_t  amr_codec_recover(pjmedia_codec *codec,
+				      unsigned output_buf_len,
+				      struct pjmedia_frame *output);
+
+
+
+/* Definition for AMR-NB codec operations. */
+static pjmedia_codec_op amr_op = 
+{
+    &amr_codec_init,
+    &amr_codec_open,
+    &amr_codec_close,
+    &amr_codec_modify,
+    &amr_codec_parse,
+    &amr_codec_encode,
+    &amr_codec_decode,
+    &amr_codec_recover
+};
+
+/* Definition for AMR-NB codec factory operations. */
+static pjmedia_codec_factory_op amr_factory_op =
+{
+    &amr_test_alloc,
+    &amr_default_attr,
+    &amr_enum_codecs,
+    &amr_alloc_codec,
+    &amr_dealloc_codec
+};
+
+
+/* AMR-NB factory */
+static struct amr_codec_factory
+{
+    pjmedia_codec_factory    base;
+    pjmedia_endpt	    *endpt;
+    pj_pool_t		    *pool;
+} amr_codec_factory;
+
+
+/* AMR-NB codec private data. */
+struct amr_data
+{
+    pj_pool_t		*pool;
+    void		*encoder;
+    void		*decoder;
+    pj_bool_t		 plc_enabled;
+    pj_bool_t		 vad_enabled;
+    int			 enc_mode;
+    pjmedia_codec_amr_pack_setting enc_setting;
+    pjmedia_codec_amr_pack_setting dec_setting;
+#if USE_PJMEDIA_PLC
+    pjmedia_plc		*plc;
+#endif
+    pj_timestamp	 last_tx;
+};
+
+static pjmedia_codec_amrnb_config def_config =
+{
+    PJ_FALSE,	    /* octet align	*/
+    5900	    /* bitrate		*/
+};
+
+
+
+/*
+ * Initialize and register AMR-NB codec factory to pjmedia endpoint.
+ */
+PJ_DEF(pj_status_t) pjmedia_codec_opencore_amrnb_init( pjmedia_endpt *endpt )
+{
+    pjmedia_codec_mgr *codec_mgr;
+    pj_status_t status;
+
+    if (amr_codec_factory.pool != NULL)
+	return PJ_SUCCESS;
+
+    /* Create AMR-NB codec factory. */
+    amr_codec_factory.base.op = &amr_factory_op;
+    amr_codec_factory.base.factory_data = NULL;
+    amr_codec_factory.endpt = endpt;
+
+    amr_codec_factory.pool = pjmedia_endpt_create_pool(endpt, "amrnb", 1000, 
+						       1000);
+    if (!amr_codec_factory.pool)
+	return PJ_ENOMEM;
+
+    /* Get the codec manager. */
+    codec_mgr = pjmedia_endpt_get_codec_mgr(endpt);
+    if (!codec_mgr) {
+	status = PJ_EINVALIDOP;
+	goto on_error;
+    }
+
+    /* Register codec factory to endpoint. */
+    status = pjmedia_codec_mgr_register_factory(codec_mgr, 
+						&amr_codec_factory.base);
+    if (status != PJ_SUCCESS)
+	goto on_error;
+
+    /* Done. */
+    return PJ_SUCCESS;
+
+on_error:
+    pj_pool_release(amr_codec_factory.pool);
+    amr_codec_factory.pool = NULL;
+    return status;
+}
+
+
+/*
+ * Unregister AMR-NB codec factory from pjmedia endpoint and deinitialize
+ * the AMR-NB codec library.
+ */
+PJ_DEF(pj_status_t) pjmedia_codec_opencore_amrnb_deinit(void)
+{
+    pjmedia_codec_mgr *codec_mgr;
+    pj_status_t status;
+
+    if (amr_codec_factory.pool == NULL)
+	return PJ_SUCCESS;
+
+    /* Get the codec manager. */
+    codec_mgr = pjmedia_endpt_get_codec_mgr(amr_codec_factory.endpt);
+    if (!codec_mgr) {
+	pj_pool_release(amr_codec_factory.pool);
+	amr_codec_factory.pool = NULL;
+	return PJ_EINVALIDOP;
+    }
+
+    /* Unregister AMR-NB codec factory. */
+    status = pjmedia_codec_mgr_unregister_factory(codec_mgr,
+						  &amr_codec_factory.base);
+    
+    /* Destroy pool. */
+    pj_pool_release(amr_codec_factory.pool);
+    amr_codec_factory.pool = NULL;
+    
+    return status;
+}
+
+
+PJ_DEF(pj_status_t) pjmedia_codec_opencore_amrnb_set_config(
+			    const pjmedia_codec_amrnb_config *config)
+{
+    unsigned nbitrates;
+
+
+    def_config = *config;
+
+    /* Normalize bitrate. */
+    nbitrates = PJ_ARRAY_SIZE(pjmedia_codec_amrnb_bitrates);
+    if (def_config.bitrate < pjmedia_codec_amrnb_bitrates[0])
+	def_config.bitrate = pjmedia_codec_amrnb_bitrates[0];
+    else if (def_config.bitrate > pjmedia_codec_amrnb_bitrates[nbitrates-1])
+	def_config.bitrate = pjmedia_codec_amrnb_bitrates[nbitrates-1];
+    else
+    {
+	unsigned i;
+	
+	for (i = 0; i < nbitrates; ++i) {
+	    if (def_config.bitrate <= pjmedia_codec_amrnb_bitrates[i])
+		break;
+	}
+	def_config.bitrate = pjmedia_codec_amrnb_bitrates[i];
+    }
+
+    return PJ_SUCCESS;
+}
+
+/* 
+ * Check if factory can allocate the specified codec. 
+ */
+static pj_status_t amr_test_alloc( pjmedia_codec_factory *factory, 
+				   const pjmedia_codec_info *info )
+{
+    PJ_UNUSED_ARG(factory);
+
+    /* Check payload type. */
+    if (info->pt != PJMEDIA_RTP_PT_AMR)
+	return PJMEDIA_CODEC_EUNSUP;
+
+    /* Ignore the rest, since it's static payload type. */
+
+    return PJ_SUCCESS;
+}
+
+/*
+ * Generate default attribute.
+ */
+static pj_status_t amr_default_attr( pjmedia_codec_factory *factory, 
+				     const pjmedia_codec_info *id, 
+				     pjmedia_codec_param *attr )
+{
+    PJ_UNUSED_ARG(factory);
+    PJ_UNUSED_ARG(id);
+
+    pj_bzero(attr, sizeof(pjmedia_codec_param));
+    attr->info.clock_rate = 8000;
+    attr->info.channel_cnt = 1;
+    attr->info.avg_bps = def_config.bitrate;
+    attr->info.max_bps = pjmedia_codec_amrnb_bitrates[7];
+    attr->info.pcm_bits_per_sample = 16;
+    attr->info.frm_ptime = 20;
+    attr->info.pt = PJMEDIA_RTP_PT_AMR;
+
+    attr->setting.frm_per_pkt = 2;
+    attr->setting.vad = 1;
+    attr->setting.plc = 1;
+
+    if (def_config.octet_align) {
+	attr->setting.dec_fmtp.cnt = 1;
+	attr->setting.dec_fmtp.param[0].name = pj_str("octet-align");
+	attr->setting.dec_fmtp.param[0].val = pj_str("1");
+    }
+
+    /* Default all other flag bits disabled. */
+
+    return PJ_SUCCESS;
+}
+
+
+/*
+ * Enum codecs supported by this factory (i.e. only AMR-NB!).
+ */
+static pj_status_t amr_enum_codecs( pjmedia_codec_factory *factory, 
+				    unsigned *count, 
+				    pjmedia_codec_info codecs[])
+{
+    PJ_UNUSED_ARG(factory);
+    PJ_ASSERT_RETURN(codecs && *count > 0, PJ_EINVAL);
+
+    pj_bzero(&codecs[0], sizeof(pjmedia_codec_info));
+    codecs[0].encoding_name = pj_str("AMR");
+    codecs[0].pt = PJMEDIA_RTP_PT_AMR;
+    codecs[0].type = PJMEDIA_TYPE_AUDIO;
+    codecs[0].clock_rate = 8000;
+    codecs[0].channel_cnt = 1;
+
+    *count = 1;
+
+    return PJ_SUCCESS;
+}
+
+
+/*
+ * Allocate a new AMR-NB codec instance.
+ */
+static pj_status_t amr_alloc_codec( pjmedia_codec_factory *factory, 
+				    const pjmedia_codec_info *id,
+				    pjmedia_codec **p_codec)
+{
+    pj_pool_t *pool;
+    pjmedia_codec *codec;
+    struct amr_data *amr_data;
+    pj_status_t status;
+
+    PJ_ASSERT_RETURN(factory && id && p_codec, PJ_EINVAL);
+    PJ_ASSERT_RETURN(factory == &amr_codec_factory.base, PJ_EINVAL);
+
+    pool = pjmedia_endpt_create_pool(amr_codec_factory.endpt, "amrnb-inst", 
+				     512, 512);
+
+    codec = PJ_POOL_ZALLOC_T(pool, pjmedia_codec);
+    PJ_ASSERT_RETURN(codec != NULL, PJ_ENOMEM);
+    codec->op = &amr_op;
+    codec->factory = factory;
+
+    amr_data = PJ_POOL_ZALLOC_T(pool, struct amr_data);
+    codec->codec_data = amr_data;
+    amr_data->pool = pool;
+
+#if USE_PJMEDIA_PLC
+    /* Create PLC */
+    status = pjmedia_plc_create(pool, 8000, 160, 0, &amr_data->plc);
+    if (status != PJ_SUCCESS) {
+	return status;
+    }
+#else
+    PJ_UNUSED_ARG(status);
+#endif
+    *p_codec = codec;
+    return PJ_SUCCESS;
+}
+
+
+/*
+ * Free codec.
+ */
+static pj_status_t amr_dealloc_codec( pjmedia_codec_factory *factory, 
+				      pjmedia_codec *codec )
+{
+    struct amr_data *amr_data;
+
+    PJ_ASSERT_RETURN(factory && codec, PJ_EINVAL);
+    PJ_ASSERT_RETURN(factory == &amr_codec_factory.base, PJ_EINVAL);
+
+    amr_data = (struct amr_data*) codec->codec_data;
+
+    /* Close codec, if it's not closed. */
+    amr_codec_close(codec);
+
+    pj_pool_release(amr_data->pool);
+    amr_data = NULL;
+
+    return PJ_SUCCESS;
+}
+
+/*
+ * Init codec.
+ */
+static pj_status_t amr_codec_init( pjmedia_codec *codec, 
+				   pj_pool_t *pool )
+{
+    PJ_UNUSED_ARG(codec);
+    PJ_UNUSED_ARG(pool);
+    return PJ_SUCCESS;
+}
+
+
+/*
+ * Open codec.
+ */
+static pj_status_t amr_codec_open( pjmedia_codec *codec, 
+				   pjmedia_codec_param *attr )
+{
+    struct amr_data *amr_data = (struct amr_data*) codec->codec_data;
+    pjmedia_codec_amr_pack_setting *setting;
+    unsigned i;
+    pj_uint8_t octet_align = 0;
+    pj_int8_t enc_mode;
+    const pj_str_t STR_FMTP_OCTET_ALIGN = {"octet-align", 11};
+
+    PJ_ASSERT_RETURN(codec && attr, PJ_EINVAL);
+    PJ_ASSERT_RETURN(amr_data != NULL, PJ_EINVALIDOP);
+
+    enc_mode = pjmedia_codec_amr_get_mode(attr->info.avg_bps);
+    pj_assert(enc_mode >= 0 && enc_mode <= 7);
+
+    /* Check octet-align */
+    for (i = 0; i < attr->setting.dec_fmtp.cnt; ++i) {
+	if (pj_stricmp(&attr->setting.dec_fmtp.param[i].name, 
+		       &STR_FMTP_OCTET_ALIGN) == 0)
+	{
+	    octet_align = (pj_uint8_t)
+			  (pj_strtoul(&attr->setting.dec_fmtp.param[i].val));
+	    break;
+	}
+    }
+
+    /* Check mode-set */
+    for (i = 0; i < attr->setting.enc_fmtp.cnt; ++i) {
+	const pj_str_t STR_FMTP_MODE_SET = {"mode-set", 8};
+        
+	if (pj_stricmp(&attr->setting.enc_fmtp.param[i].name, 
+		       &STR_FMTP_MODE_SET) == 0)
+	{
+	    const char *p;
+	    pj_size_t l;
+	    pj_int8_t diff = 99;
+
+	    /* Encoding mode is chosen based on local default mode setting:
+	     * - if local default mode is included in the mode-set, use it
+	     * - otherwise, find the closest mode to local default mode;
+	     *   if there are two closest modes, prefer to use the higher
+	     *   one, e.g: local default mode is 4, the mode-set param
+	     *   contains '2,3,5,6', then 5 will be chosen.
+	     */
+	    p = pj_strbuf(&attr->setting.enc_fmtp.param[i].val);
+	    l = pj_strlen(&attr->setting.enc_fmtp.param[i].val);
+	    while (l--) {
+		if (*p>='0' && *p<='7') {
+		    pj_int8_t tmp = *p - '0' - enc_mode;
+
+		    if (PJ_ABS(diff) > PJ_ABS(tmp) || 
+			(PJ_ABS(diff) == PJ_ABS(tmp) && tmp > diff))
+		    {
+			diff = tmp;
+			if (diff == 0) break;
+		    }
+		}
+		++p;
+	    }
+	    PJ_ASSERT_RETURN(diff != 99, PJMEDIA_CODEC_EFAILED);
+
+	    enc_mode = enc_mode + diff;
+
+	    break;
+	}
+    }
+
+    amr_data->vad_enabled = (attr->setting.vad != 0);
+    amr_data->plc_enabled = (attr->setting.plc != 0);
+    amr_data->enc_mode = enc_mode;
+
+    amr_data->encoder = Encoder_Interface_init(amr_data->vad_enabled);
+    if (amr_data->encoder == NULL) {
+	TRACE_((THIS_FILE, "Encoder_Interface_init() failed"));
+	amr_codec_close(codec);
+	return PJMEDIA_CODEC_EFAILED;
+    }
+    setting = &amr_data->enc_setting;
+    pj_bzero(setting, sizeof(pjmedia_codec_amr_pack_setting));
+    setting->amr_nb = 1;
+    setting->reorder = 0;
+    setting->octet_aligned = octet_align;
+    setting->cmr = 15;
+
+    amr_data->decoder = Decoder_Interface_init();
+    if (amr_data->decoder == NULL) {
+	TRACE_((THIS_FILE, "Decoder_Interface_init() failed"));
+	amr_codec_close(codec);
+	return PJMEDIA_CODEC_EFAILED;
+    }
+    setting = &amr_data->dec_setting;
+    pj_bzero(setting, sizeof(pjmedia_codec_amr_pack_setting));
+    setting->amr_nb = 1;
+    setting->reorder = 0;
+    setting->octet_aligned = octet_align;
+
+    TRACE_((THIS_FILE, "AMR-NB codec allocated: vad=%d, plc=%d, bitrate=%d",
+			amr_data->vad_enabled, amr_data->plc_enabled, 
+			pjmedia_codec_amrnb_bitrates[amr_data->enc_mode]));
+    return PJ_SUCCESS;
+}
+
+
+/*
+ * Close codec.
+ */
+static pj_status_t amr_codec_close( pjmedia_codec *codec )
+{
+    struct amr_data *amr_data;
+
+    PJ_ASSERT_RETURN(codec, PJ_EINVAL);
+
+    amr_data = (struct amr_data*) codec->codec_data;
+    PJ_ASSERT_RETURN(amr_data != NULL, PJ_EINVALIDOP);
+
+    if (amr_data->encoder) {
+        Encoder_Interface_exit(amr_data->encoder);
+        amr_data->encoder = NULL;
+    }
+
+    if (amr_data->decoder) {
+        Decoder_Interface_exit(amr_data->decoder);
+        amr_data->decoder = NULL;
+    }
+    
+    TRACE_((THIS_FILE, "AMR-NB codec closed"));
+    return PJ_SUCCESS;
+}
+
+
+/*
+ * Modify codec settings.
+ */
+static pj_status_t amr_codec_modify( pjmedia_codec *codec, 
+				     const pjmedia_codec_param *attr )
+{
+    struct amr_data *amr_data = (struct amr_data*) codec->codec_data;
+    pj_bool_t prev_vad_state;
+
+    pj_assert(amr_data != NULL);
+    pj_assert(amr_data->encoder != NULL && amr_data->decoder != NULL);
+
+    prev_vad_state = amr_data->vad_enabled;
+    amr_data->vad_enabled = (attr->setting.vad != 0);
+    amr_data->plc_enabled = (attr->setting.plc != 0);
+
+    if (prev_vad_state != amr_data->vad_enabled) {
+	/* Reinit AMR encoder to update VAD setting */
+	TRACE_((THIS_FILE, "Reiniting AMR encoder to update VAD setting."));
+        Encoder_Interface_exit(amr_data->encoder);
+        amr_data->encoder = Encoder_Interface_init(amr_data->vad_enabled);
+        if (amr_data->encoder == NULL) {
+	    TRACE_((THIS_FILE, "Encoder_Interface_init() failed"));
+	    amr_codec_close(codec);
+	    return PJMEDIA_CODEC_EFAILED;
+	}
+    }
+
+    TRACE_((THIS_FILE, "AMR-NB codec modified: vad=%d, plc=%d",
+			amr_data->vad_enabled, amr_data->plc_enabled));
+    return PJ_SUCCESS;
+}
+
+
+/*
+ * Get frames in the packet.
+ */
+static pj_status_t amr_codec_parse( pjmedia_codec *codec,
+				    void *pkt,
+				    pj_size_t pkt_size,
+				    const pj_timestamp *ts,
+				    unsigned *frame_cnt,
+				    pjmedia_frame frames[])
+{
+    struct amr_data *amr_data = (struct amr_data*) codec->codec_data;
+    pj_uint8_t cmr;
+    pj_status_t status;
+
+    status = pjmedia_codec_amr_parse(pkt, pkt_size, ts, &amr_data->dec_setting,
+				     frames, frame_cnt, &cmr);
+    if (status != PJ_SUCCESS)
+	return status;
+
+    /* Check for Change Mode Request. */
+    if (cmr <= 7 && amr_data->enc_mode != cmr) {
+	amr_data->enc_mode = cmr;
+	TRACE_((THIS_FILE, "AMR-NB encoder switched mode to %d (%dbps)",
+			    amr_data->enc_mode, 
+			    pjmedia_codec_amrnb_bitrates[amr_data->enc_mode]));
+    }
+
+    return PJ_SUCCESS;
+}
+
+
+/*
+ * Encode frame.
+ */
+static pj_status_t amr_codec_encode( pjmedia_codec *codec, 
+				     const struct pjmedia_frame *input,
+				     unsigned output_buf_len, 
+				     struct pjmedia_frame *output)
+{
+    struct amr_data *amr_data = (struct amr_data*) codec->codec_data;
+    unsigned char *bitstream;
+    pj_int16_t *speech;
+    unsigned nsamples, samples_per_frame;
+    enum {MAX_FRAMES_PER_PACKET = 16};
+    pjmedia_frame frames[MAX_FRAMES_PER_PACKET];
+    pj_uint8_t *p;
+    unsigned i, out_size = 0, nframes = 0;
+    pj_size_t payload_len;
+    unsigned dtx_cnt, sid_cnt;
+    pj_status_t status;
+    int size;
+
+    pj_assert(amr_data != NULL);
+    PJ_ASSERT_RETURN(input && output, PJ_EINVAL);
+
+    nsamples = input->size >> 1;
+    samples_per_frame = 160;
+    PJ_ASSERT_RETURN(nsamples % samples_per_frame == 0, 
+		     PJMEDIA_CODEC_EPCMFRMINLEN);
+
+    nframes = nsamples / samples_per_frame;
+    PJ_ASSERT_RETURN(nframes <= MAX_FRAMES_PER_PACKET, 
+		     PJMEDIA_CODEC_EFRMTOOSHORT);
+
+    /* Encode the frames */
+    speech = (pj_int16_t*)input->buf;
+    bitstream = (unsigned char*)output->buf;
+    while (nsamples >= samples_per_frame) {
+        size = Encoder_Interface_Encode (amr_data->encoder, amr_data->enc_mode,
+                                         speech, bitstream, 0);
+	if (size == 0) {
+	    output->size = 0;
+	    output->buf = NULL;
+	    output->type = PJMEDIA_FRAME_TYPE_NONE;
+	    TRACE_((THIS_FILE, "AMR-NB encode() failed"));
+	    return PJMEDIA_CODEC_EFAILED;
+	}
+	nsamples -= 160;
+	speech += samples_per_frame;
+	bitstream += size;
+	out_size += size;
+	TRACE_((THIS_FILE, "AMR-NB encode(): mode=%d, size=%d",
+		amr_data->enc_mode, out_size));
+    }
+
+    /* Pack payload */
+    p = (pj_uint8_t*)output->buf + output_buf_len - out_size;
+    pj_memmove(p, output->buf, out_size);
+    dtx_cnt = sid_cnt = 0;
+    for (i = 0; i < nframes; ++i) {
+	pjmedia_codec_amr_bit_info *info = (pjmedia_codec_amr_bit_info*)
+					   &frames[i].bit_info;
+	info->frame_type = (pj_uint8_t)((*p >> 3) & 0x0F);
+	info->good_quality = (pj_uint8_t)((*p >> 2) & 0x01);
+	info->mode = (pj_int8_t)amr_data->enc_mode;
+	info->start_bit = 0;
+	frames[i].buf = p + 1;
+	frames[i].size = (info->frame_type <= 8)? 
+			 pjmedia_codec_amrnb_framelen[info->frame_type] : 0;
+	p += frames[i].size + 1;
+
+	/* Count the number of SID and DTX frames */
+	if (info->frame_type == 15) /* DTX*/
+	    ++dtx_cnt;
+	else if (info->frame_type == 8) /* SID */
+	    ++sid_cnt;
+    }
+
+    /* VA generates DTX frames as DTX+SID frames switching quickly and it
+     * seems that the SID frames occur too often (assuming the purpose is 
+     * only for keeping NAT alive?). So let's modify the behavior a bit.
+     * Only an SID frame will be sent every PJMEDIA_CODEC_MAX_SILENCE_PERIOD
+     * milliseconds.
+     */
+    if (sid_cnt + dtx_cnt == nframes) {
+	pj_int32_t dtx_duration;
+
+	dtx_duration = pj_timestamp_diff32(&amr_data->last_tx, 
+					   &input->timestamp);
+	if (PJMEDIA_CODEC_MAX_SILENCE_PERIOD == -1 ||
+	    dtx_duration < PJMEDIA_CODEC_MAX_SILENCE_PERIOD*8000/1000) 
+	{
+	    output->size = 0;
+	    output->type = PJMEDIA_FRAME_TYPE_NONE;
+	    output->timestamp = input->timestamp;
+	    return PJ_SUCCESS;
+	}
+    }
+
+    payload_len = output_buf_len;
+
+    status = pjmedia_codec_amr_pack(frames, nframes, &amr_data->enc_setting,
+				    output->buf, &payload_len);
+    if (status != PJ_SUCCESS) {
+	output->size = 0;
+	output->buf = NULL;
+	output->type = PJMEDIA_FRAME_TYPE_NONE;
+	TRACE_((THIS_FILE, "Failed to pack AMR payload, status=%d", status));
+	return status;
+    }
+
+    output->size = payload_len;
+    output->type = PJMEDIA_FRAME_TYPE_AUDIO;
+    output->timestamp = input->timestamp;
+
+    amr_data->last_tx = input->timestamp;
+
+    return PJ_SUCCESS;
+}
+
+
+/*
+ * Decode frame.
+ */
+static pj_status_t amr_codec_decode( pjmedia_codec *codec, 
+				     const struct pjmedia_frame *input,
+				     unsigned output_buf_len, 
+				     struct pjmedia_frame *output)
+{
+    struct amr_data *amr_data = (struct amr_data*) codec->codec_data;
+    pjmedia_frame input_;
+    pjmedia_codec_amr_bit_info *info;
+    /* VA AMR-NB decoding buffer: AMR-NB max frame size + 1 byte header. */
+    unsigned char bitstream[32];
+
+    pj_assert(amr_data != NULL);
+    PJ_ASSERT_RETURN(input && output, PJ_EINVAL);
+
+    if (output_buf_len < 320)
+	return PJMEDIA_CODEC_EPCMTOOSHORT;
+
+    input_.buf = &bitstream[1];
+    input_.size = 31; /* AMR-NB max frame size */
+    pjmedia_codec_amr_predecode(input, &amr_data->dec_setting, &input_);
+    info = (pjmedia_codec_amr_bit_info*)&input_.bit_info;
+
+    /* VA AMRNB decoder requires frame info in the first byte. */
+    bitstream[0] = (info->frame_type << 3) | (info->good_quality << 2);
+
+    TRACE_((THIS_FILE, "AMR-NB decode(): mode=%d, ft=%d, size=%d",
+	    info->mode, info->frame_type, input_.size));
+
+    /* Decode */
+    Decoder_Interface_Decode(amr_data->decoder, bitstream,
+                             (pj_int16_t*)output->buf, 0);
+
+    output->size = 320;
+    output->type = PJMEDIA_FRAME_TYPE_AUDIO;
+    output->timestamp = input->timestamp;
+
+#if USE_PJMEDIA_PLC
+    if (amr_data->plc_enabled)
+	pjmedia_plc_save(amr_data->plc, (pj_int16_t*)output->buf);
+#endif
+
+    return PJ_SUCCESS;
+}
+
+
+/*
+ * Recover lost frame.
+ */
+#if USE_PJMEDIA_PLC
+/*
+ * Recover lost frame.
+ */
+static pj_status_t  amr_codec_recover( pjmedia_codec *codec,
+				       unsigned output_buf_len,
+				       struct pjmedia_frame *output)
+{
+    struct amr_data *amr_data = codec->codec_data;
+
+    TRACE_((THIS_FILE, "amr_codec_recover"));
+
+    PJ_ASSERT_RETURN(amr_data->plc_enabled, PJ_EINVALIDOP);
+
+    PJ_ASSERT_RETURN(output_buf_len >= 320,  PJMEDIA_CODEC_EPCMTOOSHORT);
+
+    pjmedia_plc_generate(amr_data->plc, (pj_int16_t*)output->buf);
+
+    output->size = 320;
+    output->type = PJMEDIA_FRAME_TYPE_AUDIO;
+    
+    return PJ_SUCCESS;
+}
+#endif
+
+#if defined(_MSC_VER) && PJMEDIA_AUTO_LINK_OPENCORE_AMR_LIBS
+#  if PJMEDIA_OPENCORE_AMR_BUILT_WITH_GCC
+#   pragma comment( lib, "libopencore-amrnb.a")
+#  else
+#   error Unsupported OpenCORE AMR library, fix here
+#  endif
+#endif
+
+#endif
diff --git a/pjmedia/src/pjmedia-codec/passthrough.c b/pjmedia/src/pjmedia-codec/passthrough.c
index 8ded8e2..8fdd827 100644
--- a/pjmedia/src/pjmedia-codec/passthrough.c
+++ b/pjmedia/src/pjmedia-codec/passthrough.c
@@ -267,6 +267,8 @@
 	}
 	info->good_quality = 1;
 	info->mode = setting->enc_mode;
+	if (info->frame_type == SID_FT)
+	    info->STI = (sf->data[4] >> 4) & 1;
 
 	frames[i].buf = sf->data;
 	frames[i].size = len;
diff --git a/pjmedia/src/pjmedia/alaw_ulaw.c b/pjmedia/src/pjmedia/alaw_ulaw.c
index 7bb5c77..0a14de8 100644
--- a/pjmedia/src/pjmedia/alaw_ulaw.c
+++ b/pjmedia/src/pjmedia/alaw_ulaw.c
@@ -128,6 +128,12 @@
 	} else {
 		mask = 0x55;		/* sign bit = 0 */
 		pcm_val = -pcm_val - 8;
+
+		/* https://trac.pjsip.org/repos/ticket/1301 
+		 * Thank you K Johnson - Zetron - 27 May 2011
+		 */
+		if (pcm_val < 0)
+		    pcm_val = 0;
 	}
 
 	/* Convert the scaled magnitude to segment number. */
diff --git a/pjmedia/src/pjmedia/delaybuf.c b/pjmedia/src/pjmedia/delaybuf.c
index a54ec5d..9042ef9 100644
--- a/pjmedia/src/pjmedia/delaybuf.c
+++ b/pjmedia/src/pjmedia/delaybuf.c
@@ -100,9 +100,6 @@
 
     PJ_ASSERT_RETURN(pool && samples_per_frame && clock_rate && channel_count &&
 		     p_b, PJ_EINVAL);
-    PJ_ASSERT_RETURN(options==0, PJ_EINVAL);
-
-    PJ_UNUSED_ARG(options);
 
     if (!name) {
 	name = "delaybuf";
@@ -127,11 +124,16 @@
     if (status != PJ_SUCCESS)
 	return status;
 
-    /* Create WSOLA */
-    status = pjmedia_wsola_create(pool, clock_rate, samples_per_frame, 1,
-				  PJMEDIA_WSOLA_NO_FADING, &b->wsola);
-    if (status != PJ_SUCCESS)
-	return status;
+    if (!(options & PJMEDIA_DELAY_BUF_SIMPLE_FIFO)) {
+        /* Create WSOLA */
+        status = pjmedia_wsola_create(pool, clock_rate, samples_per_frame, 1,
+				      PJMEDIA_WSOLA_NO_FADING, &b->wsola);
+        if (status != PJ_SUCCESS)
+	    return status;
+        PJ_LOG(5, (b->obj_name, "Using delay buffer with WSOLA."));
+    } else {
+        PJ_LOG(5, (b->obj_name, "Using simple FIFO delay buffer."));
+    }
 
     /* Finally, create mutex */
     status = pj_lock_create_recursive_mutex(pool, b->obj_name, 
@@ -148,15 +150,17 @@
 
 PJ_DEF(pj_status_t) pjmedia_delay_buf_destroy(pjmedia_delay_buf *b)
 {
-    pj_status_t status;
+    pj_status_t status = PJ_SUCCESS;
 
     PJ_ASSERT_RETURN(b, PJ_EINVAL);
 
     pj_lock_acquire(b->lock);
 
-    status = pjmedia_wsola_destroy(b->wsola);
-    if (status == PJ_SUCCESS)
-	b->wsola = NULL;
+    if (b->wsola) {
+        status = pjmedia_wsola_destroy(b->wsola);
+        if (status == PJ_SUCCESS)
+	    b->wsola = NULL;
+    }
 
     pj_lock_release(b->lock);
 
@@ -265,12 +269,14 @@
 
     pj_lock_acquire(b->lock);
 
-    update(b, OP_PUT);
+    if (b->wsola) {
+        update(b, OP_PUT);
     
-    status = pjmedia_wsola_save(b->wsola, frame, PJ_FALSE);
-    if (status != PJ_SUCCESS) {
-	pj_lock_release(b->lock);
-	return status;
+        status = pjmedia_wsola_save(b->wsola, frame, PJ_FALSE);
+        if (status != PJ_SUCCESS) {
+	    pj_lock_release(b->lock);
+	    return status;
+        }
     }
 
     /* Overflow checking */
@@ -278,13 +284,15 @@
 	b->max_cnt)
     {
 	unsigned erase_cnt;
-	
-	/* shrink one frame or just the diff? */
-	//erase_cnt = b->samples_per_frame;
-	erase_cnt = pjmedia_circ_buf_get_len(b->circ_buf) + 
-		    b->samples_per_frame - b->max_cnt;
 
-	shrink_buffer(b, erase_cnt);
+        if (b->wsola) {
+	    /* shrink one frame or just the diff? */
+	    //erase_cnt = b->samples_per_frame;
+	    erase_cnt = pjmedia_circ_buf_get_len(b->circ_buf) + 
+		        b->samples_per_frame - b->max_cnt;
+
+	    shrink_buffer(b, erase_cnt);
+        }
 
 	/* Check if shrinking failed or erased count is less than requested,
 	 * delaybuf needs to drop eldest samples, this is bad since the voice
@@ -298,9 +306,9 @@
 
 	    pjmedia_circ_buf_adv_read_ptr(b->circ_buf, erase_cnt);
 
-	    PJ_LOG(4,(b->obj_name,"Shrinking failed or insufficient, dropping"
-		      " %d eldest samples, buf_cnt=%d", erase_cnt, 
-		      pjmedia_circ_buf_get_len(b->circ_buf)));
+	    PJ_LOG(4,(b->obj_name,"%sDropping %d eldest samples, buf_cnt=%d",
+                      (b->wsola? "Shrinking failed or insufficient. ": ""),
+                      erase_cnt, pjmedia_circ_buf_get_len(b->circ_buf)));
 	}
     }
 
@@ -313,13 +321,14 @@
 PJ_DEF(pj_status_t) pjmedia_delay_buf_get( pjmedia_delay_buf *b,
 					   pj_int16_t frame[])
 {
-    pj_status_t status;
+    pj_status_t status = PJ_SUCCESS;
 
     PJ_ASSERT_RETURN(b && frame, PJ_EINVAL);
 
     pj_lock_acquire(b->lock);
 
-    update(b, OP_GET);
+    if (b->wsola)
+        update(b, OP_GET);
 
     /* Starvation checking */
     if (pjmedia_circ_buf_get_len(b->circ_buf) < b->samples_per_frame) {
@@ -327,24 +336,29 @@
 	PJ_LOG(4,(b->obj_name,"Underflow, buf_cnt=%d, will generate 1 frame",
 		  pjmedia_circ_buf_get_len(b->circ_buf)));
 
-	status = pjmedia_wsola_generate(b->wsola, frame);
+        if (b->wsola) {
+            status = pjmedia_wsola_generate(b->wsola, frame);
 
-	if (status == PJ_SUCCESS) {
-	    TRACE__((b->obj_name,"Successfully generate 1 frame"));
-	    if (pjmedia_circ_buf_get_len(b->circ_buf) == 0) {
-		pj_lock_release(b->lock);
-		return PJ_SUCCESS;
-	    }
+	    if (status == PJ_SUCCESS) {
+	        TRACE__((b->obj_name,"Successfully generate 1 frame"));
+	        if (pjmedia_circ_buf_get_len(b->circ_buf) == 0) {
+		    pj_lock_release(b->lock);
+		    return PJ_SUCCESS;
+	        }
 
-	    /* Put generated frame into buffer */
-	    pjmedia_circ_buf_write(b->circ_buf, frame, b->samples_per_frame);
+	        /* Put generated frame into buffer */
+	        pjmedia_circ_buf_write(b->circ_buf, frame,
+                                       b->samples_per_frame);
+            }
+        }
 
-	} else {
+	if (!b->wsola || status != PJ_SUCCESS) {
 	    unsigned buf_len = pjmedia_circ_buf_get_len(b->circ_buf);
 	    
 	    /* Give all what delay buffer has, then pad with zeroes */
-	    PJ_LOG(4,(b->obj_name,"Error generating frame, status=%d", 
-		      status));
+            if (b->wsola)
+	        PJ_LOG(4,(b->obj_name,"Error generating frame, status=%d", 
+		          status));
 
 	    pjmedia_circ_buf_read(b->circ_buf, frame, buf_len);
 	    pjmedia_zero_samples(&frame[buf_len], 
@@ -379,7 +393,8 @@
     pjmedia_circ_buf_reset(b->circ_buf);
 
     /* Reset WSOLA */
-    pjmedia_wsola_reset(b->wsola, 0);
+    if (b->wsola)
+        pjmedia_wsola_reset(b->wsola, 0);
 
     pj_lock_release(b->lock);
 
diff --git a/pjmedia/src/pjmedia/echo_common.c b/pjmedia/src/pjmedia/echo_common.c
index 7316dfe..191a80f 100644
--- a/pjmedia/src/pjmedia/echo_common.c
+++ b/pjmedia/src/pjmedia/echo_common.c
@@ -145,6 +145,7 @@
 					 pjmedia_echo_state **p_echo )
 {
     unsigned ptime, lat_cnt;
+    unsigned delay_buf_opt = 0;
     pjmedia_echo_state *ec;
     pj_status_t status;
 
@@ -212,10 +213,12 @@
     }
 
     /* Create delay buffer to compensate drifts */
+    if (options & PJMEDIA_ECHO_USE_SIMPLE_FIFO)
+        delay_buf_opt |= PJMEDIA_DELAY_BUF_SIMPLE_FIFO;
     status = pjmedia_delay_buf_create(ec->pool, ec->obj_name, clock_rate, 
 				      samples_per_frame, channel_count,
 				      (PJMEDIA_SOUND_BUFFER_COUNT+1) * ptime,
-				      0, &ec->delay_buf);
+				      delay_buf_opt, &ec->delay_buf);
     if (status != PJ_SUCCESS) {
 	pj_pool_release(pool);
 	return status;
diff --git a/pjmedia/src/pjmedia/jbuf.c b/pjmedia/src/pjmedia/jbuf.c
index 52a3b0e..94a88c1 100644
--- a/pjmedia/src/pjmedia/jbuf.c
+++ b/pjmedia/src/pjmedia/jbuf.c
@@ -32,14 +32,6 @@
 #define THIS_FILE   "jbuf.c"
 
 
-/* Minimal difference between JB size and 2*burst-level to perform 
- * JB shrinking. 
- */
-#define SAFE_SHRINKING_DIFF	1
-
-/* Minimal gap (in ms) between JB shrinking */
-#define MIN_SHRINK_GAP_MSEC	200
-
 /* Invalid sequence number, used as the initial value. */
 #define INVALID_OFFSET		-9999
 
@@ -54,6 +46,12 @@
 #define INIT_CYCLE		10
 
 
+/* Minimal difference between JB size and 2*burst-level to perform 
+ * JB shrinking in static discard algorithm. 
+ */
+#define STA_DISC_SAFE_SHRINKING_DIFF	1
+
+
 /* Struct of JB internal buffer, represented in a circular buffer containing
  * frame content, frame type, frame length, and frame bit info.
  */
@@ -82,6 +80,11 @@
 } jb_framelist_t;
 
 
+typedef void (*discard_algo)(pjmedia_jbuf *jb);
+static void jbuf_discard_static(pjmedia_jbuf *jb);
+static void jbuf_discard_progressive(pjmedia_jbuf *jb);
+
+
 struct pjmedia_jbuf
 {
     /* Settings (consts) */
@@ -98,6 +101,7 @@
 					     won't be included in level 
 					     calculation		    */
     int		    jb_min_shrink_gap;	/**< How often can we shrink	    */
+    discard_algo    jb_discard_algo;	/**< Discard algorithm		    */
 
     /* Buffer */
     jb_framelist_t  jb_framelist;	/**< the buffer			    */
@@ -120,13 +124,16 @@
 					     operation), the value may be
 					     continuously updated based on
 					     current frame burst level.	    */
+    pj_bool_t	    jb_prefetching;	/**< flag if jbuf is prefetching.   */
     int		    jb_status;		/**< status is 'init' until the	first 
 					     'put' operation		    */
     int		    jb_init_cycle_cnt;	/**< status is 'init' until the	first 
 					     'put' operation		    */
-    int		    jb_last_del_seq;	/**< Seq # of last frame deleted    */
 
-    int		    jb_last_discard_seq;/**< Seq # of last frame discarded  */
+    int		    jb_discard_ref;	/**< Seq # of last frame deleted or
+					     discarded			    */
+    unsigned	    jb_discard_dist;	/**< Distance from jb_discard_ref
+					     to perform discard (in frm)    */
 
     /* Statistics */
     pj_math_stat    jb_delay;		/**< Delay statistics of jitter buffer 
@@ -141,7 +148,6 @@
 
 #define JB_STATUS_INITIALIZING	0
 #define JB_STATUS_PROCESSING	1
-#define JB_STATUS_PREFETCHING	2
 
 
 
@@ -451,7 +457,7 @@
     enum { MAX_MISORDER = 100 };
     enum { MAX_DROPOUT = 3000 };
 
-    assert(frame_size <= framelist->frame_size);
+    PJ_ASSERT_RETURN(frame_size <= framelist->frame_size, PJ_EINVAL);
 
     /* too late or sequence restart */
     if (index < framelist->origin) {
@@ -507,15 +513,32 @@
 	/* copy frame content */
 	pj_memcpy(framelist->content + pos * framelist->frame_size,
 		  frame, frame_size);
-	return PJ_SUCCESS;
-    } else {
-	/* frame is being discarded */
-	framelist->discarded_num++;
-	return PJ_EIGNORED;
     }
+
+    return PJ_SUCCESS;
 }
 
 
+static pj_status_t jb_framelist_discard(jb_framelist_t *framelist,
+				        int index)
+{
+    unsigned pos;
+
+    PJ_ASSERT_RETURN(index >= framelist->origin &&
+		     index <  framelist->origin + (int)framelist->size,
+		     PJ_EINVAL);
+
+    /* Get the slot position */
+    pos = (framelist->head + (index - framelist->origin)) %
+	  framelist->max_count;
+
+    /* Discard the frame */
+    framelist->frame_type[pos] = PJMEDIA_JB_DISCARDED_FRAME;
+    framelist->discarded_num++;
+
+    return PJ_SUCCESS;
+}
+
 
 enum pjmedia_jb_op
 {
@@ -548,13 +571,13 @@
     jb->jb_min_prefetch  = 0;
     jb->jb_max_prefetch  = max_count*4/5;
     jb->jb_max_count	 = max_count;
-    jb->jb_min_shrink_gap= MIN_SHRINK_GAP_MSEC / ptime;
+    jb->jb_min_shrink_gap= PJMEDIA_JBUF_DISC_MIN_GAP / ptime;
     jb->jb_max_burst	 = PJ_MAX(MAX_BURST_MSEC / ptime, max_count*3/4);
-    jb->jb_last_discard_seq = 0;
 
     pj_math_stat_init(&jb->jb_delay);
     pj_math_stat_init(&jb->jb_burst);
 
+    pjmedia_jbuf_set_discard(jb, PJMEDIA_JB_DISCARD_PROGRESSIVE);
     pjmedia_jbuf_reset(jb);
 
     *p_jb = jb;
@@ -589,7 +612,7 @@
 					       unsigned max_prefetch)
 {
     PJ_ASSERT_RETURN(jb, PJ_EINVAL);
-    PJ_ASSERT_RETURN(min_prefetch < max_prefetch &&
+    PJ_ASSERT_RETURN(min_prefetch <= max_prefetch &&
 		     prefetch <= max_prefetch &&
 		     max_prefetch <= jb->jb_max_count,
 		     PJ_EINVAL);
@@ -602,6 +625,30 @@
 }
 
 
+PJ_DEF(pj_status_t) pjmedia_jbuf_set_discard( pjmedia_jbuf *jb,
+					      pjmedia_jb_discard_algo algo)
+{
+    PJ_ASSERT_RETURN(jb, PJ_EINVAL);
+    PJ_ASSERT_RETURN(algo >= PJMEDIA_JB_DISCARD_NONE &&
+		     algo <= PJMEDIA_JB_DISCARD_PROGRESSIVE,
+		     PJ_EINVAL);
+
+    switch(algo) {
+    case PJMEDIA_JB_DISCARD_PROGRESSIVE:
+	jb->jb_discard_algo = &jbuf_discard_progressive;
+	break;
+    case PJMEDIA_JB_DISCARD_STATIC:
+	jb->jb_discard_algo = &jbuf_discard_static;
+	break;
+    default:
+	jb->jb_discard_algo = NULL;
+	break;
+    }
+
+    return PJ_SUCCESS;
+}
+
+
 PJ_DEF(pj_status_t) pjmedia_jbuf_reset(pjmedia_jbuf *jb)
 {
     jb->jb_level	 = 0;
@@ -610,6 +657,8 @@
     jb->jb_status	 = JB_STATUS_INITIALIZING;
     jb->jb_init_cycle_cnt= 0;
     jb->jb_max_hist_level= 0;
+    jb->jb_prefetching   = (jb->jb_prefetch != 0);
+    jb->jb_discard_dist  = 0;
 
     jb_framelist_reset(&jb->jb_framelist);
 
@@ -621,11 +670,13 @@
 {
     PJ_LOG(5, (jb->jb_name.ptr, ""
 	       "JB summary:\n"
-	       "  size=%d prefetch=%d level=%d\n"
+	       "  size=%d/eff=%d prefetch=%d level=%d\n"
 	       "  delay (min/max/avg/dev)=%d/%d/%d/%d ms\n"
 	       "  burst (min/max/avg/dev)=%d/%d/%d/%d frames\n"
 	       "  lost=%d discard=%d empty=%d",
-	       jb->jb_framelist.size, jb->jb_prefetch, jb->jb_eff_level,
+	       jb_framelist_size(&jb->jb_framelist), 
+	       jb_framelist_eff_size(&jb->jb_framelist), 
+	       jb->jb_prefetch, jb->jb_eff_level,
 	       jb->jb_delay.min, jb->jb_delay.max, jb->jb_delay.mean, 
 	       pj_math_stat_get_stddev(&jb->jb_delay),
 	       jb->jb_burst.min, jb->jb_burst.max, jb->jb_burst.mean, 
@@ -712,6 +763,136 @@
     }
 }
 
+
+static void jbuf_discard_static(pjmedia_jbuf *jb)
+{
+    /* These code is used for shortening the delay in the jitter buffer.
+     * It needs shrink only when there is possibility of drift. Drift
+     * detection is performed by inspecting the jitter buffer size, if
+     * its size is twice of current burst level, there can be drift.
+     *
+     * Moreover, normally drift level is quite low, so JB shouldn't need
+     * to shrink aggresively, it will shrink maximum one frame per 
+     * PJMEDIA_JBUF_DISC_MIN_GAP ms. Theoritically, JB may handle drift level 
+     * as much as = FRAME_PTIME/PJMEDIA_JBUF_DISC_MIN_GAP * 100%
+     *
+     * Whenever there is drift, where PUT > GET, this method will keep 
+     * the latency (JB size) as much as twice of burst level.
+     */
+
+    /* Shrinking due of drift will be implicitly done by progressive discard,
+     * so just disable it when progressive discard is active.
+     */
+    int diff, burst_level;
+
+    burst_level = PJ_MAX(jb->jb_eff_level, jb->jb_level);
+    diff = jb_framelist_eff_size(&jb->jb_framelist) - burst_level*2;
+
+    if (diff >= STA_DISC_SAFE_SHRINKING_DIFF) {
+	int seq_origin;
+
+	/* Check and adjust jb_discard_ref, in case there was 
+	 * seq restart 
+	 */
+	seq_origin = jb_framelist_origin(&jb->jb_framelist);
+	if (seq_origin < jb->jb_discard_ref)
+	    jb->jb_discard_ref = seq_origin;
+
+	if (seq_origin - jb->jb_discard_ref >= jb->jb_min_shrink_gap)
+	{
+	    /* Shrink slowly, one frame per cycle */
+	    diff = 1;
+
+	    /* Drop frame(s)! */
+	    diff = jb_framelist_remove_head(&jb->jb_framelist, diff);
+	    jb->jb_discard_ref = jb_framelist_origin(&jb->jb_framelist);
+	    jb->jb_discard += diff;
+
+	    TRACE__((jb->jb_name.ptr, 
+		     "JB shrinking %d frame(s), cur size=%d", diff,
+		     jb_framelist_eff_size(&jb->jb_framelist)));
+	}
+    }
+}
+
+
+static void jbuf_discard_progressive(pjmedia_jbuf *jb)
+{
+    unsigned cur_size, burst_level, overflow, T, discard_dist;
+    int last_seq;
+
+    /* Should be done in PUT operation */
+    if (jb->jb_last_op != JB_OP_PUT)
+	return;
+
+    /* Check if latency is longer than burst */
+    cur_size = jb_framelist_eff_size(&jb->jb_framelist);
+    burst_level = PJ_MAX(jb->jb_eff_level, jb->jb_level);
+    if (cur_size <= burst_level) {
+	/* Reset any scheduled discard */
+	jb->jb_discard_dist = 0;
+	return;
+    }
+
+    /* Estimate discard duration needed for adjusting latency */
+    if (burst_level <= PJMEDIA_JBUF_PRO_DISC_MIN_BURST)
+	T = PJMEDIA_JBUF_PRO_DISC_T1;
+    else if (burst_level >= PJMEDIA_JBUF_PRO_DISC_MAX_BURST)
+	T = PJMEDIA_JBUF_PRO_DISC_T2;
+    else
+	T = PJMEDIA_JBUF_PRO_DISC_T1 + 
+	    (PJMEDIA_JBUF_PRO_DISC_T2 - PJMEDIA_JBUF_PRO_DISC_T1) *
+	    (burst_level - PJMEDIA_JBUF_PRO_DISC_MIN_BURST) /
+	    (PJMEDIA_JBUF_PRO_DISC_MAX_BURST-PJMEDIA_JBUF_PRO_DISC_MIN_BURST);
+
+    /* Calculate current discard distance */
+    overflow = cur_size - burst_level;
+    discard_dist = T / overflow / jb->jb_frame_ptime;
+
+    /* Get last seq number in the JB */
+    last_seq = jb_framelist_origin(&jb->jb_framelist) +
+	       jb_framelist_size(&jb->jb_framelist) - 1;
+
+    /* Setup new discard schedule if none, otherwise, update the existing
+     * discard schedule (can be delayed or accelerated).
+     */
+    if (jb->jb_discard_dist == 0) {
+	/* Setup new discard schedule */
+	jb->jb_discard_ref = last_seq;
+    } else if (last_seq < jb->jb_discard_ref) {
+	/* Seq restarted, update discard reference */
+    	jb->jb_discard_ref = last_seq;
+    }
+    jb->jb_discard_dist = PJ_MAX(jb->jb_min_shrink_gap, (int)discard_dist);
+
+    /* Check if we need to discard now */
+    if (last_seq >= (jb->jb_discard_ref + (int)jb->jb_discard_dist)) {
+	int discard_seq;
+	
+	discard_seq = jb->jb_discard_ref + jb->jb_discard_dist;
+	if (discard_seq < jb_framelist_origin(&jb->jb_framelist))
+	    discard_seq = jb_framelist_origin(&jb->jb_framelist);
+
+	jb_framelist_discard(&jb->jb_framelist, discard_seq);
+
+	TRACE__((jb->jb_name.ptr, 
+		"Discard #%d: ref=#%d dist=%d orig=%d size=%d/%d "
+		"burst=%d/%d",
+		discard_seq,
+		jb->jb_discard_ref,
+		jb->jb_discard_dist,
+		jb_framelist_origin(&jb->jb_framelist),
+		cur_size,
+		jb_framelist_size(&jb->jb_framelist),
+		jb->jb_eff_level,
+		burst_level));
+
+	/* Update discard reference */
+	jb->jb_discard_ref = discard_seq;
+    }
+}
+    
+
 PJ_INLINE(void) jbuf_update(pjmedia_jbuf *jb, int oper)
 {
     if(jb->jb_last_op != oper) {
@@ -747,63 +928,10 @@
 	jb->jb_level = 0;
     }
 
-    /* These code is used for shortening the delay in the jitter buffer.
-     * It needs shrink only when there is possibility of drift. Drift
-     * detection is performed by inspecting the jitter buffer size, if
-     * its size is twice of current burst level, there can be drift.
-     *
-     * Moreover, normally drift level is quite low, so JB shouldn't need
-     * to shrink aggresively, it will shrink maximum one frame per 
-     * MIN_SHRINK_GAP_MSEC ms. Theoritically, JB may handle drift level 
-     * as much as = FRAME_PTIME/MIN_SHRINK_GAP_MSEC * 100%
-     *
-     * Whenever there is drift, where PUT > GET, this method will keep 
-     * the latency (JB size) as much as twice of burst level.
-     */
-
-    /* Shrinking due of drift will be implicitly done by progressive discard,
-     * so just disable it when progressive discard is active.
-     */
-#if !PROGRESSIVE_DISCARD
-
-    if (jb->jb_status != JB_STATUS_PROCESSING)
-	return;
-
-    {
-	int diff, burst_level;
-
-	burst_level = PJ_MAX(jb->jb_eff_level, jb->jb_level);
-	diff = jb_framelist_eff_size(&jb->jb_framelist) - burst_level*2;
-
-	if (diff >= SAFE_SHRINKING_DIFF) {
-	    int seq_origin;
-
-	    /* Check and adjust jb_last_del_seq, in case there was 
-	     * seq restart 
-	     */
-	    seq_origin = jb_framelist_origin(&jb->jb_framelist);
-	    if (seq_origin < jb->jb_last_del_seq)
-		jb->jb_last_del_seq = seq_origin;
-
-	    if (seq_origin - jb->jb_last_del_seq >= jb->jb_min_shrink_gap)
-	    {
-		/* Shrink slowly, one frame per cycle */
-		diff = 1;
-
-		/* Drop frame(s)! */
-		diff = jb_framelist_remove_head(&jb->jb_framelist, diff);
-		jb->jb_last_del_seq = jb_framelist_origin(&jb->jb_framelist);
-		jb->jb_discard += diff;
-
-		TRACE__((jb->jb_name.ptr, 
-			 "JB shrinking %d frame(s), cur size=%d", diff,
-			 jb_framelist_eff_size(&jb->jb_framelist)));
-	    }
-	}
+    /* Call discard algorithm */
+    if (jb->jb_status == JB_STATUS_PROCESSING && jb->jb_discard_algo) {
+	(*jb->jb_discard_algo)(jb);
     }
-
-#endif /* !PROGRESSIVE_DISCARD */
-
 }
 
 PJ_DEF(void) pjmedia_jbuf_put_frame( pjmedia_jbuf *jb, 
@@ -834,96 +962,35 @@
 				     pj_bool_t *discarded)
 {
     pj_size_t min_frame_size;
-    int new_size, cur_size, frame_type = PJMEDIA_JB_NORMAL_FRAME;
+    int new_size, cur_size;
     pj_status_t status;
 
     cur_size = jb_framelist_eff_size(&jb->jb_framelist);
 
-#if PROGRESSIVE_DISCARD
-    {
-	unsigned interval, seq_delta;
-	unsigned burst_level, burst_factor;
-
-	/* Calculating discard interval (aggressiveness) based on
-	 * (current size / burst level).
-	 */
-	if (jb->jb_status == JB_STATUS_PROCESSING) {
-	    burst_level = PJ_MAX(jb->jb_eff_level, jb->jb_level);
-	    burst_factor = cur_size / burst_level;
-	    /* Tolerate small spikes */
-	    if ((burst_level <= 5) && (burst_factor < 3))
-		burst_factor = 0;
-	} else {
-	    burst_factor = 0;
-	}
-
-	switch (burst_factor) {
-	case 0:
-	    interval = 0;
-	    break;
-	case 1:
-	    interval = 7;
-	    break;
-	case 2:
-	    interval = 5;
-	    break;
-	default:
-	    interval = 4;
-	    break;
-	}
-
-	/* Do the math now to see if we should discard this packet.
-	 * Calculate the distance from the last sequence
-	 * discarded. If negative, then this is an out of
-	 * order frame so just proceed with discard. Else
-	 * see if the delta is at least the intervals worth away
-	 * from the last frame discarded.
-	 */
-	seq_delta = (pj_uint16_t)(frame_seq - jb->jb_last_discard_seq);
-	if ((0 != interval) && (seq_delta >= interval)) {
-	    frame_type = PJMEDIA_JB_DISCARDED_FRAME;
-	    jb->jb_last_discard_seq = frame_seq;
-
-	    TRACE__((jb->jb_name.ptr, 
-		    "Discarding frame #%d: eff=%d disc=%d orig:%d"
-		    " seq_delta:%d",
-		    frame_seq,
-		    cur_size,
-		    jb_framelist_size(&jb->jb_framelist) - cur_size,
-		    jb_framelist_origin(&jb->jb_framelist),
-		    (int)seq_delta));
-	}
-    }
-#endif /* PROGRESSIVE_DISCARD */
-    
-
     /* Attempt to store the frame */
     min_frame_size = PJ_MIN(frame_size, jb->jb_frame_size);
     status = jb_framelist_put_at(&jb->jb_framelist, frame_seq, frame,
-				 min_frame_size, bit_info, ts, frame_type);
+				 min_frame_size, bit_info, ts,
+				 PJMEDIA_JB_NORMAL_FRAME);
     
     /* Jitter buffer is full, remove some older frames */
     while (status == PJ_ETOOMANY) {
 	int distance;
 	unsigned removed;
 
-	/* When progressive discard activated, just remove as few as possible
-	 * just to make this frame in.
-	 */
-#if PROGRESSIVE_DISCARD
-	/* The cases of seq-jump, out-of-order, and seq restart should have
+	/* Remove as few as possible just to make this frame in. Note that
+	 * the cases of seq-jump, out-of-order, and seq restart should have
 	 * been handled/normalized by previous call of jb_framelist_put_at().
 	 * So we're confident about 'distance' value here.
 	 */
 	distance = (frame_seq - jb_framelist_origin(&jb->jb_framelist)) -
 		   jb->jb_max_count + 1;
 	pj_assert(distance > 0);
-#else
-	distance = PJ_MAX(jb->jb_max_count/4, 1);
-#endif
+
 	removed = jb_framelist_remove_head(&jb->jb_framelist, distance);
 	status = jb_framelist_put_at(&jb->jb_framelist, frame_seq, frame,
-				     min_frame_size, bit_info, ts, frame_type);
+				     min_frame_size, bit_info, ts,
+				     PJMEDIA_JB_NORMAL_FRAME);
 
 	jb->jb_discard += removed;
     }
@@ -936,11 +1003,11 @@
 	*discarded = (status != PJ_SUCCESS);
 
     if (status == PJ_SUCCESS) {
-	if (jb->jb_status == JB_STATUS_PREFETCHING) {
+	if (jb->jb_prefetching) {
 	    TRACE__((jb->jb_name.ptr, "PUT prefetch_cnt=%d/%d", 
 		     new_size, jb->jb_prefetch));
 	    if (new_size >= jb->jb_prefetch)
-		jb->jb_status = JB_STATUS_PROCESSING;
+		jb->jb_prefetching = PJ_FALSE;
 	}
 	jb->jb_level += (new_size > cur_size ? new_size-cur_size : 1);
 	jbuf_update(jb, JB_OP_PUT);
@@ -983,7 +1050,7 @@
 				     pj_uint32_t *ts,
 				     int *seq)
 {
-    if (jb->jb_status == JB_STATUS_PREFETCHING) {
+    if (jb->jb_prefetching) {
 
 	/* Can't return frame because jitter buffer is filling up
 	 * minimum prefetch.
@@ -1030,7 +1097,7 @@
 	} else {
 	    /* Jitter buffer is empty */
 	    if (jb->jb_prefetch)
-		jb->jb_status = JB_STATUS_PREFETCHING;
+		jb->jb_prefetching = PJ_TRUE;
 
 	    //pj_bzero(frame, jb->jb_frame_size);
 	    *p_frame_type = PJMEDIA_JB_ZERO_EMPTY_FRAME;
diff --git a/pjmedia/src/pjmedia/sdp_neg.c b/pjmedia/src/pjmedia/sdp_neg.c
index 874f1d2..d484a91 100644
--- a/pjmedia/src/pjmedia/sdp_neg.c
+++ b/pjmedia/src/pjmedia/sdp_neg.c
@@ -1330,7 +1330,10 @@
 			if (!pj_stricmp(&or_.enc_name, &lr.enc_name) &&
 			    or_.clock_rate == lr.clock_rate &&
 			    (pj_stricmp(&or_.param, &lr.param)==0 ||
-			     (or_.param.slen==1 && *or_.param.ptr=='1'))) 
+			     (lr.param.slen==0 && or_.param.slen==1 && 
+						 *or_.param.ptr=='1') || 
+			     (or_.param.slen==0 && lr.param.slen==1 && 
+						  *lr.param.ptr=='1'))) 
 			{
 			    /* Match! */
 			    if (is_codec) {
diff --git a/pjmedia/src/pjmedia/session.c b/pjmedia/src/pjmedia/session.c
index bc1d175..4376779 100644
--- a/pjmedia/src/pjmedia/session.c
+++ b/pjmedia/src/pjmedia/session.c
@@ -273,6 +273,40 @@
 }
 
 /**
+ * Send RTCP SDES for the session.
+ */
+PJ_DEF(pj_status_t) 
+pjmedia_session_send_rtcp_sdes( const pjmedia_session *session )
+{
+    unsigned i;
+
+    PJ_ASSERT_RETURN(session, PJ_EINVAL);
+
+    for (i=0; i<session->stream_cnt; ++i) {
+	pjmedia_stream_send_rtcp_sdes(session->stream[i]);
+    }
+
+    return PJ_SUCCESS;
+}
+
+/**
+ * Send RTCP BYE for the session.
+ */
+PJ_DEF(pj_status_t) 
+pjmedia_session_send_rtcp_bye( const pjmedia_session *session )
+{
+    unsigned i;
+
+    PJ_ASSERT_RETURN(session, PJ_EINVAL);
+
+    for (i=0; i<session->stream_cnt; ++i) {
+	pjmedia_stream_send_rtcp_bye(session->stream[i]);
+    }
+
+    return PJ_SUCCESS;
+}
+
+/**
  * Enumerate media stream in the session.
  */
 PJ_DEF(pj_status_t) pjmedia_session_enum_streams(const pjmedia_session *session,
diff --git a/pjmedia/src/pjmedia/stream.c b/pjmedia/src/pjmedia/stream.c
index 8534caa..4022c36 100644
--- a/pjmedia/src/pjmedia/stream.c
+++ b/pjmedia/src/pjmedia/stream.c
@@ -154,6 +154,7 @@
     pj_uint32_t		     rtcp_last_tx;  /**< RTCP tx time in timestamp  */
     pj_uint32_t		     rtcp_interval; /**< Interval, in timestamp.    */
     pj_bool_t		     initial_rr;    /**< Initial RTCP RR sent	    */
+    pj_bool_t                rtcp_sdes_bye_disabled;/**< Send RTCP SDES/BYE?*/
 
     /* RFC 2833 DTMF transmission queue: */
     int			     tx_event_pt;   /**< Outgoing pt for dtmf.	    */
@@ -1824,19 +1825,24 @@
 
 	/* Build RR or SR */
 	pjmedia_rtcp_build_rtcp(&stream->rtcp, &sr_rr_pkt, &len);
-	pkt = (pj_uint8_t*) stream->enc->out_pkt;
-	pj_memcpy(pkt, sr_rr_pkt, len);
-	pkt += len;
 
-	/* Append SDES */
-	len = create_rtcp_sdes(stream, (pj_uint8_t*)pkt, 
-			       stream->enc->out_pkt_size - len);
-	if (len > 0) {
-	    pkt += len;
-	    len = ((pj_uint8_t*)pkt) - ((pj_uint8_t*)stream->enc->out_pkt);
-	    pjmedia_transport_send_rtcp(stream->transport, 
-					stream->enc->out_pkt, len);
-	}
+        if (!stream->rtcp_sdes_bye_disabled) {
+            pkt = (pj_uint8_t*) stream->enc->out_pkt;
+            pj_memcpy(pkt, sr_rr_pkt, len);
+            pkt += len;
+
+            /* Append SDES */
+            len = create_rtcp_sdes(stream, (pj_uint8_t*)pkt, 
+                                   stream->enc->out_pkt_size - len);
+            if (len > 0) {
+                pkt += len;
+                len = ((pj_uint8_t*)pkt) - ((pj_uint8_t*)stream->enc->out_pkt);
+                pjmedia_transport_send_rtcp(stream->transport, 
+                                            stream->enc->out_pkt, len);
+            }
+        } else {
+            pjmedia_transport_send_rtcp(stream->transport, sr_rr_pkt, len);
+        }
 
 	stream->initial_rr = PJ_TRUE;
     }
@@ -1959,7 +1965,7 @@
     enum { M = 32 };
     pjmedia_stream *stream;
     pj_str_t name;
-    unsigned jb_init, jb_max, jb_min_pre, jb_max_pre, len;
+    unsigned jb_init, jb_max, jb_min_pre, jb_max_pre;
     pjmedia_audio_format_detail *afd;
     pj_pool_t *own_pool = NULL;
     char *p;
@@ -2010,6 +2016,7 @@
     stream->user_data = user_data;
     stream->rtcp_interval = (PJMEDIA_RTCP_INTERVAL-500 + (pj_rand()%1000)) *
 			    info->fmt.clock_rate / 1000;
+    stream->rtcp_sdes_bye_disabled = info->rtcp_sdes_bye_disabled;
 
     stream->tx_event_pt = info->tx_event_pt ? info->tx_event_pt : -1;
     stream->rx_event_pt = info->rx_event_pt ? info->rx_event_pt : -1;
@@ -2322,11 +2329,8 @@
 #endif
 
     /* Send RTCP SDES */
-    len = create_rtcp_sdes(stream, (pj_uint8_t*)stream->enc->out_pkt, 
-			   stream->enc->out_pkt_size);
-    if (len != 0) {
-	pjmedia_transport_send_rtcp(stream->transport, 
-				    stream->enc->out_pkt, len);
+    if (!stream->rtcp_sdes_bye_disabled) {
+        pjmedia_stream_send_rtcp_sdes(stream);
     }
 
 #if defined(PJMEDIA_STREAM_ENABLE_KA) && PJMEDIA_STREAM_ENABLE_KA!=0
@@ -2343,7 +2347,7 @@
 	pj_ansi_snprintf(trace_name, sizeof(trace_name), 
 			 TRACE_JB_PATH_PREFIX "%s.csv",
 			 stream->port.info.name.ptr);
-	status = pj_file_open(pool, trace_name, PJ_O_RDWR, &stream->trace_jb_fd);
+	status = pj_file_open(pool, trace_name, PJ_O_WRONLY, &stream->trace_jb_fd);
 	if (status != PJ_SUCCESS) {
 	    stream->trace_jb_fd = TRACE_JB_INVALID_FD;
 	    PJ_LOG(3,(THIS_FILE, "Failed creating RTP trace file '%s'", 
@@ -2381,7 +2385,6 @@
  */
 PJ_DEF(pj_status_t) pjmedia_stream_destroy( pjmedia_stream *stream )
 {
-    unsigned len;
     PJ_ASSERT_RETURN(stream != NULL, PJ_EINVAL);
 
 #if defined(PJMEDIA_HAS_RTCP_XR) && (PJMEDIA_HAS_RTCP_XR != 0)
@@ -2423,13 +2426,8 @@
 #endif
 
     /* Send RTCP BYE */
-    if (stream->enc && stream->transport) {
-	len = create_rtcp_bye(stream, (pj_uint8_t*)stream->enc->out_pkt,
-			      stream->enc->out_pkt_size);
-	if (len != 0) {
-	    pjmedia_transport_send_rtcp(stream->transport, 
-					stream->enc->out_pkt, len);
-	}
+    if (!stream->rtcp_sdes_bye_disabled) {
+        pjmedia_stream_send_rtcp_bye(stream);
     }
 
     /* Detach from transport 
@@ -3298,3 +3296,45 @@
 
     return status;
 }
+
+/*
+ * Send RTCP SDES.
+ */
+PJ_DEF(pj_status_t)
+pjmedia_stream_send_rtcp_sdes( pjmedia_stream *stream )
+{
+    unsigned len;
+
+    PJ_ASSERT_RETURN(stream, PJ_EINVAL);
+
+    len = create_rtcp_sdes(stream, (pj_uint8_t*)stream->enc->out_pkt,
+                           stream->enc->out_pkt_size);
+    if (len != 0) {
+        return pjmedia_transport_send_rtcp(stream->transport, 
+                                           stream->enc->out_pkt, len);
+    }
+
+    return PJ_SUCCESS;
+}
+
+/*
+ * Send RTCP BYE.
+ */
+PJ_DEF(pj_status_t)
+pjmedia_stream_send_rtcp_bye( pjmedia_stream *stream )
+{
+    PJ_ASSERT_RETURN(stream, PJ_EINVAL);
+
+    if (stream->enc && stream->transport) {
+        unsigned len;
+
+        len = create_rtcp_bye(stream, (pj_uint8_t*)stream->enc->out_pkt,
+                              stream->enc->out_pkt_size);
+        if (len != 0) {
+            return pjmedia_transport_send_rtcp(stream->transport, 
+                                               stream->enc->out_pkt, len);
+        }
+    }
+
+    return PJ_SUCCESS;
+}
diff --git a/pjmedia/src/pjmedia/transport_adapter_sample.c b/pjmedia/src/pjmedia/transport_adapter_sample.c
index c118c10..a076bda 100644
--- a/pjmedia/src/pjmedia/transport_adapter_sample.c
+++ b/pjmedia/src/pjmedia/transport_adapter_sample.c
@@ -94,6 +94,7 @@
 struct tp_adapter
 {
     pjmedia_transport	 base;
+    pj_bool_t		 del_base;
 
     pj_pool_t		*pool;
 
@@ -118,6 +119,7 @@
 PJ_DEF(pj_status_t) pjmedia_tp_adapter_create( pjmedia_endpt *endpt,
 					       const char *name,
 					       pjmedia_transport *transport,
+					       pj_bool_t del_base,
 					       pjmedia_transport **p_tp)
 {
     pj_pool_t *pool;
@@ -138,6 +140,7 @@
 
     /* Save the transport as the slave transport */
     adapter->slave_tp = transport;
+    adapter->del_base = del_base;
 
     /* Done */
     *p_tp = &adapter->base;
@@ -421,7 +424,9 @@
     struct tp_adapter *adapter = (struct tp_adapter*)tp;
 
     /* Close the slave transport */
-    pjmedia_transport_close(adapter->slave_tp);
+    if (adapter->del_base) {
+	pjmedia_transport_close(adapter->slave_tp);
+    }
 
     /* Self destruct.. */
     pj_pool_release(adapter->pool);
diff --git a/pjmedia/src/pjmedia/transport_ice.c b/pjmedia/src/pjmedia/transport_ice.c
index 54ae032..38bd70d 100644
--- a/pjmedia/src/pjmedia/transport_ice.c
+++ b/pjmedia/src/pjmedia/transport_ice.c
@@ -72,6 +72,7 @@
     pj_sockaddr		 rtp_src_addr;	/**< Actual source RTP address.	    */
     pj_sockaddr		 rtcp_src_addr;	/**< Actual source RTCP address.    */
     unsigned		 rtp_src_cnt;	/**< How many pkt from this addr.   */
+    unsigned		 rtcp_src_cnt;  /**< How many pkt from this addr.   */
 
     unsigned		 tx_drop_pct;	/**< Percent of tx pkts to drop.    */
     unsigned		 rx_drop_pct;	/**< Percent of rx pkts to drop.    */
@@ -1516,6 +1517,8 @@
      */
     if (tp_ice->use_ice || tp_ice->rtp_src_cnt) {
 	info->src_rtp_name  = tp_ice->rtp_src_addr;
+    }
+    if (tp_ice->use_ice || tp_ice->rtcp_src_cnt) {
 	info->src_rtcp_name = tp_ice->rtcp_src_addr;
     }
 
@@ -1581,6 +1584,7 @@
     tp_ice->rtp_src_addr = tp_ice->remote_rtp;
     tp_ice->rtcp_src_addr = tp_ice->remote_rtcp;
     tp_ice->rtp_src_cnt = 0;
+    tp_ice->rtcp_src_cnt = 0;
 
     return PJ_SUCCESS;
 }
@@ -1656,6 +1660,7 @@
 			   unsigned src_addr_len)
 {
     struct transport_ice *tp_ice;
+    pj_bool_t discard = PJ_FALSE;
 
     tp_ice = (struct transport_ice*) pj_ice_strans_get_user_data(ice_st);
 
@@ -1671,20 +1676,23 @@
 	    }
 	}
 
-	(*tp_ice->rtp_cb)(tp_ice->stream, pkt, size);
-
 	/* See if source address of RTP packet is different than the 
 	 * configured address, and switch RTP remote address to 
 	 * source packet address after several consecutive packets
 	 * have been received.
 	 */
 	if (!tp_ice->use_ice) {
+	    pj_bool_t enable_switch =
+		    ((tp_ice->options & PJMEDIA_ICE_NO_SRC_ADDR_CHECKING)==0);
 
-	    /* Increment counter and avoid zero */
-	    if (++tp_ice->rtp_src_cnt == 0) 
-		tp_ice->rtp_src_cnt = 1;
+	    if (!enable_switch ||
+		pj_sockaddr_cmp(&tp_ice->remote_rtp, src_addr) == 0)
+	    {
+		/* Don't switch while we're receiving from remote_rtp */
+		tp_ice->rtp_src_cnt = 0;
+	    } else {
 
-	    if (pj_sockaddr_cmp(&tp_ice->remote_rtp, src_addr) != 0) {
+		++tp_ice->rtp_src_cnt;
 
 		/* Check if the source address is recognized. */
 		if (pj_sockaddr_cmp(src_addr, &tp_ice->rtp_src_addr) != 0) {
@@ -1692,11 +1700,12 @@
 		    pj_sockaddr_cp(&tp_ice->rtp_src_addr, src_addr);
 		    /* Reset counter */
 		    tp_ice->rtp_src_cnt = 0;
+		    discard = PJ_TRUE;
 		}
 
-		if ((tp_ice->options & PJMEDIA_ICE_NO_SRC_ADDR_CHECKING)==0 &&
-		    tp_ice->rtp_src_cnt >= PJMEDIA_RTP_NAT_PROBATION_CNT) 
-		{
+		if (tp_ice->rtp_src_cnt < PJMEDIA_RTP_NAT_PROBATION_CNT) {
+		    discard = PJ_TRUE;
+		} else {
 		    char addr_text[80];
 
 		    /* Set remote RTP address to source address */
@@ -1725,7 +1734,8 @@
 			pj_sockaddr_set_port(&tp_ice->remote_rtcp, port);
 
 			PJ_LOG(4,(tp_ice->base.name,
-				  "Remote RTCP address switched to %s",
+				  "Remote RTCP address switched to predicted "
+				  "address %s",
 				  pj_sockaddr_print(&tp_ice->remote_rtcp, 
 						    addr_text,
 						    sizeof(addr_text), 3)));
@@ -1733,31 +1743,45 @@
 		}
 	    }
 	}
+
+	if (!discard)
+	    (*tp_ice->rtp_cb)(tp_ice->stream, pkt, size);
+
     } else if (comp_id==2 && tp_ice->rtcp_cb) {
-	(*tp_ice->rtcp_cb)(tp_ice->stream, pkt, size);
 
 	/* Check if RTCP source address is the same as the configured
 	 * remote address, and switch the address when they are
 	 * different.
 	 */
 	if (!tp_ice->use_ice &&
-	    pj_sockaddr_cmp(&tp_ice->remote_rtcp, src_addr) != 0)
+	    (tp_ice->options & PJMEDIA_ICE_NO_SRC_ADDR_CHECKING)==0)
 	{
-	    pj_sockaddr_cp(&tp_ice->rtcp_src_addr, src_addr);
-
-	    if ((tp_ice->options & PJMEDIA_ICE_NO_SRC_ADDR_CHECKING)==0) {
+	    if (pj_sockaddr_cmp(&tp_ice->remote_rtcp, src_addr) == 0) {
+		tp_ice->rtcp_src_cnt = 0;
+	    } else {
 		char addr_text[80];
 
-		pj_sockaddr_cp(&tp_ice->remote_rtcp, src_addr);
+		++tp_ice->rtcp_src_cnt;
+		if (tp_ice->rtcp_src_cnt < PJMEDIA_RTCP_NAT_PROBATION_CNT) {
+		    discard = PJ_TRUE;
+		} else {
+		    tp_ice->rtcp_src_cnt = 0;
+		    pj_sockaddr_cp(&tp_ice->rtcp_src_addr, src_addr);
+		    pj_sockaddr_cp(&tp_ice->remote_rtcp, src_addr);
 
-		pj_assert(tp_ice->addr_len == pj_sockaddr_get_len(src_addr));
+		    pj_assert(tp_ice->addr_len==pj_sockaddr_get_len(src_addr));
 
-		PJ_LOG(4,(tp_ice->base.name,
-			  "Remote RTCP address switched to %s",
-			  pj_sockaddr_print(&tp_ice->remote_rtcp, addr_text,
-					    sizeof(addr_text), 3)));
+		    PJ_LOG(4,(tp_ice->base.name,
+			      "Remote RTCP address switched to %s",
+			      pj_sockaddr_print(&tp_ice->remote_rtcp,
+			                        addr_text, sizeof(addr_text),
+			                        3)));
+		}
 	    }
 	}
+
+	if (!discard)
+	    (*tp_ice->rtcp_cb)(tp_ice->stream, pkt, size);
     }
 
     PJ_UNUSED_ARG(src_addr_len);
diff --git a/pjmedia/src/pjmedia/transport_udp.c b/pjmedia/src/pjmedia/transport_udp.c
index 59d2dc7..6317859 100644
--- a/pjmedia/src/pjmedia/transport_udp.c
+++ b/pjmedia/src/pjmedia/transport_udp.c
@@ -83,6 +83,7 @@
     pj_sock_t		rtcp_sock;	/**< RTCP socket		    */
     pj_sockaddr		rtcp_addr_name;	/**< Published RTCP address.	    */
     pj_sockaddr		rtcp_src_addr;	/**< Actual source RTCP address.    */
+    unsigned		rtcp_src_cnt;	/**< How many pkt from this addr.   */
     int			rtcp_addr_len;	/**< Length of RTCP src address.    */
     pj_ioqueue_key_t   *rtcp_key;	/**< RTCP socket key in ioqueue	    */
     pj_ioqueue_op_key_t rtcp_read_op;	/**< Pending read operation	    */
@@ -452,6 +453,7 @@
     do {
 	void (*cb)(void*,void*,pj_ssize_t);
 	void *user_data;
+	pj_bool_t discard = PJ_FALSE;
 
 	cb = udp->rtp_cb;
 	user_data = udp->user_data;
@@ -462,14 +464,10 @@
 		PJ_LOG(5,(udp->base.name, 
 			  "RX RTP packet dropped because of pkt lost "
 			  "simulation"));
-		goto read_next_packet;
+		discard = PJ_TRUE;
 	    }
 	}
 
-
-	if (udp->attached && cb)
-	    (*cb)(user_data, udp->rtp_pkt, bytes_read);
-
 	/* See if source address of RTP packet is different than the 
 	 * configured address, and switch RTP remote address to 
 	 * source packet address after several consecutive packets
@@ -478,11 +476,15 @@
 	if (bytes_read>0 && 
 	    (udp->options & PJMEDIA_UDP_NO_SRC_ADDR_CHECKING)==0) 
 	{
-	    if (pj_sockaddr_cmp(&udp->rem_rtp_addr, &udp->rtp_src_addr) != 0) {
-
+	    if (pj_sockaddr_cmp(&udp->rem_rtp_addr, &udp->rtp_src_addr) == 0) {
+		/* We're still receiving from rem_rtp_addr. Don't switch. */
+		udp->rtp_src_cnt = 0;
+	    } else {
 		udp->rtp_src_cnt++;
 
-		if (udp->rtp_src_cnt >= PJMEDIA_RTP_NAT_PROBATION_CNT) {
+		if (udp->rtp_src_cnt < PJMEDIA_RTP_NAT_PROBATION_CNT) {
+		    discard = PJ_TRUE;
+		} else {
 		
 		    char addr_text[80];
 
@@ -516,7 +518,8 @@
 				  sizeof(pj_sockaddr));
 
 			PJ_LOG(4,(udp->base.name,
-				  "Remote RTCP address switched to %s",
+				  "Remote RTCP address switched to predicted"
+				  " address %s",
 				  pj_sockaddr_print(&udp->rtcp_src_addr, 
 						    addr_text,
 						    sizeof(addr_text), 3)));
@@ -526,7 +529,9 @@
 	    }
 	}
 
-read_next_packet:
+	if (!discard && udp->attached && cb)
+	    (*cb)(user_data, udp->rtp_pkt, bytes_read);
+
 	bytes_read = sizeof(udp->rtp_pkt);
 	udp->rtp_addrlen = sizeof(udp->rtp_src_addr);
 	status = pj_ioqueue_recvfrom(udp->rtp_key, &udp->rtp_read_op,
@@ -568,18 +573,27 @@
 	 * different.
 	 */
 	if (bytes_read>0 &&
-	    (udp->options & PJMEDIA_UDP_NO_SRC_ADDR_CHECKING)==0 &&
-	    pj_sockaddr_cmp(&udp->rem_rtcp_addr, &udp->rtcp_src_addr) != 0)
+	    (udp->options & PJMEDIA_UDP_NO_SRC_ADDR_CHECKING)==0)
 	{
-	    char addr_text[80];
+	    if (pj_sockaddr_cmp(&udp->rem_rtcp_addr, &udp->rtcp_src_addr) == 0) {
+		/* Still receiving from rem_rtcp_addr, don't switch */
+		udp->rtcp_src_cnt = 0;
+	    } else {
+		++udp->rtcp_src_cnt;
 
-	    pj_memcpy(&udp->rem_rtcp_addr, &udp->rtcp_src_addr,
-		      sizeof(pj_sockaddr));
+		if (udp->rtcp_src_cnt >= PJMEDIA_RTCP_NAT_PROBATION_CNT	) {
+		    char addr_text[80];
 
-	    PJ_LOG(4,(udp->base.name,
-		      "Remote RTCP address switched to %s",
-		      pj_sockaddr_print(&udp->rtcp_src_addr, addr_text,
-					sizeof(addr_text), 3)));
+		    udp->rtcp_src_cnt = 0;
+		    pj_memcpy(&udp->rem_rtcp_addr, &udp->rtcp_src_addr,
+			      sizeof(pj_sockaddr));
+
+		    PJ_LOG(4,(udp->base.name,
+			      "Remote RTCP address switched to %s",
+			      pj_sockaddr_print(&udp->rtcp_src_addr, addr_text,
+						sizeof(addr_text), 3)));
+		}
+	    }
 	}
 
 	bytes_read = sizeof(udp->rtcp_pkt);
@@ -677,6 +691,7 @@
     pj_bzero(&udp->rtp_src_addr, sizeof(udp->rtp_src_addr));
     pj_bzero(&udp->rtcp_src_addr, sizeof(udp->rtcp_src_addr));
     udp->rtp_src_cnt = 0;
+    udp->rtcp_src_cnt = 0;
 
     /* Unlock keys */
     pj_ioqueue_unlock_key(udp->rtcp_key);
diff --git a/pjmedia/src/test/jbuf_test.c b/pjmedia/src/test/jbuf_test.c
index 9cffa92..309459b 100644
--- a/pjmedia/src/test/jbuf_test.c
+++ b/pjmedia/src/test/jbuf_test.c
@@ -43,7 +43,8 @@
     int discard;
     int lost;
     int empty;
-    int delay;	    /**< Maximum delay, in frames.	    */
+    int delay;	    /**< Average delay, in frames.	    */
+    int delay_min;  /**< Minimum delay, in frames.	    */
 } test_cond_t;
 
 static pj_bool_t parse_test_headers(char *line, test_param_t *param, 
@@ -69,6 +70,8 @@
 	    cond->burst = cond_val;
 	else if (pj_ansi_stricmp(cond_st, "delay") == 0)
 	    cond->delay = cond_val;
+	else if (pj_ansi_stricmp(cond_st, "delay_min") == 0)
+	    cond->delay_min = cond_val;
 	else if (pj_ansi_stricmp(cond_st, "discard") == 0)
 	    cond->discard = cond_val;
 	else if (pj_ansi_stricmp(cond_st, "empty") == 0)
@@ -217,6 +220,7 @@
 
 	cond.burst = -1;
 	cond.delay = -1;
+	cond.delay_min = -1;
 	cond.discard = -1;
 	cond.empty = -1;
 	cond.lost = -1;
@@ -313,6 +317,11 @@
 		   cond.delay, state.avg_delay/JB_PTIME);
 	    rc |= 2;
 	}
+	if (cond.delay_min >= 0 && (int)state.min_delay/JB_PTIME > cond.delay_min) {
+	    printf("! 'Minimum delay' should be %d, it is %d\n", 
+		   cond.delay_min, state.min_delay/JB_PTIME);
+	    rc |= 32;
+	}
 	if (cond.discard >= 0 && (int)state.discard > cond.discard) {
 	    printf("! 'Discard' should be %d, it is %d\n",
 		   cond.discard, state.discard);
diff --git a/pjmedia/src/test/mips_test.c b/pjmedia/src/test/mips_test.c
index 9155119..977fe9a 100644
--- a/pjmedia/src/test/mips_test.c
+++ b/pjmedia/src/test/mips_test.c
@@ -916,6 +916,23 @@
 }
 #endif	/* PJMEDIA_HAS_G7221_CODEC */
 
+#if PJMEDIA_HAS_OPENCORE_AMRNB_CODEC
+/* AMR-NB benchmark benchmark */
+static pjmedia_port* amr_encode_decode(pj_pool_t *pool,
+                                       unsigned clock_rate,
+                                       unsigned channel_count,
+                                       unsigned samples_per_frame,
+                                       unsigned flags,
+                                       struct test_entry *te)
+{
+    return codec_encode_decode(pool, "AMR/8000", 
+			       &pjmedia_codec_opencore_amrnb_init,
+			       &pjmedia_codec_opencore_amrnb_deinit,
+			       clock_rate, channel_count,
+			       samples_per_frame, flags, te);
+}
+#endif	/* PJMEDIA_HAS_OPENCORE_AMRNB_CODEC */
+
 #if defined(PJMEDIA_HAS_L16_CODEC) && PJMEDIA_HAS_L16_CODEC!=0
 static pj_status_t init_l16_default(pjmedia_endpt *endpt)
 {
@@ -1976,6 +1993,23 @@
 }
 #endif	/* PJMEDIA_HAS_G7221_CODEC */ 
 
+/* AMR-NB stream */
+#if PJMEDIA_HAS_OPENCORE_AMRNB_CODEC
+static pjmedia_port* create_stream_amr( pj_pool_t *pool,
+                                        unsigned clock_rate,
+                                        unsigned channel_count,
+                                        unsigned samples_per_frame,
+                                        unsigned flags,
+                                        struct test_entry *te)
+{
+    return create_stream(pool, "AMR/8000", &pjmedia_codec_opencore_amrnb_init, 
+			 &pjmedia_codec_opencore_amrnb_deinit, 
+			 PJ_FALSE, PJ_FALSE, PJ_FALSE,
+			 clock_rate, channel_count,
+			 samples_per_frame, flags, te);
+}
+#endif	/* PJMEDIA_HAS_OPENCORE_AMRNB_CODEC */ 
+
 /***************************************************************************/
 /* Delay buffer */
 enum {DELAY_BUF_MAX_DELAY = 80};
@@ -2366,6 +2400,9 @@
 	{ "codec encode/decode - G.722.1", OP_PUT, K16, &g7221_encode_decode},
 	{ "codec encode/decode - G.722.1c", OP_PUT, K32, &g7221c_encode_decode},
 #endif
+#if PJMEDIA_HAS_OPENCORE_AMRNB_CODEC
+	{ "codec encode/decode - AMR-NB", OP_PUT, K8, &amr_encode_decode},
+#endif
 #if PJMEDIA_HAS_L16_CODEC
 	{ "codec encode/decode - L16/8000/1", OP_PUT, K8, &l16_8_encode_decode},
 	{ "codec encode/decode - L16/16000/1", OP_PUT, K16, &l16_16_encode_decode},
@@ -2391,6 +2428,9 @@
 	{ "stream TX/RX - G.722.1", OP_PUT_GET, K16, &create_stream_g7221},
 	{ "stream TX/RX - G.722.1c", OP_PUT_GET, K32, &create_stream_g7221c},
 #endif
+#if PJMEDIA_HAS_OPENCORE_AMRNB_CODEC
+	{ "stream TX/RX - AMR-NB", OP_PUT_GET, K8, &create_stream_amr},
+#endif
     };
 
     unsigned i, c, k[3] = {K8, K16, K32}, clock_rates[3] = {8000, 16000, 32000};
diff --git a/pjmedia/src/test/test.c b/pjmedia/src/test/test.c
index 82b20e1..2b7c9ca 100644
--- a/pjmedia/src/test/test.c
+++ b/pjmedia/src/test/test.c
@@ -43,6 +43,17 @@
     PJ_LOG(3,(THIS_FILE, "%s: %s", msg, errbuf));
 }
 
+/* Force linking PLC stuff if G.711 is disabled. See:
+ *  https://trac.pjsip.org/repos/ticket/1337 
+ */
+#if PJMEDIA_HAS_G711_CODEC==0
+int dummy()
+{
+    // Dummy
+    return (int) &pjmedia_plc_save;
+}
+#endif
+
 int test_main(void)
 {
     int rc = 0;
diff --git a/pjnath/src/pjnath/ice_strans.c b/pjnath/src/pjnath/ice_strans.c
index 2ceaaab..129f399 100644
--- a/pjnath/src/pjnath/ice_strans.c
+++ b/pjnath/src/pjnath/ice_strans.c
@@ -1201,6 +1201,12 @@
 				    PJ_STUN_SESS_LOG_RX_IND)
 	    };
 
+	    /* https://trac.pjsip.org/repos/ticket/1316 */
+	    if (comp->turn_sock == NULL) {
+		/* TURN socket error */
+		return PJ_EINVALIDOP;
+	    }
+
 	    if (!comp->turn_log_off) {
 		/* Disable logging for Send/Data indications */
 		PJ_LOG(5,(ice_st->obj_name, 
diff --git a/pjnath/src/pjnath/stun_sock.c b/pjnath/src/pjnath/stun_sock.c
index 2098735..99704fb 100644
--- a/pjnath/src/pjnath/stun_sock.c
+++ b/pjnath/src/pjnath/stun_sock.c
@@ -120,10 +120,11 @@
 	"?",
 	"DNS resolution",
 	"STUN Binding request",
-	"Keep-alive"
+	"Keep-alive",
+	"Mapped addr. changed"
     };
 
-    return op <= PJ_STUN_SOCK_KEEP_ALIVE_OP ? names[op] : "?";
+    return op < PJ_ARRAY_SIZE(names) ? names[op] : "???";
 };
 
 
diff --git a/pjnath/src/pjnath/turn_sock.c b/pjnath/src/pjnath/turn_sock.c
index 570b197..e841af2 100644
--- a/pjnath/src/pjnath/turn_sock.c
+++ b/pjnath/src/pjnath/turn_sock.c
@@ -619,7 +619,8 @@
 
     if (turn_sock == NULL) {
 	/* We've been destroyed */
-	pj_assert(!"We should shutdown gracefully");
+	// https://trac.pjsip.org/repos/ticket/1316
+	//pj_assert(!"We should shutdown gracefully");
 	return PJ_EINVALIDOP;
     }
 
diff --git a/pjsip-apps/src/ipjsua/ipjsua.xcodeproj/project.pbxproj b/pjsip-apps/src/ipjsua/ipjsua.xcodeproj/project.pbxproj
index 19bf84c..603a82d 100644
--- a/pjsip-apps/src/ipjsua/ipjsua.xcodeproj/project.pbxproj
+++ b/pjsip-apps/src/ipjsua/ipjsua.xcodeproj/project.pbxproj
@@ -377,6 +377,10 @@
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = ipjsua_Prefix.pch;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"PJ_AUTOCONF=1",
+					USE_GUI,
+				);
 				INFOPLIST_FILE = "ipjsua-Info.plist";
 				IPHONEOS_DEPLOYMENT_TARGET = 3.2;
 				LIBRARY_SEARCH_PATHS = (
@@ -406,6 +410,10 @@
 				COPY_PHASE_STRIP = YES;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = ipjsua_Prefix.pch;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"PJ_AUTOCONF=1",
+					USE_GUI,
+				);
 				INFOPLIST_FILE = "ipjsua-Info.plist";
 				IPHONEOS_DEPLOYMENT_TARGET = 3.2;
 				LIBRARY_SEARCH_PATHS = (
diff --git a/pjsip-apps/src/pjsua/pjsua_app.c b/pjsip-apps/src/pjsua/pjsua_app.c
index 25cd887..1f8e4cc 100644
--- a/pjsip-apps/src/pjsua/pjsua_app.c
+++ b/pjsip-apps/src/pjsua/pjsua_app.c
@@ -148,9 +148,6 @@
 #ifdef STEREO_DEMO
 static void stereo_demo();
 #endif
-#ifdef TRANSPORT_ADAPTER_SAMPLE
-static pj_status_t transport_adapter_sample(void);
-#endif
 static pj_status_t create_ipv6_media_transports(void);
 pj_status_t app_destroy(void);
 
@@ -911,8 +908,8 @@
 	    break;
 
 	case OPT_100REL: /** 100rel */
-	    cur_acc->require_100rel = PJ_TRUE;
-	    cfg->cfg.require_100rel = PJ_TRUE;
+	    cur_acc->require_100rel = PJSUA_100REL_MANDATORY;
+	    cfg->cfg.require_100rel = PJSUA_100REL_MANDATORY;
 	    break;
 
 	case OPT_TIMER: /** session timer */
@@ -3221,6 +3218,35 @@
 #endif
 }
 
+#ifdef TRANSPORT_ADAPTER_SAMPLE
+/*
+ * This callback is called when media transport needs to be created.
+ */
+static pjmedia_transport* on_create_media_transport(pjsua_call_id call_id,
+						    unsigned media_idx,
+						    pjmedia_transport *base_tp,
+						    unsigned flags)
+{
+    pjmedia_transport *adapter;
+    pj_status_t status;
+
+    /* Create the adapter */
+    status = pjmedia_tp_adapter_create(pjsua_get_pjmedia_endpt(),
+                                       NULL, base_tp,
+                                       (flags & PJSUA_MED_TP_CLOSE_MEMBER),
+                                       &adapter);
+    if (status != PJ_SUCCESS) {
+	PJ_PERROR(1,(THIS_FILE, status, "Error creating adapter"));
+	return NULL;
+    }
+
+    PJ_LOG(3,(THIS_FILE, "Media transport is created for call %d media %d",
+	      call_id, media_idx));
+
+    return adapter;
+}
+#endif
+
 /*
  * Print buddy list.
  */
@@ -5210,6 +5236,9 @@
     app_config.cfg.cb.on_ice_transport_error = &on_ice_transport_error;
     app_config.cfg.cb.on_snd_dev_operation = &on_snd_dev_operation;
     app_config.cfg.cb.on_call_media_event = &on_call_media_event;
+#ifdef TRANSPORT_ADAPTER_SAMPLE
+    app_config.cfg.cb.on_create_media_transport = &on_create_media_transport;
+#endif
     app_config.log_cfg.cb = log_cb;
 
     /* Set sound device latency */
@@ -5489,6 +5518,9 @@
     /* Add accounts */
     for (i=0; i<app_config.acc_cnt; ++i) {
 	app_config.acc_cfg[i].rtp_cfg = app_config.rtp_cfg;
+	app_config.acc_cfg[i].reg_retry_interval = 300;
+	app_config.acc_cfg[i].reg_first_retry_interval = 60;
+
 	status = pjsua_acc_add(&app_config.acc_cfg[i], PJ_TRUE, NULL);
 	if (status != PJ_SUCCESS)
 	    goto on_error;
@@ -5521,17 +5553,12 @@
     }
 
     /* Add RTP transports */
-#ifdef TRANSPORT_ADAPTER_SAMPLE
-    status = transport_adapter_sample();
-
-#else
     if (app_config.ipv6)
 	status = create_ipv6_media_transports();
   #if DISABLED_FOR_TICKET_1185
     else
 	status = pjsua_media_transports_create(&app_config.rtp_cfg);
   #endif
-#endif
     if (status != PJ_SUCCESS)
 	goto on_error;
 
@@ -5752,47 +5779,6 @@
 }
 #endif
 
-#ifdef TRANSPORT_ADAPTER_SAMPLE
-static pj_status_t create_transport_adapter(pjmedia_endpt *med_endpt, int port,
-					    pjmedia_transport **p_tp)
-{
-    pjmedia_transport *udp;
-    pj_status_t status;
-
-    /* Create the UDP media transport */
-    status = pjmedia_transport_udp_create(med_endpt, NULL, port, 0, &udp);
-    if (status != PJ_SUCCESS)
-	return status;
-
-    /* Create the adapter */
-    status = pjmedia_tp_adapter_create(med_endpt, NULL, udp, p_tp);
-    if (status != PJ_SUCCESS) {
-	pjmedia_transport_close(udp);
-	return status;
-    }
-
-    return PJ_SUCCESS;
-}
-
-static pj_status_t transport_adapter_sample(void)
-{
-    pjsua_media_transport tp[PJSUA_MAX_CALLS];
-    pj_status_t status;
-    int port = 7000;
-    unsigned i;
-
-    for (i=0; i<app_config.cfg.max_calls; ++i) {
-	status = create_transport_adapter(pjsua_get_pjmedia_endpt(), 
-					  port + i*10,
-					  &tp[i].transport);
-	if (status != PJ_SUCCESS)
-	    return status;
-    }
-
-    return pjsua_media_transports_attach(tp, i, PJ_TRUE);
-}
-#endif
-
 static pj_status_t create_ipv6_media_transports(void)
 {
     pjsua_media_transport tp[PJSUA_MAX_CALLS];
diff --git a/pjsip-apps/src/samples/icedemo.c b/pjsip-apps/src/samples/icedemo.c
index c25313f..79bdb5f 100644
--- a/pjsip-apps/src/samples/icedemo.c
+++ b/pjsip-apps/src/samples/icedemo.c
@@ -1028,8 +1028,8 @@
 	 "     copy-pasting the SDP to the other icedemo application\n"
 	 "   - parse remote SDP, by pasting SDP generated by the other icedemo\n"
 	 "     instance [menu \"r\"]\n"
-	 "   - begin ICE negotiation in our end [menu \"b\"]\n"
-	 "   - begin ICE negotiation in the other icedemo instance\n"
+	 "   - begin ICE negotiation in our end [menu \"b\"], and \n"
+	 "   - immediately begin ICE negotiation in the other icedemo instance\n"
 	 "   - ICE negotiation will run, and result will be printed to screen\n"
 	 "   - send application data to remote [menu \"x\"]\n"
 	 "   - end/stop ICE session [menu \"e\"]\n"
diff --git a/pjsip-apps/src/samples/pcaputil.c b/pjsip-apps/src/samples/pcaputil.c
index 1f6efb2..8101525 100644
--- a/pjsip-apps/src/samples/pcaputil.c
+++ b/pjsip-apps/src/samples/pcaputil.c
@@ -25,10 +25,15 @@
 static const char *USAGE =
 "pcaputil [options] INPUT OUTPUT\n"
 "\n"
-"  Convert captured RTP packets in PCAP file to WAV or stream it\n"
-"  to remote destination.\n"
+"  Convert captured RTP packets in PCAP file to WAV file or play it\n"
+"  to audio device.\n"
 "\n"
-"INPUT is the PCAP file name/path\n"
+"  INPUT  is the PCAP file name/path.\n"
+"  OUTPUT is the WAV file name/path to store the output, or set to \"-\",\n"
+"         to play the output to audio device. The program will decode\n"
+"         the RTP contents using codec that is available in PJMEDIA,\n"
+"         and optionally decrypt the content using the SRTP crypto and\n"
+"         keys below.\n"
 "\n"
 "Options to filter packets from PCAP file:\n"
 "(you can always select the relevant packets from Wireshark of course!)\n"
@@ -37,25 +42,27 @@
 "  --src-port=port        Only include packets from this source port number\n"
 "  --dst-port=port        Only include packets destined to this port number\n"
 "\n"
-"Options for saving to WAV file:\n"
+"Options for RTP packet processing:\n"
 ""
-"  OUTPUT is WAV file:    Set output to WAV file. The program will decode the\n"
-"                         RTP contents to the specified WAV file using codec\n"
-"                         that is available in PJMEDIA, and optionally decrypt\n"
-"                         the content using the SRTP crypto and keys below.\n"
+"  --codec=codec_id	  The codec ID formatted \"name/clock-rate/channel-count\"\n"
+"                         must be specified for codec with dynamic PT,\n"
+"                         e.g: \"Speex/8000\"\n"
 "  --srtp-crypto=TAG, -c  Set crypto to be used to decrypt SRTP packets. Valid\n"
 "                         tags are: \n"
 "                           AES_CM_128_HMAC_SHA1_80 \n"
 "                           AES_CM_128_HMAC_SHA1_32\n"
 "  --srtp-key=KEY, -k     Set the base64 key to decrypt SRTP packets.\n"
 "\n"
+"Options for playing to audio device:\n"
+""
+"  --play-dev-id=dev_id   Audio device ID for playback.\n"
+"\n"
 "  Example:\n"
 "    pcaputil file.pcap output.wav\n"
 "    pcaputil -c AES_CM_128_HMAC_SHA1_80 \\\n"
-"              -k VLDONbsbGl2Puqy+0PV7w/uGfpSPKFevDpxGsxN3 \\\n"
-"              file.pcap output.wav\n"
+"             -k VLDONbsbGl2Puqy+0PV7w/uGfpSPKFevDpxGsxN3 \\\n"
+"             file.pcap output.wav\n"
 "\n"
-"Remote streaming is not supported yet."
 ;
 
 static struct app
@@ -66,22 +73,16 @@
     pj_pcap_file	*pcap;
     pjmedia_port	*wav;
     pjmedia_codec	*codec;
+    pjmedia_aud_stream  *aud_strm;
     unsigned		 pt;
     pjmedia_transport	*srtp;
     pjmedia_rtp_session	 rtp_sess;
     pj_bool_t		 rtp_sess_init;
 } app;
 
-static void err_exit(const char *title, pj_status_t status)
-{
-    if (status != PJ_SUCCESS) {
-	char errmsg[PJ_ERR_MSG_SIZE];
-	pj_strerror(status, errmsg, sizeof(errmsg));
-	printf("Error: %s: %s\n", title, errmsg);
-    } else {
-	printf("Error: %s\n", title);
-    }
 
+static void cleanup()
+{
     if (app.srtp) pjmedia_transport_close(app.srtp);
     if (app.wav) {
         pj_ssize_t pos = pjmedia_wav_writer_port_get_pos(app.wav);
@@ -102,11 +103,26 @@
 	cmgr = pjmedia_endpt_get_codec_mgr(app.mept);
 	pjmedia_codec_mgr_dealloc_codec(cmgr, app.codec);
     }
+    if (app.aud_strm) {
+	pjmedia_aud_stream_stop(app.aud_strm);
+	pjmedia_aud_stream_destroy(app.aud_strm);
+    }
     if (app.mept) pjmedia_endpt_destroy(app.mept);
     if (app.pool) pj_pool_release(app.pool);
     pj_caching_pool_destroy(&app.cp);
     pj_shutdown();
+}
 
+static void err_exit(const char *title, pj_status_t status)
+{
+    if (status != PJ_SUCCESS) {
+	char errmsg[PJ_ERR_MSG_SIZE];
+	pj_strerror(status, errmsg, sizeof(errmsg));
+	printf("Error: %s: %s\n", title, errmsg);
+    } else {
+	printf("Error: %s\n", title);
+    }
+    cleanup();
     exit(1);
 }
 
@@ -212,9 +228,45 @@
     }
 }
 
-static void pcap2wav(const char *wav_filename, const pj_str_t *srtp_crypto,
+pjmedia_frame play_frm;
+static pj_bool_t play_frm_copied, play_frm_ready;
+
+static pj_status_t wait_play(pjmedia_frame *f)
+{
+    play_frm_copied = PJ_FALSE;
+    play_frm = *f;
+    play_frm_ready = PJ_TRUE;
+    while (!play_frm_copied) {
+	pj_thread_sleep(1);
+    }
+    play_frm_ready = PJ_FALSE;
+
+    return PJ_SUCCESS;
+}
+
+static pj_status_t play_cb(void *user_data, pjmedia_frame *f)
+{
+    PJ_UNUSED_ARG(user_data);
+
+    if (!play_frm_ready) {
+	PJ_LOG(3, ("play_cb()", "Warning! Play frame not ready")); 
+	return PJ_SUCCESS;
+    }
+
+    pj_memcpy(f->buf, play_frm.buf, play_frm.size);
+    f->size = play_frm.size;
+
+    play_frm_copied = PJ_TRUE;
+    return PJ_SUCCESS;
+}
+
+static void pcap2wav(const pj_str_t *codec,
+		     const pj_str_t *wav_filename,
+		     pjmedia_aud_dev_index dev_id,
+		     const pj_str_t *srtp_crypto,
 		     const pj_str_t *srtp_key)
 {
+    const pj_str_t WAV = {".wav", 4};
     struct pkt
     {
 	pj_uint8_t	 buffer[320];
@@ -255,7 +307,18 @@
 
     /* Get codec info and param for the specified payload type */
     app.pt = pkt0.rtp->pt;
-    T( pjmedia_codec_mgr_get_codec_info(cmgr, pkt0.rtp->pt, &ci) );
+    if (app.pt >=0 && app.pt < 96) {
+	T( pjmedia_codec_mgr_get_codec_info(cmgr, pkt0.rtp->pt, &ci) );
+    } else {
+	unsigned cnt = 2;
+	const pjmedia_codec_info *info[2];
+	T( pjmedia_codec_mgr_find_codecs_by_id(cmgr, codec, &cnt, 
+					       info, NULL) );
+	if (cnt != 1)
+	    err_exit("Codec ID must be specified and unique!", 0);
+
+	ci = info[0];
+    }
     T( pjmedia_codec_mgr_get_default_param(cmgr, ci, &param) );
 
     /* Alloc and init codec */
@@ -263,13 +326,30 @@
     T( pjmedia_codec_init(app.codec, app.pool) );
     T( pjmedia_codec_open(app.codec, &param) );
 
-    /* Open WAV file */
+    /* Init audio device or WAV file */
     samples_per_frame = ci->clock_rate * param.info.frm_ptime / 1000;
-    T( pjmedia_wav_writer_port_create(app.pool, wav_filename,
-				      ci->clock_rate, ci->channel_cnt,
-				      samples_per_frame,
-				      param.info.pcm_bits_per_sample, 0, 0,
-				      &app.wav) );
+    if (pj_strcmp2(wav_filename, "-") == 0) {
+	pjmedia_aud_param aud_param;
+
+	/* Open audio device */
+	T( pjmedia_aud_dev_default_param(dev_id, &aud_param) );
+	aud_param.dir = PJMEDIA_DIR_PLAYBACK;
+	aud_param.channel_count = ci->channel_cnt;
+	aud_param.clock_rate = ci->clock_rate;
+	aud_param.samples_per_frame = samples_per_frame;
+	T( pjmedia_aud_stream_create(&aud_param, NULL, &play_cb, 
+				     NULL, &app.aud_strm) );
+	T( pjmedia_aud_stream_start(app.aud_strm) );
+    } else if (pj_stristr(wav_filename, &WAV)) {
+	/* Open WAV file */
+	T( pjmedia_wav_writer_port_create(app.pool, wav_filename->ptr,
+					  ci->clock_rate, ci->channel_cnt,
+					  samples_per_frame,
+					  param.info.pcm_bits_per_sample, 0, 0,
+					  &app.wav) );
+    } else {
+	err_exit("invalid output file", PJ_EINVAL);
+    }
 
     /* Loop reading PCAP and writing WAV file */
     for (;;) {
@@ -298,7 +378,12 @@
 
 	    T( pjmedia_codec_decode(app.codec, &frames[i], pcm_frame.size, 
 				     &pcm_frame) );
-	    T( pjmedia_port_put_frame(app.wav, &pcm_frame) );
+	    if (app.wav) {
+		T( pjmedia_port_put_frame(app.wav, &pcm_frame) );
+	    }
+	    if (app.aud_strm) {
+		T( wait_play(&pcm_frame) );
+	    }
 	    samples_cnt += samples_per_frame;
 	}
 
@@ -321,7 +406,12 @@
 		pj_bzero(pcm_frame.buf, pcm_frame.size);
 	    }
 
-	    T( pjmedia_port_put_frame(app.wav, &pcm_frame) );
+	    if (app.wav) {
+		T( pjmedia_port_put_frame(app.wav, &pcm_frame) );
+	    }
+	    if (app.aud_strm) {
+		T( wait_play(&pcm_frame) );
+	    }
 	    ts_gap -= samples_per_frame;
 	}
 	
@@ -335,11 +425,15 @@
 
 int main(int argc, char *argv[])
 {
-    pj_str_t input, output, wav, srtp_crypto, srtp_key;
+    pj_str_t input, output, srtp_crypto, srtp_key, codec;
+    pjmedia_aud_dev_index dev_id = PJMEDIA_AUD_DEFAULT_PLAYBACK_DEV;
     pj_pcap_filter filter;
     pj_status_t status;
 
-    enum { OPT_SRC_IP = 1, OPT_DST_IP, OPT_SRC_PORT, OPT_DST_PORT };
+    enum { 
+	OPT_SRC_IP = 1, OPT_DST_IP, OPT_SRC_PORT, OPT_DST_PORT,
+	OPT_CODEC, OPT_PLAY_DEV_ID
+    };
     struct pj_getopt_option long_options[] = {
 	{ "srtp-crypto",    1, 0, 'c' },
 	{ "srtp-key",	    1, 0, 'k' },
@@ -347,6 +441,8 @@
 	{ "dst-ip",	    1, 0, OPT_DST_IP },
 	{ "src-port",	    1, 0, OPT_SRC_PORT },
 	{ "dst-port",	    1, 0, OPT_DST_PORT },
+	{ "codec",	    1, 0, OPT_CODEC },
+	{ "play-dev-id",    1, 0, OPT_PLAY_DEV_ID },
 	{ NULL, 0, 0, 0}
     };
     int c;
@@ -354,6 +450,7 @@
     char key_bin[32];
 
     srtp_crypto.slen = srtp_key.slen = 0;
+    codec.slen = 0;
 
     pj_pcap_filter_default(&filter);
     filter.link = PJ_PCAP_LINK_TYPE_ETH;
@@ -398,6 +495,12 @@
 	case OPT_DST_PORT:
 	    filter.dst_port = pj_htons((pj_uint16_t)atoi(pj_optarg));
 	    break;
+	case OPT_CODEC:
+	    codec = pj_str(pj_optarg);
+	    break;
+	case OPT_PLAY_DEV_ID:
+	    dev_id = atoi(pj_optarg);
+	    break;
 	default:
 	    puts("Error: invalid option");
 	    return 1;
@@ -417,7 +520,6 @@
 
     input = pj_str(argv[pj_optind]);
     output = pj_str(argv[pj_optind+1]);
-    wav = pj_str(".wav");
     
     T( pj_init() );
 
@@ -430,16 +532,9 @@
     T( pj_pcap_open(app.pool, input.ptr, &app.pcap) );
     T( pj_pcap_set_filter(app.pcap, &filter) );
 
-    if (pj_stristr(&output, &wav)) {
-	pcap2wav(output.ptr, &srtp_crypto, &srtp_key);
-    } else {
-	err_exit("invalid output file", PJ_EINVAL);
-    }
+    pcap2wav(&codec, &output, dev_id, &srtp_crypto, &srtp_key);
 
-    pjmedia_endpt_destroy(app.mept);
-    pj_pool_release(app.pool);
-    pj_caching_pool_destroy(&app.cp);
-    pj_shutdown();
+    cleanup();
     return 0;
 }
 
diff --git a/pjsip/include/pjsip-ua/sip_inv.h b/pjsip/include/pjsip-ua/sip_inv.h
index 4fe4475..f3bceb2 100644
--- a/pjsip/include/pjsip-ua/sip_inv.h
+++ b/pjsip/include/pjsip-ua/sip_inv.h
@@ -367,6 +367,7 @@
     pjsip_status_code	 cause;			    /**< Disconnect cause.  */
     pj_str_t		 cause_text;		    /**< Cause text.	    */
     pj_bool_t		 notify;		    /**< Internal.	    */
+    unsigned		 cb_called;		    /**< Cb has been called */
     pjsip_dialog	*dlg;			    /**< Underlying dialog. */
     pjsip_role_e	 role;			    /**< Invite role.	    */
     unsigned		 options;		    /**< Options in use.    */
diff --git a/pjsip/include/pjsip/sip_config.h b/pjsip/include/pjsip/sip_config.h
index 78c324b..6398e77 100644
--- a/pjsip/include/pjsip/sip_config.h
+++ b/pjsip/include/pjsip/sip_config.h
@@ -668,6 +668,16 @@
 #   define PJSIP_POOL_TSX_INC		256
 #endif
 
+/**
+ * Delay for non-100 1xx retransmission, in seconds.
+ * Set to 0 to disable this feature.
+ *
+ * Default: 60 seconds
+ */
+#ifndef PJSIP_TSX_1XX_RETRANS_DELAY
+#   define PJSIP_TSX_1XX_RETRANS_DELAY	60
+#endif
+
 #define PJSIP_MAX_TSX_KEY_LEN		(PJSIP_MAX_URL_SIZE*2)
 
 /* User agent. */
diff --git a/pjsip/include/pjsip/sip_endpoint.h b/pjsip/include/pjsip/sip_endpoint.h
index 3f3dbb3..e957271 100644
--- a/pjsip/include/pjsip/sip_endpoint.h
+++ b/pjsip/include/pjsip/sip_endpoint.h
@@ -56,8 +56,8 @@
  *    existing modules (such as when incoming request has unsupported method).
  *  - and so on..
  *
- * Theoritically application can have multiple instances of SIP endpoint, 
- * although it's not clear why application may want to do it.
+ * Application should only instantiate one SIP endpoint instance for every
+ * process.
  *
  * @{
  */
diff --git a/pjsip/include/pjsua-lib/pjsua.h b/pjsip/include/pjsua-lib/pjsua.h
index 636d095..cedb1d9 100644
--- a/pjsip/include/pjsua-lib/pjsua.h
+++ b/pjsip/include/pjsua-lib/pjsua.h
@@ -539,6 +539,22 @@
 
 
 /**
+ * This enumeration specifies the options for custom media transport creation.
+ */
+typedef enum pjsua_create_media_transport_flag
+{
+   /**
+    * This flag indicates that the media transport must also close its
+    * "member" or "child" transport when pjmedia_transport_close() is
+    * called. If this flag is not specified, then the media transport
+    * must not call pjmedia_transport_close() of its member transport.
+    */
+   PJSUA_MED_TP_CLOSE_MEMBER = 1
+
+} pjsua_create_media_transport_flag;
+
+
+/**
  * This structure describes application callback to receive various event
  * notification from PJSUA-API. All of these callbacks are OPTIONAL,
  * although definitely application would want to implement some of
@@ -706,6 +722,18 @@
 
 
     /**
+     * Notify application when registration or unregistration has been
+     * initiated. Note that this only notifies the initial registration
+     * and unregistration. Once registration session is active, subsequent
+     * refresh will not cause this callback to be called.
+     *
+     * @param acc_id	    The account ID.
+     * @param renew	    Non-zero for registration and zero for
+     * 			    unregistration.
+     */
+    void (*on_reg_started)(pjsua_acc_id acc_id, pj_bool_t renew);
+    
+    /**
      * Notify application when registration status has changed.
      * Application may then query the account info to get the
      * registration details.
@@ -1074,6 +1102,32 @@
 				unsigned med_idx,
 				pjmedia_event *event);
 
+    /**
+     * This callback can be used by application to implement custom media
+     * transport adapter for the call, or to replace the media transport
+     * with something completely new altogether.
+     *
+     * This callback is called when a new call is created. The library has
+     * created a media transport for the call, and it is provided as the
+     * \a base_tp argument of this callback. Upon returning, the callback
+     * must return an instance of media transport to be used by the call.
+     *
+     * @param call_id       Call ID
+     * @param media_idx     The media index in the SDP for which this media
+     *                      transport will be used.
+     * @param base_tp       The media transport which otherwise will be
+     *                      used by the call has this callback not been
+     *                      implemented.
+     * @param flags         Bitmask from pjsua_create_media_transport_flag.
+     *
+     * @return              The callback must return an instance of media
+     *                      transport to be used by the call.
+     */
+    pjmedia_transport* (*on_create_media_transport)(pjsua_call_id call_id,
+                                                    unsigned media_idx,
+                                                    pjmedia_transport *base_tp,
+                                                    unsigned flags);
+
 } pjsua_callback;
 
 
@@ -1110,6 +1164,34 @@
 
 
 /**
+ * This constants controls the use of 100rel extension.
+ */
+typedef enum pjsua_100rel_use
+{
+    /**
+     * Not used. For UAC, support for 100rel will be indicated in Supported
+     * header so that peer can opt to use it if it wants to. As UAS, this
+     * option will NOT cause 100rel to be used even if UAC indicates that
+     * it supports this feature.
+     */
+    PJSUA_100REL_NOT_USED,
+
+    /**
+     * Mandatory. UAC will place 100rel in Require header, and UAS will
+     * reject incoming calls unless it has 100rel in Supported header.
+     */
+    PJSUA_100REL_MANDATORY,
+
+    /**
+     * Optional. Similar to PJSUA_100REL_NOT_USED, except that as UAS, this
+     * option will cause 100rel to be used if UAC indicates that it supports it.
+     */
+    PJSUA_100REL_OPTIONAL
+
+} pjsua_100rel_use;
+
+
+/**
  * This structure describes the settings to control the API and
  * user agent behavior, and can be specified when calling #pjsua_init().
  * Before setting the values, application must call #pjsua_config_default()
@@ -1245,13 +1327,13 @@
     int		    nat_type_in_sdp;
 
     /**
-     * Specify whether support for reliable provisional response (100rel and
-     * PRACK) should be required by default. Note that this setting can be
+     * Specify how the support for reliable provisional response (100rel/
+     * PRACK) should be used by default. Note that this setting can be
      * further customized in account configuration (#pjsua_acc_config).
      *
-     * Default: PJ_FALSE
+     * Default: PJSUA_100REL_NOT_USED
      */
-    pj_bool_t	    require_100rel;
+    pjsua_100rel_use require_100rel;
 
     /**
      * Specify the usage of Session Timers for all sessions. See the
@@ -1366,6 +1448,35 @@
 
 
 /**
+ * Flags to be given to pjsua_destroy2()
+ */
+typedef enum pjsua_destroy_flag
+{
+    /**
+     * Allow sending outgoing messages (such as unregistration, event
+     * unpublication, BYEs, unsubscription, etc.), but do not wait for
+     * responses. This is useful to perform "best effort" clean up
+     * without delaying the shutdown process waiting for responses.
+     */
+    PJSUA_DESTROY_NO_RX_MSG = 1,
+
+    /**
+     * If this flag is set, do not send any outgoing messages at all.
+     * This flag is useful if application knows that the network which
+     * the messages are to be sent on is currently down.
+     */
+    PJSUA_DESTROY_NO_TX_MSG = 2,
+
+    /**
+     * Do not send or receive messages during destroy. This flag is
+     * shorthand for  PJSUA_DESTROY_NO_RX_MSG + PJSUA_DESTROY_NO_TX_MSG.
+     */
+    PJSUA_DESTROY_NO_NETWORK = PJSUA_DESTROY_NO_RX_MSG |
+			       PJSUA_DESTROY_NO_TX_MSG
+
+} pjsua_destroy_flag;
+
+/**
  * Use this function to initialize pjsua config.
  *
  * @param cfg	pjsua config to be initialized.
@@ -1513,6 +1624,8 @@
  * Application.may safely call this function more than once if it doesn't
  * keep track of it's state.
  *
+ * @see pjsua_destroy2()
+ *
  * @return		PJ_SUCCESS on success, or the appropriate error code.
  */
 PJ_DECL(pj_status_t) pjsua_destroy(void);
@@ -1527,6 +1640,16 @@
 
 
 /**
+ * Variant of destroy with additional flags.
+ *
+ * @param flags		Combination of pjsua_destroy_flag enumeration.
+ *
+ * @return		PJ_SUCCESS on success, or the appropriate error code.
+ */
+PJ_DECL(pj_status_t) pjsua_destroy2(unsigned flags);
+
+
+/**
  * Poll pjsua for events, and if necessary block the caller thread for
  * the specified maximum interval (in miliseconds).
  *
@@ -2395,12 +2518,14 @@
     pj_str_t	    contact_uri_params;
 
     /**
-     * Specify whether support for reliable provisional response (100rel and
-     * PRACK) should be required for all sessions of this account.
+     * Specify how support for reliable provisional response (100rel/
+     * PRACK) should be used for all sessions in this account. See the
+     * documentation of pjsua_100rel_use enumeration for more info.
      *
-     * Default: PJ_FALSE
+     * Default: The default value is taken from the value of
+     *          require_100rel in pjsua_config.
      */
-    pj_bool_t	    require_100rel;
+    pjsua_100rel_use require_100rel;
 
     /**
      * Specify the usage of Session Timers for all sessions. See the
@@ -2676,13 +2801,28 @@
     /**
      * Specify interval of auto registration retry upon registration failure
      * (including caused by transport problem), in second. Set to 0 to
-     * disable auto re-registration.
+     * disable auto re-registration. Note that if the registration retry
+     * occurs because of transport failure, the first retry will be done
+     * after \a reg_first_retry_interval seconds instead. Also note that
+     * the interval will be randomized slightly by approximately +/- ten
+     * seconds to avoid all clients re-registering at the same time.
+     *
+     * See also \a reg_first_retry_interval setting.
      *
      * Default: #PJSUA_REG_RETRY_INTERVAL
      */
     unsigned	     reg_retry_interval;
 
     /**
+     * This specifies the interval for the first registration retry. The
+     * registration retry is explained in \a reg_retry_interval. Note that
+     * the value here will also be randomized by +/- ten seconds.
+     *
+     * Default: 0
+     */
+    unsigned	     reg_first_retry_interval;
+
+    /**
      * Specify whether calls of the configured account should be dropped
      * after registration failure and an attempt of re-registration has 
      * also failed.
@@ -2721,6 +2861,16 @@
      * Default: PJSUA_CALL_HOLD_TYPE_DEFAULT
      */
     pjsua_call_hold_type call_hold_type;
+    
+    
+    /**
+     * Specify whether the account should register as soon as it is
+     * added to the UA. Application can set this to PJ_FALSE and control
+     * the registration manually with pjsua_acc_set_registration().
+     *
+     * Default: PJ_TRUE
+     */
+    pj_bool_t         register_on_acc_add;
 
 } pjsua_acc_config;
 
diff --git a/pjsip/include/pjsua-lib/pjsua_internal.h b/pjsip/include/pjsua-lib/pjsua_internal.h
index b15a102..db566ed 100644
--- a/pjsip/include/pjsua-lib/pjsua_internal.h
+++ b/pjsip/include/pjsua-lib/pjsua_internal.h
@@ -43,6 +43,7 @@
     pjmedia_type	 type;	    /**< Media type.			    */
     unsigned		 idx;       /**< This media index in parent call.   */
     pjsua_call_media_status state;  /**< Media state.			    */
+    pjsua_call_media_status prev_state;/**< Previous media state.           */
     pjmedia_dir		 dir;       /**< Media direction.		    */
 
     /** The stream */
@@ -78,6 +79,7 @@
     pjmedia_transport	*tp_orig;   /**< Original media transport	    */
     pj_bool_t		 tp_auto_del; /**< May delete media transport       */
     pjsua_med_tp_st	 tp_st;     /**< Media transport state		    */
+    pj_bool_t            use_custom_med_tp;/**< Use custom media transport? */
     pj_sockaddr		 rtp_addr;  /**< Current RTP source address
 					    (used to update ICE default
 					    address)			    */
@@ -130,6 +132,7 @@
     int			 secure_level;/**< Signaling security level.	    */
     pjsua_call_hold_type call_hold_type; /**< How to do call hold.	    */
     pj_bool_t		 local_hold;/**< Flag for call-hold by local.	    */
+    void		*hold_msg;  /**< Outgoing hold tx_data.		    */
 
     unsigned		 med_cnt;   /**< Number of media in SDP.	    */
     pjsua_call_media     media[PJSUA_MAX_CALL_MEDIA]; /**< Array of media   */
@@ -580,7 +583,7 @@
 /*
  * Shutdown presence.
  */
-void pjsua_pres_shutdown(void);
+void pjsua_pres_shutdown(unsigned flags);
 
 /**
  * Init presence for aoocunt.
@@ -595,12 +598,12 @@
 /**
  *  Send un-PUBLISH
  */
-void pjsua_pres_unpublish(pjsua_acc *acc);
+void pjsua_pres_unpublish(pjsua_acc *acc, unsigned flags);
 
 /**
  * Terminate server subscription for the account 
  */
-void pjsua_pres_delete_acc(int acc_id);
+void pjsua_pres_delete_acc(int acc_id, unsigned flags);
 
 /**
  * Init IM module handler to handle incoming MESSAGE outside dialog.
@@ -635,7 +638,7 @@
 /**
  * Destroy pjsua media subsystem.
  */
-pj_status_t pjsua_media_subsys_destroy(void);
+pj_status_t pjsua_media_subsys_destroy(unsigned flags);
 
 /**
  * Private: check if we can accept the message.
diff --git a/pjsip/src/pjsip-simple/evsub_msg.c b/pjsip/src/pjsip-simple/evsub_msg.c
index 77e4b48..df2dd55 100644
--- a/pjsip/src/pjsip-simple/evsub_msg.c
+++ b/pjsip/src/pjsip-simple/evsub_msg.c
@@ -295,7 +295,7 @@
  */
 PJ_DEF(void) pjsip_evsub_init_parser(void)
 {
-    pjsip_register_hdr_parser( "Event", NULL, 
+    pjsip_register_hdr_parser( "Event", "o",
 			       &parse_hdr_event);
 
     pjsip_register_hdr_parser( "Subscription-State", NULL, 
diff --git a/pjsip/src/pjsip-simple/pidf.c b/pjsip/src/pjsip-simple/pidf.c
index 4787d9a..b90725d 100644
--- a/pjsip/src/pjsip-simple/pidf.c
+++ b/pjsip/src/pjsip-simple/pidf.c
@@ -324,15 +324,16 @@
 PJ_DEF(pj_bool_t) pjpidf_status_is_basic_open(const pjpidf_status *st)
 {
     pj_xml_node *node = pj_xml_find_node((pj_xml_node*)st, &BASIC);
-    pj_assert(node != NULL);
+    if (!node)
+	return PJ_FALSE;
     return pj_stricmp(&node->content, &OPEN)==0;
 }
 
 PJ_DEF(void) pjpidf_status_set_basic_open(pjpidf_status *st, pj_bool_t open)
 {
     pj_xml_node *node = pj_xml_find_node(st, &BASIC);
-    pj_assert(node != NULL);
-    node->content = open ? OPEN : CLOSED;
+    if (node)
+	node->content = open ? OPEN : CLOSED;
 }
 
 PJ_DEF(pjpidf_pres*) pjpidf_create(pj_pool_t *pool, const pj_str_t *entity)
diff --git a/pjsip/src/pjsip-ua/sip_100rel.c b/pjsip/src/pjsip-ua/sip_100rel.c
index 5d49731..d2bb1d4 100644
--- a/pjsip/src/pjsip-ua/sip_100rel.c
+++ b/pjsip/src/pjsip-ua/sip_100rel.c
@@ -105,8 +105,10 @@
 /* UAC state */
 typedef struct uac_state_t
 {
-	pj_int32_t	cseq;
-	pj_uint32_t	rseq;	/* Initialized to -1 */
+    pj_str_t		tag;	/* To tag	     	*/
+    pj_int32_t		cseq;
+    pj_uint32_t		rseq;	/* Initialized to -1 	*/
+    struct uac_state_t *next;	/* next call leg	*/
 } uac_state_t;
 
 
@@ -115,7 +117,7 @@
 {
 	pjsip_inv_session	*inv;
 	uas_state_t		*uas_state;
-	uac_state_t		*uac_state;
+	uac_state_t		*uac_state_list;
 };
 
 
@@ -231,6 +233,8 @@
 					       pjsip_tx_data **p_tdata)
 {
     dlg_data *dd;
+    uac_state_t *uac_state = NULL;
+    const pj_str_t *to_tag = &rdata->msg_info.to->tag;
     pjsip_transaction *tsx;
     pjsip_msg *msg;
     pjsip_generic_string_hdr *rseq_hdr;
@@ -261,41 +265,51 @@
 	       pjsip_msg_find_hdr_by_name(msg, &RSEQ, NULL);
     if (rseq_hdr == NULL) {
 	PJ_LOG(4,(dd->inv->dlg->obj_name, 
-		 "Ignoring provisional response with no RSeq header"));
+		 "Ignoring 100rel response with no RSeq header"));
 	return PJSIP_EMISSINGHDR;
     }
     rseq = (pj_uint32_t) pj_strtoul(&rseq_hdr->hvalue);
 
-    /* Create new UAC state if we don't have one */
-    if (dd->uac_state == NULL) {
-	dd->uac_state = PJ_POOL_ZALLOC_T(dd->inv->dlg->pool,
-					 uac_state_t);
-	dd->uac_state->cseq = rdata->msg_info.cseq->cseq;
-	dd->uac_state->rseq = rseq - 1;
+    /* Find UAC state for the specified call leg */
+    uac_state = dd->uac_state_list;
+    while (uac_state) {
+	if (pj_strcmp(&uac_state->tag, to_tag)==0)
+	    break;
+	uac_state = uac_state->next;
     }
 
-    /* If this is from new INVITE transaction, reset UAC state */
-    if (rdata->msg_info.cseq->cseq != dd->uac_state->cseq) {
-	dd->uac_state->cseq = rdata->msg_info.cseq->cseq;
-	dd->uac_state->rseq = rseq - 1;
+    /* Create new UAC state if we don't have one */
+    if (uac_state == NULL) {
+	uac_state = PJ_POOL_ZALLOC_T(dd->inv->dlg->pool, uac_state_t);
+	uac_state->cseq = rdata->msg_info.cseq->cseq;
+	uac_state->rseq = rseq - 1;
+	pj_strdup(dd->inv->dlg->pool, &uac_state->tag, to_tag);
+	uac_state->next = dd->uac_state_list;
+	dd->uac_state_list = uac_state;
+    }
+
+    /* If this is from new INVITE transaction, reset UAC state. */
+    if (rdata->msg_info.cseq->cseq != uac_state->cseq) {
+	uac_state->cseq = rdata->msg_info.cseq->cseq;
+	uac_state->rseq = rseq - 1;
     }
 
     /* Ignore provisional response retransmission */
-    if (rseq <= dd->uac_state->rseq) {
+    if (rseq <= uac_state->rseq) {
 	/* This should have been handled before */
 	return PJ_EIGNORED;
 
     /* Ignore provisional response with out-of-order RSeq */
-    } else if (rseq != dd->uac_state->rseq + 1) {
+    } else if (rseq != uac_state->rseq + 1) {
 	PJ_LOG(4,(dd->inv->dlg->obj_name, 
-		 "Ignoring provisional response because RSeq jump "
+		 "Ignoring 100rel response because RSeq jump "
 		 "(expecting %u, got %u)",
-		 dd->uac_state->rseq+1, rseq));
+		 uac_state->rseq+1, rseq));
 	return PJ_EIGNORED;
     }
 
     /* Update our RSeq */
-    dd->uac_state->rseq = rseq;
+    uac_state->rseq = rseq;
 
     /* Create PRACK */
     status = pjsip_dlg_create_request(dd->inv->dlg, &pjsip_prack_method,
@@ -303,6 +317,26 @@
     if (status != PJ_SUCCESS)
 	return status;
 
+    /* If this response is a forked response from a different call-leg,
+     * update the req URI (https://trac.pjsip.org/repos/ticket/1364)
+     */
+    if (pj_strcmp(&uac_state->tag, &dd->inv->dlg->remote.info->tag)) {
+	const pjsip_contact_hdr *mhdr;
+
+	mhdr = (const pjsip_contact_hdr*)
+	       pjsip_msg_find_hdr(rdata->msg_info.msg,
+	                          PJSIP_H_CONTACT, NULL);
+	if (!mhdr || !mhdr->uri) {
+	    PJ_LOG(4,(dd->inv->dlg->obj_name,
+		     "Ignoring 100rel response with no or "
+		     "invalid Contact header"));
+	    pjsip_tx_data_dec_ref(tdata);
+	    return PJ_EIGNORED;
+	}
+	tdata->msg->line.req.uri = (pjsip_uri*)
+				   pjsip_uri_clone(tdata->pool, mhdr->uri);
+    }
+
     /* Create RAck header */
     rack.ptr = rack_buf;
     rack.slen = pj_ansi_snprintf(rack.ptr, sizeof(rack_buf),
diff --git a/pjsip/src/pjsip-ua/sip_inv.c b/pjsip/src/pjsip-ua/sip_inv.c
index eca737e..46153c9 100644
--- a/pjsip/src/pjsip-ua/sip_inv.c
+++ b/pjsip/src/pjsip-ua/sip_inv.c
@@ -195,8 +195,18 @@
 		   pjsip_event *e)
 {
     pjsip_inv_state prev_state = inv->state;
+    pj_bool_t dont_notify = PJ_FALSE;
     pj_status_t status;
 
+    /* Prevent STATE_CALLING from being reported more than once because
+     * of authentication
+     * https://trac.pjsip.org/repos/ticket/1318
+     */
+    if (state==PJSIP_INV_STATE_CALLING && 
+	(inv->cb_called & (1 << PJSIP_INV_STATE_CALLING)) != 0)
+    {
+	dont_notify = PJ_TRUE;
+    }
 
     /* If state is confirmed, check that SDP negotiation is done,
      * otherwise disconnect the session.
@@ -224,8 +234,11 @@
     pj_assert(inv->state != PJSIP_INV_STATE_DISCONNECTED ||
 	      inv->cause != 0);
 
+    /* Mark the callback as called for this state */
+    inv->cb_called |= (1 << state);
+
     /* Call on_state_changed() callback. */
-    if (mod_inv.cb.on_state_changed && inv->notify)
+    if (mod_inv.cb.on_state_changed && inv->notify && !dont_notify)
 	(*mod_inv.cb.on_state_changed)(inv, e);
 
     /* Only decrement when previous state is not already DISCONNECTED */
@@ -4116,6 +4129,16 @@
 		/* Not Acceptable */
 		const pjsip_hdr *accept;
 
+		/* The incoming SDP is unacceptable. If the SDP negotiator
+		 * state has just been changed, i.e: DONE -> REMOTE_OFFER,
+		 * revert it back.
+		 */
+		if (pjmedia_sdp_neg_get_state(inv->neg) ==
+		    PJMEDIA_SDP_NEG_STATE_REMOTE_OFFER)
+		{
+		    pjmedia_sdp_neg_cancel_offer(inv->neg);
+		}
+
 		status = pjsip_dlg_create_response(inv->dlg, rdata, 
 						   488, NULL, &tdata);
 		if (status != PJ_SUCCESS)
diff --git a/pjsip/src/pjsip/sip_multipart.c b/pjsip/src/pjsip/sip_multipart.c
index c4ae647..45c7fca 100644
--- a/pjsip/src/pjsip/sip_multipart.c
+++ b/pjsip/src/pjsip/sip_multipart.c
@@ -81,10 +81,13 @@
 	/* Print optional headers */
 	hdr = part->hdr.next;
 	while (hdr != &part->hdr) {
-	    int printed = pjsip_hdr_print_on((pjsip_hdr*)hdr, p, SIZE_LEFT());
+	    int printed = pjsip_hdr_print_on((pjsip_hdr*)hdr, p,
+	                                     SIZE_LEFT()-2);
 	    if (printed < 0)
 		return -1;
 	    p += printed;
+	    *p++ = '\r';
+	    *p++ = '\n';
 	    hdr = hdr->next;
 	}
 
diff --git a/pjsip/src/pjsip/sip_transaction.c b/pjsip/src/pjsip/sip_transaction.c
index bdc7b26..c127162 100644
--- a/pjsip/src/pjsip/sip_transaction.c
+++ b/pjsip/src/pjsip/sip_transaction.c
@@ -146,13 +146,6 @@
 #define TIMER_INACTIVE	0
 #define TIMER_ACTIVE	1
 
-/* Delay for 1xx retransmission (should be 60 seconds).
- * Specify 0 to disable this feature
- */
-#ifndef PJSIP_TSX_1XX_RETRANS_DELAY
-#   define PJSIP_TSX_1XX_RETRANS_DELAY    60
-#endif
-
 
 /* Prototypes. */
 static void	   lock_tsx(pjsip_transaction *tsx, struct tsx_lock_data *lck);
@@ -2118,7 +2111,6 @@
  */
 static void tsx_resched_retransmission( pjsip_transaction *tsx )
 {
-    pj_time_val timeout;
     pj_uint32_t msec_time;
 
     pj_assert((tsx->transport_flag & TSX_HAS_PENDING_TRANSPORT) == 0);
@@ -2151,11 +2143,15 @@
 	}
     }
 
-    timeout.sec = msec_time / 1000;
-    timeout.msec = msec_time % 1000;
-    tsx->retransmit_timer.id = TIMER_ACTIVE;
-    pjsip_endpt_schedule_timer( tsx->endpt, &tsx->retransmit_timer, 
-				&timeout);
+    if (msec_time != 0) {
+	pj_time_val timeout;
+
+	timeout.sec = msec_time / 1000;
+	timeout.msec = msec_time % 1000;
+	tsx->retransmit_timer.id = TIMER_ACTIVE;
+	pjsip_endpt_schedule_timer( tsx->endpt, &tsx->retransmit_timer, 
+				    &timeout);
+    }
 }
 
 /*
@@ -2987,6 +2983,12 @@
 	    timeout.sec = timeout.msec = 0;
 	}
 	lock_timer(tsx);
+	/* In the short period above timer may have been inserted
+	 * by set_timeout() (by CANCEL). Cancel it if necessary. See:
+	 *  https://trac.pjsip.org/repos/ticket/1374
+	 */
+	if (tsx->timeout_timer.id)
+	    pjsip_endpt_cancel_timer( tsx->endpt, &tsx->timeout_timer );
 	tsx->timeout_timer.id = TIMER_ACTIVE;
 	pjsip_endpt_schedule_timer( tsx->endpt, &tsx->timeout_timer, &timeout);
 	unlock_timer(tsx);
diff --git a/pjsip/src/pjsip/sip_util.c b/pjsip/src/pjsip/sip_util.c
index bdf8fe6..4f82a1a 100644
--- a/pjsip/src/pjsip/sip_util.c
+++ b/pjsip/src/pjsip/sip_util.c
@@ -813,6 +813,8 @@
     if (PJSIP_URI_SCHEME_IS_SIPS(target_uri)) {
 	pjsip_uri *uri = (pjsip_uri*) target_uri;
 	const pjsip_sip_uri *url=(const pjsip_sip_uri*)pjsip_uri_get_uri(uri);
+	unsigned flag;
+
 	dest_info->flag |= (PJSIP_TRANSPORT_SECURE | PJSIP_TRANSPORT_RELIABLE);
 	if (url->maddr_param.slen)
 	    pj_strdup(pool, &dest_info->addr.host, &url->maddr_param);
@@ -821,6 +823,18 @@
         dest_info->addr.port = url->port;
 	dest_info->type = 
             pjsip_transport_get_type_from_name(&url->transport_param);
+	/* Double-check that the transport parameter match.
+	 * Sample case:     sips:host;transport=tcp
+	 * See https://trac.pjsip.org/repos/ticket/1319
+	 */
+	flag = pjsip_transport_get_flag_from_type(dest_info->type);
+	if ((flag & dest_info->flag) != dest_info->flag) {
+	    pjsip_transport_type_e t;
+
+	    t = pjsip_transport_get_type_from_flag(dest_info->flag);
+	    if (t != PJSIP_TRANSPORT_UNSPECIFIED)
+		dest_info->type = t;
+	}
 
     } else if (PJSIP_URI_SCHEME_IS_SIP(target_uri)) {
 	pjsip_uri *uri = (pjsip_uri*) target_uri;
@@ -1390,6 +1404,9 @@
 
 	pj_assert(addr->count != 0);
 
+	/* Avoid tdata destroyed by pjsip_tpmgr_send_raw(). */
+	pjsip_tx_data_add_ref(sraw_data->tdata);
+
 	data_len = sraw_data->tdata->buf.cur - sraw_data->tdata->buf.start;
 	status = pjsip_tpmgr_send_raw(pjsip_endpt_get_tpmgr(sraw_data->endpt),
 				      addr->entry[0].type,
diff --git a/pjsip/src/pjsua-lib/pjsua_acc.c b/pjsip/src/pjsua-lib/pjsua_acc.c
index 9bcd1dd..226f5d1 100644
--- a/pjsip/src/pjsua-lib/pjsua_acc.c
+++ b/pjsip/src/pjsua-lib/pjsua_acc.c
@@ -470,9 +470,10 @@
 	      (int)cfg->id.slen, cfg->id.ptr, id));
 
     /* If accounts has registration enabled, start registration */
-    if (pjsua_var.acc[id].cfg.reg_uri.slen)
-	pjsua_acc_set_registration(id, PJ_TRUE);
-    else {
+    if (pjsua_var.acc[id].cfg.reg_uri.slen) {
+	if (pjsua_var.acc[id].cfg.register_on_acc_add)
+            pjsua_acc_set_registration(id, PJ_TRUE);
+    } else {
 	/* Otherwise subscribe to MWI, if it's enabled */
 	if (pjsua_var.acc[id].cfg.mwi_enabled)
 	    pjsua_start_mwi(&pjsua_var.acc[id]);
@@ -603,7 +604,7 @@
     }
 
     /* Delete server presence subscription */
-    pjsua_pres_delete_acc(acc_id);
+    pjsua_pres_delete_acc(acc_id, 0);
 
     /* Release account pool */
     if (pjsua_var.acc[acc_id].pool) {
@@ -833,7 +834,7 @@
     if (acc->cfg.publish_enabled != cfg->publish_enabled) {
 	acc->cfg.publish_enabled = cfg->publish_enabled;
 	if (!acc->cfg.publish_enabled)
-	    pjsua_pres_unpublish(acc);
+	    pjsua_pres_unpublish(acc, 0);
 	else
 	    update_reg = PJ_TRUE;
     }
@@ -992,6 +993,7 @@
     acc->cfg.unreg_timeout = cfg->unreg_timeout;
     acc->cfg.allow_contact_rewrite = cfg->allow_contact_rewrite;
     acc->cfg.reg_retry_interval = cfg->reg_retry_interval;
+    acc->cfg.reg_first_retry_interval = cfg->reg_first_retry_interval;
     acc->cfg.drop_calls_on_reg_fail = cfg->drop_calls_on_reg_fail;
     if (acc->cfg.reg_delay_before_refresh != cfg->reg_delay_before_refresh) {
         acc->cfg.reg_delay_before_refresh = cfg->reg_delay_before_refresh;
@@ -1393,7 +1395,7 @@
 			       tp->type_name,
 			       (int)acc->cfg.contact_uri_params.slen,
 			       acc->cfg.contact_uri_params.ptr,
-			       ob,
+			       (acc->cfg.use_rfc5626? ob: ""),
 			       (int)acc->cfg.contact_params.slen,
 			       acc->cfg.contact_params.ptr);
 	if (len < 1) {
@@ -1691,11 +1693,14 @@
 
     pjsua_acc *acc = (pjsua_acc*) param->token;
 
-    if (param->regc != acc->regc)
+    PJSUA_LOCK();
+
+    if (param->regc != acc->regc) {
+        PJSUA_UNLOCK();
 	return;
+    }
 
     pj_log_push_indent();
-    PJSUA_LOCK();
 
     /*
      * Print registration status.
@@ -2054,7 +2059,7 @@
 	    goto on_return;
 	}
 
-	pjsua_pres_unpublish(&pjsua_var.acc[acc_id]);
+	pjsua_pres_unpublish(&pjsua_var.acc[acc_id], 0);
 
 	status = pjsip_regc_unregister(pjsua_var.acc[acc_id].regc, &tdata);
     }
@@ -2070,6 +2075,10 @@
 
 	pjsip_regc_get_info(pjsua_var.acc[acc_id].regc, &reg_info);
 	pjsua_var.acc[acc_id].auto_rereg.reg_tp = reg_info.transport;
+        
+        if (pjsua_var.ua_cfg.cb.on_reg_started) {
+            (*pjsua_var.ua_cfg.cb.on_reg_started)(acc_id, renew);
+        }
     }
 
     if (status != PJ_SUCCESS) {
@@ -2529,10 +2538,11 @@
     /* Create the contact header */
     contact->ptr = (char*)pj_pool_alloc(pool, PJSIP_MAX_URL_SIZE);
     contact->slen = pj_ansi_snprintf(contact->ptr, PJSIP_MAX_URL_SIZE,
-				     "%.*s%s<%s:%.*s%s%s%.*s%s:%d%s%.*s%s>%.*s",
+				     "%s%.*s%s<%s:%.*s%s%s%.*s%s:%d%s%.*s%s>%.*s",
+				     (acc->display.slen?"\"" : ""),
 				     (int)acc->display.slen,
 				     acc->display.ptr,
-				     (acc->display.slen?" " : ""),
+				     (acc->display.slen?"\" " : ""),
 				     (secure ? PJSUA_SECURE_SCHEME : "sip"),
 				     (int)acc->user_part.slen,
 				     acc->user_part.ptr,
@@ -2545,7 +2555,7 @@
 				     transport_param,
 				     (int)acc->cfg.contact_uri_params.slen,
 				     acc->cfg.contact_uri_params.ptr,
-				     ob,
+				     (acc->cfg.use_rfc5626? ob: ""),
 				     (int)acc->cfg.contact_params.slen,
 				     acc->cfg.contact_params.ptr);
 
@@ -2687,10 +2697,11 @@
     /* Create the contact header */
     contact->ptr = (char*) pj_pool_alloc(pool, PJSIP_MAX_URL_SIZE);
     contact->slen = pj_ansi_snprintf(contact->ptr, PJSIP_MAX_URL_SIZE,
-				     "%.*s%s<%s:%.*s%s%s%.*s%s:%d%s%.*s>%.*s",
+				     "%s%.*s%s<%s:%.*s%s%s%.*s%s:%d%s%.*s>%.*s",
+				     (acc->display.slen?"\"" : ""),
 				     (int)acc->display.slen,
 				     acc->display.ptr,
-				     (acc->display.slen?" " : ""),
+				     (acc->display.slen?"\" " : ""),
 				     (secure ? PJSUA_SECURE_SCHEME : "sip"),
 				     (int)acc->user_part.slen,
 				     acc->user_part.ptr,
@@ -2807,8 +2818,23 @@
     acc->auto_rereg.timer.user_data = acc;
 
     /* Reregistration attempt. The first attempt will be done immediately. */
-    delay.sec = acc->auto_rereg.attempt_cnt? acc->cfg.reg_retry_interval : 0;
+    delay.sec = acc->auto_rereg.attempt_cnt? acc->cfg.reg_retry_interval :
+					     acc->cfg.reg_first_retry_interval;
     delay.msec = 0;
+
+    /* Randomize interval by +/- 10 secs */
+    if (delay.sec >= 10) {
+	delay.msec = -10000 + (pj_rand() % 20000);
+    } else {
+	delay.sec = 0;
+	delay.msec = (pj_rand() % 10000);
+    }
+    pj_time_val_normalize(&delay);
+
+    PJ_LOG(4,(THIS_FILE,
+	      "Scheduling re-registration retry for acc %d in %u seconds..",
+	      acc->index, delay.sec));
+
     pjsua_schedule_timer(&acc->auto_rereg.timer, &delay);
 }
 
diff --git a/pjsip/src/pjsua-lib/pjsua_call.c b/pjsip/src/pjsua-lib/pjsua_call.c
index ad96a4d..02a78b9 100644
--- a/pjsip/src/pjsua-lib/pjsua_call.c
+++ b/pjsip/src/pjsua-lib/pjsua_call.c
@@ -971,7 +971,7 @@
     /* Verify that we can handle the request. */
     options |= PJSIP_INV_SUPPORT_100REL;
     options |= PJSIP_INV_SUPPORT_TIMER;
-    if (pjsua_var.acc[acc_id].cfg.require_100rel)
+    if (pjsua_var.acc[acc_id].cfg.require_100rel == PJSUA_100REL_MANDATORY)
 	options |= PJSIP_INV_REQUIRE_100REL;
     if (pjsua_var.media_cfg.enable_ice)
 	options |= PJSIP_INV_SUPPORT_ICE;
@@ -1047,6 +1047,19 @@
 	options &= ~(PJSIP_INV_SUPPORT_TIMER);
     }
 
+    /* If 100rel is optional and UAC supports it, use it. */
+    if ((options & PJSIP_INV_REQUIRE_100REL)==0 &&
+	pjsua_var.acc[acc_id].cfg.require_100rel == PJSUA_100REL_OPTIONAL)
+    {
+	const pj_str_t token = { "100rel", 6};
+	pjsip_dialog_cap_status cap_status;
+
+	cap_status = pjsip_dlg_remote_has_cap(dlg, PJSIP_H_SUPPORTED, NULL,
+	                                      &token);
+	if (cap_status == PJSIP_DIALOG_CAP_SUPPORTED)
+	    options |= PJSIP_INV_REQUIRE_100REL;
+    }
+
     /* Create invite session: */
     status = pjsip_inv_create_uas( dlg, rdata, NULL, options, &inv);
     if (status != PJ_SUCCESS) {
@@ -1288,6 +1301,7 @@
     pj_time_val time_start, timeout;
 
     pj_gettimeofday(&time_start);
+    timeout.sec = 0;
     timeout.msec = PJSUA_ACQUIRE_CALL_TIMEOUT;
     pj_time_val_normalize(&timeout);
 
@@ -1356,20 +1370,24 @@
 PJ_DEF(pjsua_conf_port_id) pjsua_call_get_conf_port(pjsua_call_id call_id)
 {
     pjsua_call *call;
-    pjsua_conf_port_id port_id;
-    pjsip_dialog *dlg;
-    pj_status_t status;
+    pjsua_conf_port_id port_id = PJSUA_INVALID_ID;
 
     PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls, 
 		     PJ_EINVAL);
 
-    status = acquire_call("pjsua_call_get_conf_port()", call_id, &call, &dlg);
-    if (status != PJ_SUCCESS)
-	return PJSUA_INVALID_ID;
+    /* Use PJSUA_LOCK() instead of acquire_call():
+     *  https://trac.pjsip.org/repos/ticket/1371
+     */
+    PJSUA_LOCK();
 
+    if (!pjsua_call_is_active(call_id))
+	goto on_return;
+
+    call = &pjsua_var.calls[call_id];
     port_id = call->media[call->audio_idx].strm.a.conf_slot;
 
-    pjsip_dlg_dec_lock(dlg);
+on_return:
+    PJSUA_UNLOCK();
 
     return port_id;
 }
@@ -1383,18 +1401,23 @@
 					 pjsua_call_info *info)
 {
     pjsua_call *call;
-    pjsip_dialog *dlg;
     unsigned mi;
-    pj_status_t status;
 
     PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls,
 		     PJ_EINVAL);
 
     pj_bzero(info, sizeof(*info));
 
-    status = acquire_call("pjsua_call_get_info()", call_id, &call, &dlg);
-    if (status != PJ_SUCCESS) {
-	return status;
+    /* Use PJSUA_LOCK() instead of acquire_call():
+     *  https://trac.pjsip.org/repos/ticket/1371
+     */
+    PJSUA_LOCK();
+
+    call = &pjsua_var.calls[call_id];
+
+    if (!call->inv) {
+	PJSUA_UNLOCK();
+	return PJSIP_ESESSIONTERMINATED;
     }
 
     /* id and role */
@@ -1520,7 +1543,7 @@
 	PJ_TIME_VAL_SUB(info->total_duration, call->start_time);
     }
 
-    pjsip_dlg_dec_lock(dlg);
+    PJSUA_UNLOCK();
 
     return PJ_SUCCESS;
 }
@@ -1961,10 +1984,14 @@
     /* Add additional headers etc */
     pjsua_process_msg_data( tdata, msg_data);
 
+    /* Record the tx_data to keep track the operation */
+    call->hold_msg = (void*) tdata;
+
     /* Send the request */
     status = pjsip_inv_send_msg( call->inv, tdata);
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to send re-INVITE", status);
+	call->hold_msg = NULL;
 	goto on_return;
     }
 
@@ -2531,14 +2558,15 @@
     PJ_LOG(4,(THIS_FILE, "Hangup all calls.."));
     pj_log_push_indent();
 
-    PJSUA_LOCK();
+    // This may deadlock, see https://trac.pjsip.org/repos/ticket/1305
+    //PJSUA_LOCK();
 
     for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) {
 	if (pjsua_var.calls[i].inv)
 	    pjsua_call_hangup(i, 0, NULL, NULL);
     }
 
-    PJSUA_UNLOCK();
+    //PJSUA_UNLOCK();
     pj_log_pop_indent();
 }
 
@@ -3971,9 +3999,22 @@
 						    &tsx->status_text);
 	    }
 	}
+    } else if (tsx->role == PJSIP_ROLE_UAC &&
+	       tsx->last_tx == (pjsip_tx_data*)call->hold_msg &&
+	       tsx->state >= PJSIP_TSX_STATE_COMPLETED)
+    {
+	/* Monitor the status of call hold request */
+	call->hold_msg = NULL;
+	if (tsx->status_code/100 != 2) {
+	    /* Outgoing call hold failed */
+	    call->local_hold = PJ_FALSE;
+	    PJ_LOG(3,(THIS_FILE, "Error putting call %d on hold (reason=%d)",
+		      call->index, tsx->status_code));
+	}
     }
 
 on_return:
+
     PJSUA_UNLOCK();
     pj_log_pop_indent();
 }
diff --git a/pjsip/src/pjsua-lib/pjsua_core.c b/pjsip/src/pjsua-lib/pjsua_core.c
index 31133b2..5205422 100644
--- a/pjsip/src/pjsua-lib/pjsua_core.c
+++ b/pjsip/src/pjsua-lib/pjsua_core.c
@@ -234,6 +234,7 @@
     pj_list_init(&cfg->reg_hdr_list);
     pj_list_init(&cfg->sub_hdr_list);
     cfg->call_hold_type = PJSUA_CALL_HOLD_TYPE_DEFAULT;
+    cfg->register_on_acc_add = PJ_TRUE;
 }
 
 PJ_DEF(void) pjsua_buddy_config_default(pjsua_buddy_config *cfg)
@@ -1340,7 +1341,7 @@
 /*
  * Destroy pjsua.
  */
-PJ_DEF(pj_status_t) pjsua_destroy(void)
+PJ_DEF(pj_status_t) pjsua_destroy2(unsigned flags)
 {
     int i;  /* Must be signed */
 
@@ -1365,12 +1366,14 @@
     if (pjsua_var.endpt) {
 	unsigned max_wait;
 
-	PJ_LOG(4,(THIS_FILE, "Shutting down..."));
+	PJ_LOG(4,(THIS_FILE, "Shutting down, flags=%d...", flags));
 
 	pj_log_push_indent();
 
 	/* Terminate all calls. */
-	pjsua_call_hangup_all();
+	if ((flags & PJSUA_DESTROY_NO_TX_MSG) == 0) {
+	    pjsua_call_hangup_all();
+	}
 
 	/* Set all accounts to offline */
 	for (i=0; i<(int)PJ_ARRAY_SIZE(pjsua_var.acc); ++i) {
@@ -1381,10 +1384,10 @@
 	}
 
 	/* Terminate all presence subscriptions. */
-	pjsua_pres_shutdown();
+	pjsua_pres_shutdown(flags);
 
 	/* Destroy media (to shutdown media transports etc) */
-	pjsua_media_subsys_destroy();
+	pjsua_media_subsys_destroy(flags);
 
 	/* Wait for sometime until all publish client sessions are done
 	 * (ticket #364)
@@ -1398,6 +1401,11 @@
 		max_wait = pjsua_var.acc[i].cfg.unpublish_max_wait_time_msec;
 	}
 	
+	/* No waiting if RX is disabled */
+	if (flags & PJSUA_DESTROY_NO_RX_MSG) {
+	    max_wait = 0;
+	}
+
 	/* Second stage, wait for unpublications to complete */
 	for (i=0; i<(int)(max_wait/50); ++i) {
 	    unsigned j;
@@ -1427,7 +1435,8 @@
 	    if (!pjsua_var.acc[i].valid)
 		continue;
 
-	    if (pjsua_var.acc[i].regc) {
+	    if (pjsua_var.acc[i].regc && (flags & PJSUA_DESTROY_NO_TX_MSG)==0)
+	    {
 		pjsua_acc_set_registration(i, PJ_FALSE);
 	    }
 	}
@@ -1452,6 +1461,11 @@
 		max_wait = pjsua_var.acc[i].cfg.unreg_timeout;
 	}
 	
+	/* No waiting if RX is disabled */
+	if (flags & PJSUA_DESTROY_NO_RX_MSG) {
+	    max_wait = 0;
+	}
+
 	/* Second stage, wait for unregistrations to complete */
 	for (i=0; i<(int)(max_wait/50); ++i) {
 	    unsigned j;
@@ -1472,8 +1486,9 @@
 	/* Wait for some time to allow unregistration and ICE/TURN
 	 * transports shutdown to complete: 
 	 */
-	if (i < 20)
+	if (i < 20 && (flags & PJSUA_DESTROY_NO_RX_MSG) == 0) {
 	    busy_sleep(1000 - i*50);
+	}
 
 	PJ_LOG(4,(THIS_FILE, "Destroying..."));
 
@@ -1560,6 +1575,12 @@
     return pjsua_var.state;
 }
 
+PJ_DEF(pj_status_t) pjsua_destroy(void)
+{
+    return pjsua_destroy2(0);
+}
+
+
 /**
  * Application is recommended to call this function after all initialization
  * is done, so that the library can do additional checking set up
diff --git a/pjsip/src/pjsua-lib/pjsua_media.c b/pjsip/src/pjsua-lib/pjsua_media.c
index e774365..60aebbe 100644
--- a/pjsip/src/pjsua-lib/pjsua_media.c
+++ b/pjsip/src/pjsua-lib/pjsua_media.c
@@ -396,7 +396,7 @@
 /*
  * Destroy pjsua media subsystem.
  */
-pj_status_t pjsua_media_subsys_destroy(void)
+pj_status_t pjsua_media_subsys_destroy(unsigned flags)
 {
     unsigned i;
 
@@ -441,6 +441,10 @@
 		pjsua_media_channel_deinit(i);
 	    }
 	    if (call_med->tp && call_med->tp_auto_del) {
+	        /* TODO: check if we're not allowed to send to network in the
+	         *       "flags", and if so do not do TURN allocation...
+	         */
+	        PJ_UNUSED_ARG(flags);
 		pjmedia_transport_close(call_med->tp);
 	    }
 	    call_med->tp = NULL;
@@ -1294,11 +1298,18 @@
     if (call_med->tp_st == PJSUA_MED_TP_CREATING)
         set_media_tp_state(call_med, PJSUA_MED_TP_IDLE);
 
+    if (!call_med->tp_orig &&
+        pjsua_var.ua_cfg.cb.on_create_media_transport)
+    {
+        call_med->use_custom_med_tp = PJ_TRUE;
+    } else
+        call_med->use_custom_med_tp = PJ_FALSE;
+
 #if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0)
     /* This function may be called when SRTP transport already exists
      * (e.g: in re-invite, update), don't need to destroy/re-create.
      */
-    if (!call_med->tp_orig || call_med->tp == call_med->tp_orig) {
+    if (!call_med->tp_orig) {
 	pjmedia_srtp_setting srtp_opt;
 	pjmedia_transport *srtp = NULL;
 
@@ -1314,7 +1325,7 @@
 	/* Always create SRTP adapter */
 	pjmedia_srtp_setting_default(&srtp_opt);
 	srtp_opt.close_member_tp = PJ_TRUE;
-	/* If media session has been ever established, let's use remote's
+	/* If media session has been ever established, let's use remote's 
 	 * preference in SRTP usage policy, especially when it is stricter.
 	 */
 	if (call_med->rem_srtp_use > acc->cfg.use_srtp)
@@ -1519,9 +1530,25 @@
                             call->async_call.dlg->pool);
             }
 
-	    status = pjmedia_transport_media_create(
-                         call_med->tp, tmp_pool,
-                         0, call->async_call.rem_sdp, mi);
+            if (call_med->use_custom_med_tp) {
+                unsigned custom_med_tp_flags = 0;
+
+                /* Use custom media transport returned by the application */
+                call_med->tp =
+                    (*pjsua_var.ua_cfg.cb.on_create_media_transport)
+                        (call_id, mi, call_med->tp,
+                         custom_med_tp_flags);
+                if (!call_med->tp) {
+                    status =
+                        PJSIP_ERRNO_FROM_SIP_STATUS(PJSIP_SC_NOT_ACCEPTABLE);
+                }
+            }
+
+            if (call_med->tp) {
+                status = pjmedia_transport_media_create(
+                             call_med->tp, tmp_pool,
+                             0, call->async_call.rem_sdp, mi);
+            }
 	    if (status != PJ_SUCCESS) {
                 call->med_ch_info.status = status;
                 call->med_ch_info.med_idx = mi;
@@ -2104,6 +2131,7 @@
 
 	PJ_LOG(4,(THIS_FILE, "Media session call%02d:%d is destroyed",
 			     call_id, mi));
+        call_med->prev_state = call_med->state;
 	call_med->state = PJSUA_CALL_MEDIA_NONE;
     }
 
@@ -2133,12 +2161,19 @@
     PJ_LOG(4,(THIS_FILE, "Call %d: deinitializing media..", call_id));
     pj_log_push_indent();
 
+    for (mi=0; mi<call->med_cnt; ++mi) {
+	pjsua_call_media *call_med = &call->media[mi];
+
+        if (call_med->type == PJMEDIA_TYPE_AUDIO && call_med->strm.a.stream)
+            pjmedia_stream_send_rtcp_bye(call_med->strm.a.stream);
+    }
+
     stop_media_session(call_id);
 
     for (mi=0; mi<call->med_cnt; ++mi) {
 	pjsua_call_media *call_med = &call->media[mi];
 
-	if (call_med->tp_st > PJSUA_MED_TP_IDLE) {
+        if (call_med->tp_st > PJSUA_MED_TP_IDLE) {
 	    pjmedia_transport_media_stop(call_med->tp);
 	    set_media_tp_state(call_med, PJSUA_MED_TP_IDLE);
 	}
@@ -2153,6 +2188,7 @@
 	    pjmedia_transport_close(call_med->tp);
 	    call_med->tp = call_med->tp_orig = NULL;
 	}
+        call_med->tp_orig = NULL;
     }
 
     check_snd_dev_idle();
@@ -2206,6 +2242,8 @@
     if (status != PJ_SUCCESS)
 	goto on_return;
 
+    si->rtcp_sdes_bye_disabled = PJ_TRUE;
+
     /* Check if no media is active */
     if (si->dir == PJMEDIA_DIR_NONE) {
 	/* Call media state */
@@ -2296,6 +2334,9 @@
 	    goto on_return;
 	}
 
+        if (call_med->prev_state == PJSUA_CALL_MEDIA_NONE)
+            pjmedia_stream_send_rtcp_sdes(call_med->strm.a.stream);
+
 	/* If DTMF callback is installed by application, install our
 	 * callback to the session.
 	 */
diff --git a/pjsip/src/pjsua-lib/pjsua_pres.c b/pjsip/src/pjsua-lib/pjsua_pres.c
index 88ea317..c78e8b5 100644
--- a/pjsip/src/pjsua-lib/pjsua_pres.c
+++ b/pjsip/src/pjsua-lib/pjsua_pres.c
@@ -1320,13 +1320,17 @@
 
 
 /* Unpublish presence publication */
-void pjsua_pres_unpublish(pjsua_acc *acc)
+void pjsua_pres_unpublish(pjsua_acc *acc, unsigned flags)
 {
     if (acc->publish_sess) {
 	pjsua_acc_config *acc_cfg = &acc->cfg;
 
 	acc->online_status = PJ_FALSE;
-	send_publish(acc->index, PJ_FALSE);
+
+	if ((flags & PJSUA_DESTROY_NO_TX_MSG) == 0) {
+	    send_publish(acc->index, PJ_FALSE);
+	}
+
 	/* By ticket #364, don't destroy the session yet (let the callback
 	   destroy it)
 	if (acc->publish_sess) {
@@ -1339,7 +1343,7 @@
 }
 
 /* Terminate server subscription for the account */
-void pjsua_pres_delete_acc(int acc_id)
+void pjsua_pres_delete_acc(int acc_id, unsigned flags)
 {
     pjsua_acc *acc = &pjsua_var.acc[acc_id];
     pjsua_srv_pres *uapres;
@@ -1361,11 +1365,15 @@
 	pres_status.info[0].basic_open = pjsua_var.acc[acc_id].online_status;
 	pjsip_pres_set_status(uapres->sub, &pres_status);
 
-	if (pjsip_pres_notify(uapres->sub, 
-			      PJSIP_EVSUB_STATE_TERMINATED, NULL,
-			      &reason, &tdata)==PJ_SUCCESS)
-	{
-	    pjsip_pres_send_request(uapres->sub, tdata);
+	if ((flags & PJSUA_DESTROY_NO_TX_MSG) == 0) {
+	    if (pjsip_pres_notify(uapres->sub,
+				  PJSIP_EVSUB_STATE_TERMINATED, NULL,
+				  &reason, &tdata)==PJ_SUCCESS)
+	    {
+		pjsip_pres_send_request(uapres->sub, tdata);
+	    }
+	} else {
+	    pjsip_pres_terminate(uapres->sub, PJ_FALSE);
 	}
 
 	uapres = next;
@@ -1376,7 +1384,7 @@
     pj_list_init(&acc->pres_srv_list);
 
     /* Terminate presence publication, if any */
-    pjsua_pres_unpublish(acc);
+    pjsua_pres_unpublish(acc, flags);
 }
 
 
@@ -2251,6 +2259,10 @@
     for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.acc); ++i) {
 	pjsua_acc *acc = &pjsua_var.acc[i];
 
+	/* Acc may not be ready yet, otherwise assertion will happen */
+	if (!pjsua_acc_is_valid(i))
+	    continue;
+
 	/* Retry PUBLISH */
 	if (acc->cfg.publish_enabled && acc->publish_sess==NULL)
 	    pjsua_pres_init_publish_acc(acc->index);
@@ -2324,7 +2336,7 @@
 /*
  * Shutdown presence.
  */
-void pjsua_pres_shutdown(void)
+void pjsua_pres_shutdown(unsigned flags)
 {
     unsigned i;
 
@@ -2339,18 +2351,20 @@
     for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.acc); ++i) {
 	if (!pjsua_var.acc[i].valid)
 	    continue;
-	pjsua_pres_delete_acc(i);
+	pjsua_pres_delete_acc(i, flags);
     }
 
     for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.buddy); ++i) {
 	pjsua_var.buddy[i].monitor = 0;
     }
 
-    refresh_client_subscriptions();
+    if ((flags & PJSUA_DESTROY_NO_TX_MSG) == 0) {
+	refresh_client_subscriptions();
 
-    for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.acc); ++i) {
-	if (pjsua_var.acc[i].valid)
-	    pjsua_pres_update_acc(i, PJ_FALSE);
+	for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.acc); ++i) {
+	    if (pjsua_var.acc[i].valid)
+		pjsua_pres_update_acc(i, PJ_FALSE);
+	}
     }
 
     pj_log_pop_indent();
diff --git a/tests/pjsua/scripts-sipp/uas-forked-100rel.xml b/tests/pjsua/scripts-sipp/uas-forked-100rel.xml
new file mode 100644
index 0000000..c2f2044
--- /dev/null
+++ b/tests/pjsua/scripts-sipp/uas-forked-100rel.xml
@@ -0,0 +1,225 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
+<!DOCTYPE scenario SYSTEM "sipp.dtd">
+
+<!-- This program is free software; you can redistribute it and/or      -->
+<!-- modify it under the terms of the GNU General Public License as     -->
+<!-- published by the Free Software Foundation; either version 2 of the -->
+<!-- License, or (at your option) any later version.                    -->
+<!--                                                                    -->
+<!-- This program is distributed in the hope that it will be useful,    -->
+<!-- but WITHOUT ANY WARRANTY; without even the implied warranty of     -->
+<!-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the      -->
+<!-- GNU General Public License for more details.                       -->
+<!--                                                                    -->
+<!-- You should have received a copy of the GNU General Public License  -->
+<!-- along with this program; if not, write to the                      -->
+<!-- Free Software Foundation, Inc.,                                    -->
+<!-- 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA             -->
+<!--                                                                    -->
+<!--                 Sipp default 'uas' scenario.                       -->
+<!--                                                                    -->
+
+<scenario name="Forked INVITE, one of them require PRACK">
+  <recv request="INVITE" crlf="true">
+   <action>
+    <ereg regexp="branch=([0-9a-zA-Z\-]*)"
+          search_in="hdr"
+	  header="Via"
+          assign_to="1,2"/>
+    <assign assign_to="1" variable="2"/>
+    <ereg regexp="CSeq: [ 0-9A-Z]+"
+          search_in="msg"
+          assign_to="4"/>
+    </action>
+  </recv>
+
+  <send>
+    <![CDATA[
+      SIP/2.0 100 Trying
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [$4]
+    ]]>
+  </send>
+
+  <!-- Call leg 1 sends 180/Ringing -->
+  <send retrans="500">
+    <![CDATA[
+      SIP/2.0 180 Ringing1
+      Via: SIP/2.0/UDP 127.0.0.1;received=127.0.0.1;branch=[$2]
+      [last_From:]
+      [last_To:];tag=UA_1
+      [last_Call-ID:]
+      [$4]
+      Contact: <sip:UA_1@[local_ip]:[local_port]>
+      Require: 100rel
+      RSeq: 1000
+      Content-Length: 0
+    ]]>
+  </send>
+
+  <recv request="PRACK" crlf="true">
+  </recv>
+
+  <send>
+    <![CDATA[
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [last_CSeq:]
+    ]]>
+  </send>
+
+
+  <pause milliseconds="2000" />
+
+  <!-- Call leg 2: 180/Ringing -->
+  <send retrans="500">
+    <![CDATA[
+      SIP/2.0 180 Ringing2
+      Via: SIP/2.0/UDP 127.0.0.1;received=127.0.0.1;branch=[$2]
+      [last_From:]
+      [last_To:];tag=UA_2
+      [last_Call-ID:]
+      [$4]
+      Contact: <sip:UA_2@[local_ip]:[local_port]>
+      Require: 100rel
+      RSeq: 2000
+      Content-Length: 0
+    ]]>
+  </send>
+
+  <recv request="PRACK" crlf="true">
+  </recv>
+
+  <send>
+    <![CDATA[
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [last_CSeq:]
+    ]]>
+  </send>
+
+
+  <pause milliseconds="2000" />
+
+  <!-- Call leg 2: sends Ringing again with correct RSeq -->
+  <send retrans="500">
+    <![CDATA[
+      SIP/2.0 180 Ringing2b
+      Via: SIP/2.0/UDP 127.0.0.1;received=127.0.0.1;branch=[$2]
+      [last_From:]
+      [last_To:];tag=UA_2
+      [last_Call-ID:]
+      [$4]
+      Contact: <sip:UA_2@[local_ip]:[local_port]>
+      Require: 100rel
+      RSeq: 2001
+      Content-Length: 0
+    ]]>
+  </send>
+
+  <recv request="PRACK" crlf="true">
+  </recv>
+
+  <send>
+    <![CDATA[
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [last_CSeq:]
+    ]]>
+  </send>
+
+
+  <pause milliseconds="2000" />
+
+  <!-- Call leg 2: sends Ringing again with WRONG RSeq. There should be no PRACK -->
+  <send>
+    <![CDATA[
+      SIP/2.0 180 Ringing2c
+      Via: SIP/2.0/UDP 127.0.0.1;received=127.0.0.1;branch=[$2]
+      [last_From:]
+      [last_To:];tag=UA_2
+      [last_Call-ID:]
+      [$4]
+      Contact: <sip:UA_2@[local_ip]:[local_port]>
+      Require: 100rel
+      RSeq: 2004
+      Content-Length: 0
+    ]]>
+  </send>
+
+  <pause milliseconds="2000" />
+
+  <!-- Then Call leg 1 sends 180/Ringing again -->
+  <send retrans="500">
+    <![CDATA[
+      SIP/2.0 180 Ringing1b
+      Via: SIP/2.0/UDP 127.0.0.1;received=127.0.0.1;branch=[$2]
+      [last_From:]
+      [last_To:];tag=UA_1
+      [last_Call-ID:]
+      [$4]
+      Contact: <sip:UA_1@[local_ip]:[local_port]>
+      Require: 100rel
+      RSeq: 1001
+      Content-Length: 0
+    ]]>
+  </send>
+
+  <recv request="PRACK" crlf="true">
+  </recv>
+
+  <send>
+    <![CDATA[
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [last_CSeq:]
+    ]]>
+  </send>
+
+
+  <pause milliseconds="2000" />
+
+  <!-- 603/Decline -->
+  <send>
+    <![CDATA[
+      SIP/2.0 603 Decline
+      Via: SIP/2.0/UDP 127.0.0.1;received=127.0.0.1;rport=5080;branch=[$2]
+      [last_From:]
+      [last_To:];tag=UA_1
+      [last_Call-ID:]
+      [$4]
+      Content-Length: 0
+    ]]>
+  </send>
+
+
+  <!-- Receive ACK -->
+  <recv request="ACK"
+        optional="false"
+        rtd="true"
+        crlf="true">
+  </recv>
+
+  <!-- definition of the response time repartition table (unit is ms)   -->
+  <ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200"/>
+
+  <!-- definition of the call length repartition table (unit is ms)     -->
+  <CallLengthRepartition value="10, 50, 100, 500, 1000, 5000, 10000"/>
+
+</scenario>
+