| # pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- |
| # |
| # Copyright © 2004 Scott James Remnant <scott@netsplit.com>. |
| # |
| # 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. |
| # |
| # As a special exception to the GNU General Public License, if you |
| # distribute this file as part of a program that contains a |
| # configuration script generated by Autoconf, you may include it under |
| # the same distribution terms that you use for the rest of that program. |
| |
| # PKG_PROG_PKG_CONFIG([MIN-VERSION]) |
| # ---------------------------------- |
| AC_DEFUN([PKG_PROG_PKG_CONFIG], |
| [m4_pattern_forbid([^_?PKG_[A-Z_]+$]) |
| m4_pattern_allow([^PKG_CONFIG(_PATH)?$]) |
| AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl |
| if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then |
| AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) |
| fi |
| if test -n "$PKG_CONFIG"; then |
| _pkg_min_version=m4_default([$1], [0.9.0]) |
| AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) |
| if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then |
| AC_MSG_RESULT([yes]) |
| else |
| AC_MSG_RESULT([no]) |
| PKG_CONFIG="" |
| fi |
| |
| fi[]dnl |
| ])# PKG_PROG_PKG_CONFIG |
| |
| # PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) |
| # |
| # Check to see whether a particular set of modules exists. Similar |
| # to PKG_CHECK_MODULES(), but does not set variables or print errors. |
| # |
| # |
| # Similar to PKG_CHECK_MODULES, make sure that the first instance of |
| # this or PKG_CHECK_MODULES is called, or make sure to call |
| # PKG_CHECK_EXISTS manually |
| # -------------------------------------------------------------- |
| AC_DEFUN([PKG_CHECK_EXISTS], |
| [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl |
| if test -n "$PKG_CONFIG" && \ |
| AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then |
| m4_ifval([$2], [$2], [:]) |
| m4_ifvaln([$3], [else |
| $3])dnl |
| fi]) |
| |
| |
| # _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) |
| # --------------------------------------------- |
| m4_define([_PKG_CONFIG], |
| [if test -n "$$1"; then |
| pkg_cv_[]$1="$$1" |
| elif test -n "$PKG_CONFIG"; then |
| PKG_CHECK_EXISTS([$3], |
| [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`], |
| [pkg_failed=yes]) |
| else |
| pkg_failed=untried |
| fi[]dnl |
| ])# _PKG_CONFIG |
| |
| # _PKG_SHORT_ERRORS_SUPPORTED |
| # ----------------------------- |
| AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], |
| [AC_REQUIRE([PKG_PROG_PKG_CONFIG]) |
| if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then |
| _pkg_short_errors_supported=yes |
| else |
| _pkg_short_errors_supported=no |
| fi[]dnl |
| ])# _PKG_SHORT_ERRORS_SUPPORTED |
| |
| |
| # PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], |
| # [ACTION-IF-NOT-FOUND]) |
| # |
| # |
| # Note that if there is a possibility the first call to |
| # PKG_CHECK_MODULES might not happen, you should be sure to include an |
| # explicit call to PKG_PROG_PKG_CONFIG in your configure.ac |
| # |
| # |
| # -------------------------------------------------------------- |
| AC_DEFUN([PKG_CHECK_MODULES], |
| [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl |
| AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl |
| AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl |
| |
| pkg_failed=no |
| AC_MSG_CHECKING([for $1]) |
| |
| _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) |
| _PKG_CONFIG([$1][_LIBS], [libs], [$2]) |
| |
| m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS |
| and $1[]_LIBS to avoid the need to call pkg-config. |
| See the pkg-config man page for more details.]) |
| |
| if test $pkg_failed = yes; then |
| _PKG_SHORT_ERRORS_SUPPORTED |
| if test $_pkg_short_errors_supported = yes; then |
| $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "$2" 2>&1` |
| else |
| $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors "$2" 2>&1` |
| fi |
| # Put the nasty error message in config.log where it belongs |
| echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD |
| |
| ifelse([$4], , [AC_MSG_ERROR(dnl |
| [Package requirements ($2) were not met: |
| |
| $$1_PKG_ERRORS |
| |
| Consider adjusting the PKG_CONFIG_PATH environment variable if you |
| installed software in a non-standard prefix. |
| |
| _PKG_TEXT |
| ])], |
| [AC_MSG_RESULT([no]) |
| $4]) |
| elif test $pkg_failed = untried; then |
| ifelse([$4], , [AC_MSG_FAILURE(dnl |
| [The pkg-config script could not be found or is too old. Make sure it |
| is in your PATH or set the PKG_CONFIG environment variable to the full |
| path to pkg-config. |
| |
| _PKG_TEXT |
| |
| To get pkg-config, see <http://pkg-config.freedesktop.org/>.])], |
| [$4]) |
| else |
| $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS |
| $1[]_LIBS=$pkg_cv_[]$1[]_LIBS |
| AC_MSG_RESULT([yes]) |
| ifelse([$3], , :, [$3]) |
| fi[]dnl |
| ])# PKG_CHECK_MODULES |
| |
| |
| |
| dnl a macro to check for ability to create python extensions |
| dnl AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE]) |
| dnl function also defines PYTHON_INCLUDES |
| AC_DEFUN([AM_CHECK_PYTHON_HEADERS], |
| [AC_REQUIRE([AM_PATH_PYTHON]) |
| AC_MSG_CHECKING(for headers required to compile python extensions) |
| dnl deduce PYTHON_INCLUDES |
| py_prefix=`$PYTHON -c "import sys; print sys.prefix"` |
| py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"` |
| PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}" |
| if test "$py_prefix" != "$py_exec_prefix"; then |
| PYTHON_INCLUDES="$PYTHON_INCLUDES -I${py_exec_prefix}/include/python${PYTHON_VERSION}" |
| fi |
| AC_SUBST(PYTHON_INCLUDES) |
| dnl check if the headers exist: |
| save_CPPFLAGS="$CPPFLAGS" |
| CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES" |
| AC_TRY_CPP([#include <Python.h>],dnl |
| [AC_MSG_RESULT(found) |
| $1],dnl |
| [AC_MSG_RESULT(not found) |
| $2]) |
| CPPFLAGS="$save_CPPFLAGS" |
| ]) |
| |
| |
| dnl as-ac-expand.m4 0.2.0 -*- autoconf -*- |
| dnl autostars m4 macro for expanding directories using configure's prefix |
| |
| dnl (C) 2003, 2004, 2005 Thomas Vander Stichele <thomas at apestaart dot org> |
| |
| dnl Copying and distribution of this file, with or without modification, |
| dnl are permitted in any medium without royalty provided the copyright |
| dnl notice and this notice are preserved. |
| |
| dnl AS_AC_EXPAND(VAR, CONFIGURE_VAR) |
| |
| dnl example: |
| dnl AS_AC_EXPAND(SYSCONFDIR, $sysconfdir) |
| dnl will set SYSCONFDIR to /usr/local/etc if prefix=/usr/local |
| |
| AC_DEFUN([AS_AC_EXPAND], |
| [ |
| EXP_VAR=[$1] |
| FROM_VAR=[$2] |
| |
| dnl first expand prefix and exec_prefix if necessary |
| prefix_save=$prefix |
| exec_prefix_save=$exec_prefix |
| |
| dnl if no prefix given, then use /usr/local, the default prefix |
| if test "x$prefix" = "xNONE"; then |
| prefix="$ac_default_prefix" |
| fi |
| dnl if no exec_prefix given, then use prefix |
| if test "x$exec_prefix" = "xNONE"; then |
| exec_prefix=$prefix |
| fi |
| |
| full_var="$FROM_VAR" |
| dnl loop until it doesn't change anymore |
| while true; do |
| new_full_var="`eval echo $full_var`" |
| if test "x$new_full_var" = "x$full_var"; then break; fi |
| full_var=$new_full_var |
| done |
| |
| dnl clean up |
| full_var=$new_full_var |
| AC_SUBST([$1], "$full_var") |
| |
| dnl restore prefix and exec_prefix |
| prefix=$prefix_save |
| exec_prefix=$exec_prefix_save |
| ]) |