blob: c9d2903b8bb6724f2e4f75baf6e8498905ec18e1 [file] [log] [blame]
dnl Copyright (C) 1999-2005 Open Source Telecom Corporation.
dnl Copyright (C) 2006-2010 David Sugar, Tycho Softworks.
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
dnl
dnl As a special exception to the GNU General Public License, if you
dnl distribute this file as part of a program that contains a configuration
dnl script generated by Autoconf, you may include it under the same
dnl distribution terms that you use for the rest of that program.
AC_DEFUN([OST_SYS_POSIX],[
AC_REQUIRE([OST_PROG_CC_POSIX])
AC_CACHE_CHECK(whether system meets Posix.1,
ost_cv_sys_posix1,
AC_TRY_COMPILE([
#include <sys/types.h>
#include <unistd.h>
],[
#ifndef _POSIX_VERSION
fatal
#endif
],
ost_cv_sys_posix1=yes,
ost_cv_sys_posix1=no
)
)
if test $ost_cv_sys_posix1 = no ; then
AC_CHECK_HEADERS(unistd.h)
else
AC_DEFINE(HAVE_UNISTD_H, [1], [have unix header])
fi
AC_CHECK_HEADERS(features.h)
AH_TOP([
/* hack for BROKEN autoheader, since it will not predicitably order
macros by any obvious means. */
#undef HAVE_UNISTD_H
#undef HAVE_FEATURES_H
#undef HAVE_SYS_TYPES_H
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifndef WIN32
#ifdef HAVE_FEATURES_H
#include <features.h>
#endif
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
])
])
AC_DEFUN([OST_CC_FCNTL],[
AC_REQUIRE([OST_SYS_POSIX])
AC_CHECK_HEADERS(fcntl.h sys/fcntl.h)
AH_BOTTOM([
#ifndef HAVE_FCNTL_H
#ifdef HAVE_SYS_FCNTL_H
#include <sys/fcntl.h>
#endif
#else
#include <fcntl.h>
#ifndef O_NDELAY
#ifdef HAVE_SYS_FCNTL_H
#include <sys/fcntl.h>
#endif
#endif
#endif
])
])