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# ===========================================================================
# http://www.nongnu.org/autoconf-archive/ax_check_posix_sysinfo.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_CHECK_POSIX_SYSINFO
#
# DESCRIPTION
#
# Check that the POSIX compliant sysinfo(2) call works properly. Linux has
# its own weirdo alternative.
#
# LICENSE
#
# Copyright (c) 2008 Bruce Korb <bkorb@gnu.org>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
AU_ALIAS([AG_CHECK_POSIX_SYSINFO], [AX_CHECK_POSIX_SYSINFO])
AC_DEFUN([AX_CHECK_POSIX_SYSINFO],[
AC_MSG_CHECKING([whether sysinfo(2) is POSIX])
AC_CACHE_VAL([ax_cv_posix_sysinfo],[
AC_TRY_RUN([#include <sys/systeminfo.h>
int main() { char z[ 256 ];
long sz = sysinfo( SI_SYSNAME, z, sizeof( z ));
return (sz > 0) ? 0 : 1; }],[ax_cv_posix_sysinfo=yes],[ax_cv_posix_sysinfo=no],[ax_cv_posix_sysinfo=no]
) # end of TRY_RUN]) # end of CACHE_VAL
AC_MSG_RESULT([$ax_cv_posix_sysinfo])
if test x$ax_cv_posix_sysinfo = xyes
then
AC_DEFINE(HAVE_POSIX_SYSINFO, 1,
[Define this if sysinfo(2) is POSIX])
fi
]) # end of AC_DEFUN of AX_CHECK_POSIX_SYSINFO
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