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# Configure paths for Gnet
# A hacked up version of Owen Taylor's glib-2.0.m4 (Copyright 1997-2001)
dnl AM_PATH_GNET_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
dnl Test for GNET, and define GNET_CFLAGS and GNET_LIBS, if gmodule, gobject or
dnl gthread is specified in MODULES, pass to pkg-config
dnl
AC_DEFUN([AM_PATH_GNET_2_0],
[dnl
dnl Get the cflags and libraries from pkg-config
dnl
AC_ARG_ENABLE(gnettest, [ --disable-gnettest do not try to compile and run a test GNET program],
, enable_gnettest=yes)
pkg_config_args=gnet-2.0
AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
no_gnet=""
if test x$PKG_CONFIG != xno ; then
if $PKG_CONFIG --atleast-pkgconfig-version 0.7 ; then
:
else
echo *** pkg-config too old; version 0.7 or better required.
no_gnet=yes
PKG_CONFIG=no
fi
else
no_gnet=yes
fi
min_gnet_version=ifelse([$1], , 2.0.0, $1)
AC_MSG_CHECKING(for GNET - version >= $min_gnet_version)
if test x$PKG_CONFIG != xno ; then
## don't try to run the test against uninstalled libtool libs
if $PKG_CONFIG --uninstalled $pkg_config_args; then
echo "Will use uninstalled version of GNet found in PKG_CONFIG_PATH"
enable_gnettest=no
fi
if $PKG_CONFIG --atleast-version $min_gnet_version $pkg_config_args; then
:
else
no_gnet=yes
fi
fi
if test x"$no_gnet" = x ; then
GNET_CFLAGS=`$PKG_CONFIG --cflags $pkg_config_args`
GNET_LIBS=`$PKG_CONFIG --libs $pkg_config_args`
gnet_config_major_version=`$PKG_CONFIG --modversion gnet-2.0 | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
gnet_config_minor_version=`$PKG_CONFIG --modversion gnet-2.0 | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
gnet_config_micro_version=`$PKG_CONFIG --modversion gnet-2.0 | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
if test "x$enable_gnettest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $GNET_CFLAGS"
LIBS="$GNET_LIBS $LIBS"
dnl
dnl Now check if the installed GNET is sufficiently new. (Also sanity
dnl checks the results of pkg-config to some extent)
dnl
rm -f conf.gnettest
AC_TRY_RUN([
#include <gnet.h>
#include <stdio.h>
#include <stdlib.h>
int
main ()
{
int major, minor, micro;
char *tmp_version;
system ("touch conf.gnettest");
/* HP/UX 9 (%@#!) writes to sscanf strings */
tmp_version = g_strdup("$min_gnet_version");
if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
printf("%s, bad version string\n", "$min_gnet_version");
exit(1);
}
if ((gnet_major_version != $gnet_config_major_version) ||
(gnet_minor_version != $gnet_config_minor_version) ||
(gnet_micro_version != $gnet_config_micro_version))
{
printf("\n*** 'pkg-config --modversion gnet-2.0' returned %d.%d.%d, but GNET (%d.%d.%d)\n",
$gnet_config_major_version, $gnet_config_minor_version, $gnet_config_micro_version,
gnet_major_version, gnet_minor_version, gnet_micro_version);
printf ("*** was found! If pkg-config was correct, then it is best\n");
printf ("*** to remove the old version of GNet. You may also be able to fix the error\n");
printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
printf("*** required on your system.\n");
printf("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n");
printf("*** to point to the correct configuration files\n");
}
else if ((gnet_major_version != GNET_MAJOR_VERSION) ||
(gnet_minor_version != GNET_MINOR_VERSION) ||
(gnet_micro_version != GNET_MICRO_VERSION))
{
printf("*** GNET header files (version %d.%d.%d) do not match\n",
GNET_MAJOR_VERSION, GNET_MINOR_VERSION, GNET_MICRO_VERSION);
printf("*** library (version %d.%d.%d)\n",
gnet_major_version, gnet_minor_version, gnet_micro_version);
}
else
{
if ((gnet_major_version > major) ||
((gnet_major_version == major) && (gnet_minor_version > minor)) ||
((gnet_major_version == major) && (gnet_minor_version == minor) && (gnet_micro_version >= micro)))
{
return 0;
}
else
{
printf("\n*** An old version of GNET (%d.%d.%d) was found.\n",
gnet_major_version, gnet_minor_version, gnet_micro_version);
printf("*** You need a version of GNET newer than %d.%d.%d. The latest version of\n",
major, minor, micro);
printf("*** GNET is always available from ftp://ftp.gtk.org.\n");
printf("***\n");
printf("*** If you have already installed a sufficiently new version, this error\n");
printf("*** probably means that the wrong copy of the pkg-config shell script is\n");
printf("*** being found. The easiest way to fix this is to remove the old version\n");
printf("*** of GNET, but you can also set the PKG_CONFIG environment to point to the\n");
printf("*** correct copy of pkg-config. (In this case, you will have to\n");
printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
printf("*** so that the correct libraries are found at run-time))\n");
}
}
return 1;
}
],, no_gnet=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
if test "x$no_gnet" = x ; then
AC_MSG_RESULT(yes (version $gnet_config_major_version.$gnet_config_minor_version.$gnet_config_micro_version))
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
if test "$PKG_CONFIG" = "no" ; then
echo "*** A new enough version of pkg-config was not found."
echo "*** See http://www.freedesktop.org/software/pkgconfig/"
else
if test -f conf.gnettest ; then
:
else
echo "*** Could not run GNET test program, checking why..."
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $GNET_CFLAGS"
LIBS="$LIBS $GNET_LIBS"
AC_TRY_LINK([
#include <gnet.h>
#include <stdio.h>
], [ return ((gnet_major_version) || (gnet_minor_version) || (gnet_micro_version)); ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding GNET or finding the wrong"
echo "*** version of GNET. If it is not finding GNET, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means GNET is incorrectly installed."])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
GNET_CFLAGS=""
GNET_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(GNET_CFLAGS)
AC_SUBST(GNET_LIBS)
rm -f conf.gnettest
])
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