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dnl Configure paths for GStreamer
dnl This was based upon the glib.m4 created by Owen Taylor 97-11-3
dnl Changes mostly involve replacing GLIB with GStreamer
dnl
dnl Written by Thomas Nyberg <thomas.nyberg@codefactory.se> 2001-03-01
dnl AM_PATH_GSTREAMER([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for GStreamer, and define GSTREAMER_CFLAGS and GSTREAMER_LIBS
dnl
AC_DEFUN(AM_PATH_GSTREAMER,
[
dnl
dnl Get command-line stuff
dnl
AC_ARG_WITH(gstreamer-prefix,[ --with-gstreamer-prefix=PFX Prefix where GStreamer is installed (optional)],
gstreamer_config_prefix="$withval", gstreamer_config_prefix="")
AC_ARG_WITH(gstreamer-exec-prefix,[ --with-gstreamer-exec-prefix=PFX Exec prefix where GStreamer is installed (optional)],
gstreamer_config_exec_prefix="$withval", gstreamer_config_exec_prefix="")
AC_ARG_ENABLE(gstreamer-test, [ --disable-gstreamer-test Do not try and run a test GStreamer-program],
, enable_gstreamer_test=yes)
if test "x$gstreamer_config_prefix" != "x"; then
gstreamer_config_args="$gstreamer_config_args --prefix=$gstreamer_config_prefix" ;
if test "x${GSTREAMER_CONFIG+set}" != "xset" ; then
GSTREAMER_CONFIG="$gstreamer_config_prefix/bin/gstreamer-config"
fi
fi
if test "x$gstreamer_config_exec_prefix" != "x"; then
gstreamer_config_args="$gstreamer_config_args --exec-prefix=$gstreamer_config_exec_prefix" ;
if test "x${GSTREAMER_CONFIG+set}" != "xset" ; then
GSTREAMER_CONFIG="$gstreamer_config_exec_prefix/bin/gstreamer-config"
fi
fi
AC_PATH_PROG(GSTREAMER_CONFIG, gstreamer-config, no)
if test "x$1" == "x" ; then
min_gstreamer_version="0.0.1"
else
min_gstreamer_version="$1"
fi
dnl
dnl Check to make sure version wanted is better than the existing version
dnl
AC_MSG_CHECKING(for GStreamer-version >= $min_gstreamer_version)
no_gstreamer=""
if test "x$GSTREAMER_CONFIG" = "xno" ; then
no_gstreamer=yes
else
GSTREAMER_CFLAGS=`$GSTREAMER_CONFIG $gstreamer_config_args --cflags`
GSTREAMER_LIBS=`$GSTREAMER_CONFIG $gstreamer_config_args --libs`
gstreamer_config_major_version=`$GSTREAMER_CONFIG $gstreamer_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
gstreamer_config_minor_version=`$GSTREAMER_CONFIG $gstreamer_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
gstreamer_config_micro_version=`$GSTREAMER_CONFIG $gstreamer_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
if test "x$enable_gstreamer_test" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $GSTREAMER_CFLAGS"
LIBS="$GSTREAMER_LIBS $LIBS"
dnl
dnl Try and run a program linked with libs
dnl
AC_TRY_RUN([
#include <gst/gst.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int
main ()
{
int major, minor, micro;
char *tmp_version;
system("touch conf.gstreamertest");
tmp_version = strdup("$min_gstreamer_version");
if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
printf("%s, bad version string\n", "$min_gstreamer_version");
return 1;
}
if (($gstreamer_config_major_version > major) ||
(($gstreamer_config_major_version == major) && ($gstreamer_config_minor_version > minor)) ||
(($gstreamer_config_major_version == major) && ($gstreamer_config_minor_version == minor) &&
($gstreamer_config_micro_version >= micro))) {
return 0;
} else {
printf("\n*** An old version of GStreamer(%d.%d.%d) was found.\n",
$gstreamer_config_major_version, $gstreamer_config_minor_version,
$gstreamer_config_micro_version);
printf("*** You need a version of GStreamer newer than %d.%d.%d.\n", major, minor, micro);
}
return 1;
}
],, no_gstreamer=yes, [echo $ac_n "cross compiling; assuming OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
if test "x$no_gstreamer" = "x" ; then
AC_MSG_RESULT(yes)
ifelse([$2], , :, [$2])
else
dnl
dnl Something went wrong, looks like GStreamer was not found
dnl
if test "$GSTREAMER_CONFIG" = "no" ; then
echo "*** The gstreamer-config script installed by GStreamer could not be found"
echo "*** If GStreamer was installed in PREFIX, make sure PREFIX/bin is in"
echo "*** your path, or set the GSTREAMER_CONFIG environment variable to the"
echo "*** full path to gstreamer-config."
else
if test -f conf.gstreamertest ; then
:
else
echo "*** Could not run GStreamer test program, checking why..."
CFLAGS="$CFLAGS $GSTREAMER_CFLAGS"
LIBS="$LIBS $GSTREAMER_LIBS"
AC_TRY_LINK([
#include <gst/gst.h>
#include <stdio.h>
],
[
gst_init(NULL, NULL);
return 0;
],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding GStreamer or finding the wrong"
echo "*** version of GStreamer. If it is not finding GStreamer, 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 GStreamer was incorrectly installed"
echo "*** or that you have moved GStreamer since it was installed. In the latter case, you"
echo "*** may want to edit the gstremaer-config script: $GSTREAMER_CONFIG" ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
GSTREAMER_CFLAGS=""
GSTREAMER_LIBS=""
ifelse([$3], , :, [$3])
fi
dnl
dnl Define our flags and libs
dnl
AC_SUBST(GSTREAMER_CFLAGS)
AC_SUBST(GSTREAMER_LIBS)
rm -f conf.gstreamertest
])
|
