gstreamer/m4/libfame.m4

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dnl AM_PATH_LIBFAME([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
dnl Test for libfame, and define LIBFAME_CFLAGS and LIBFAME_LIBS
dnl Vivien Chappelier 12/11/00
dnl stolen from ORBit autoconf
dnl
AC_DEFUN([AM_PATH_LIBFAME],
[dnl
dnl Get the cflags and libraries from the libfame-config script
dnl
AC_ARG_WITH(libfame-prefix,[ --with-libfame-prefix=PFX Prefix where libfame is installed (optional)],
libfame_config_prefix="$withval", libfame_config_prefix="")
AC_ARG_WITH(libfame-exec-prefix,[ --with-libfame-exec-prefix=PFX Exec prefix where libfame is installed (optional)],
libfame_config_exec_prefix="$withval", libfame_config_exec_prefix="")
AC_ARG_ENABLE(libfametest, [ --disable-libfametest Do not try to compile and run a test libfame program],
, enable_libfametest=yes)
if test x$libfame_config_exec_prefix != x ; then
libfame_config_args="$libfame_config_args --exec-prefix=$libfame_config_exec_prefix"
if test x${LIBFAME_CONFIG+set} != xset ; then
LIBFAME_CONFIG=$libfame_config_exec_prefix/bin/libfame-config
fi
fi
if test x$libfame_config_prefix != x ; then
libfame_config_args="$libfame_config_args --prefix=$libfame_config_prefix"
if test x${LIBFAME_CONFIG+set} != xset ; then
LIBFAME_CONFIG=$libfame_config_prefix/bin/libfame-config
fi
fi
AC_PATH_PROG(LIBFAME_CONFIG, libfame-config, no)
min_libfame_version=ifelse([$1], , 0.9.0, $1)
AC_MSG_CHECKING(for libfame - version >= $min_libfame_version)
no_libfame=""
if test "$LIBFAME_CONFIG" = "no" ; then
no_libfame=yes
else
LIBFAME_CFLAGS=`$LIBFAME_CONFIG $libfame_config_args --cflags`
LIBFAME_LIBS=`$LIBFAME_CONFIG $libfame_config_args --libs`
libfame_config_major_version=`$LIBFAME_CONFIG $libfame_config_args --version | \
sed -e 's,[[^0-9.]],,g' -e 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
libfame_config_minor_version=`$LIBFAME_CONFIG $libfame_config_args --version | \
sed -e 's,[[^0-9.]],,g' -e 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
libfame_config_micro_version=`$LIBFAME_CONFIG $libfame_config_args --version | \
sed -e 's,[[^0-9.]],,g' -e 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
if test "x$enable_libfametest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $LIBFAME_CFLAGS"
LIBS="$LIBFAME_LIBS $LIBS"
dnl
dnl Now check if the installed LIBFAME is sufficiently new. (Also sanity
dnl checks the results of libfame-config to some extent
dnl
rm -f conf.libfametest
AC_TRY_RUN([
#include <fame.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int
main ()
{
int major, minor, micro;
char *tmp_version;
system ("touch conf.libfametest");
/* HP/UX 9 (%@#!) writes to sscanf strings */
tmp_version = strdup("$min_libfame_version");
if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
printf("%s, bad version string\n", "$min_libfame_version");
exit(1);
}
if ((libfame_major_version != $libfame_config_major_version) ||
(libfame_minor_version != $libfame_config_minor_version) ||
(libfame_micro_version != $libfame_config_micro_version))
{
printf("\n*** 'libfame-config --version' returned %d.%d.%d, but Libfame (%d.%d.%d)\n",
$libfame_config_major_version, $libfame_config_minor_version, $libfame_config_micro_version,
libfame_major_version, libfame_minor_version, libfame_micro_version);
printf ("*** was found! If libfame-config was correct, then it is best\n");
printf ("*** to remove the old version of libfame. 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 libfame-config was wrong, set the environment variable LIBFAME_CONFIG\n");
printf("*** to point to the correct copy of libfame-config, and remove the file config.cache\n");
printf("*** before re-running configure\n");
}
#if defined (LIBFAME_MAJOR_VERSION) && defined (LIBFAME_MINOR_VERSION) && defined (LIBFAME_MICRO_VERSION)
else if ((libfame_major_version != LIBFAME_MAJOR_VERSION) ||
(libfame_minor_version != LIBFAME_MINOR_VERSION) ||
(libfame_micro_version != LIBFAME_MICRO_VERSION))
{
printf("*** libfame header files (version %d.%d.%d) do not match\n",
LIBFAME_MAJOR_VERSION, LIBFAME_MINOR_VERSION, LIBFAME_MICRO_VERSION);
printf("*** library (version %d.%d.%d)\n",
libfame_major_version, libfame_minor_version, libfame_micro_version);
}
#endif /* defined (LIBFAME_MAJOR_VERSION) ... */
else
{
if ((libfame_major_version > major) ||
((libfame_major_version == major) && (libfame_minor_version > minor)) ||
((libfame_major_version == major) && (libfame_minor_version == minor) && (libfame_micro_version >= micro)))
{
return 0;
}
else
{
printf("\n*** An old version of libfame (%d.%d.%d) was found.\n",
libfame_major_version, libfame_minor_version, libfame_micro_version);
printf("*** You need a version of libfame newer than %d.%d.%d. The latest version of\n",
major, minor, micro);
printf("*** libfame is always available from http://www-eleves.enst-bretagne.fr/~chappeli/fame\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 libfame-config shell script is\n");
printf("*** being found. The easiest way to fix this is to remove the old version\n");
printf("*** of libfame, but you can also set the LIBFAME_CONFIG environment to point to the\n");
printf("*** correct copy of libfame-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_libfame=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
if test "x$no_libfame" = x ; then
AC_MSG_RESULT(yes)
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
if test "$LIBFAME_CONFIG" = "no" ; then
echo "*** The libfame-config script installed by libfame could not be found"
echo "*** If libfame was installed in PREFIX, make sure PREFIX/bin is in"
echo "*** your path, or set the LIBFAME_CONFIG environment variable to the"
echo "*** full path to libfame-config."
else
if test -f conf.libfametest ; then
:
else
echo "*** Could not run libfame test program, checking why..."
CFLAGS="$CFLAGS $LIBFAME_CFLAGS"
LIBS="$LIBS $LIBFAME_LIBS"
AC_TRY_LINK([
#include <fame.h>
#include <stdio.h>
], [ return ((libfame_major_version) || (libfame_minor_version) || (libfame_micro_version)); ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding libfame or finding the wrong"
echo "*** version of LIBFAME. If it is not finding libfame, 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 "***" ],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means libfame was incorrectly installed"
echo "*** or that you have moved libfame since it was installed. In the latter case, you"
echo "*** may want to edit the libfame-config script: $LIBFAME_CONFIG" ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
LIBFAME_CFLAGS=""
LIBFAME_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(LIBFAME_CFLAGS)
AC_SUBST(LIBFAME_LIBS)
rm -f conf.libfametest
])