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# Configure paths for libxvidcore
# Tomas Kovar <tomask@mac.com> 03-31-2002
# Stolen from ogg.m4
dnl AM_PATH_XVID([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libxvidcore, and define XVID_CFLAGS and XVID_LIBS
dnl
AC_DEFUN([AM_PATH_XVID],
[dnl
dnl Get the cflags and libraries
dnl
AC_ARG_WITH(xvid-prefix, AC_HELP_STRING([--with-xvid-prefix=DIR], [prefix where XviD is installed (optional)]), xvid_prefix="$withval", xvid_prefix="")
AC_ARG_ENABLE(xvidtest, AC_HELP_STRING([--disable-xvidtest], [do not try to compile and run a test XviD program]), enable_xvidtest=$enableval, enable_xvidtest=yes)
if test x$xvid_prefix != x ; then
xvid_args="$xvid_args --prefix=$xvid_prefix"
XVID_CFLAGS="-I$xvid_prefix/include"
XVID_LIBS="-L$xvid_prefix/$XINE_LIBNAME"
fi
XVID_LIBS="$XVID_LIBS -lxvidcore"
AC_MSG_CHECKING(for XviD)
no_xvid=""
if test "x$enable_xvidtest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $XVID_CFLAGS"
LIBS="$LIBS $XVID_LIBS"
dnl
dnl Now check if the installed XviD is sufficiently new.
dnl
rm -f conf.xvidtest
AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <xvid.h>
int main ()
{
XVID_INIT_PARAM xinit;
system("touch conf.xvidtest");
xinit.cpu_flags = 0;
xvid_init(NULL, 0, &xinit, NULL);
if (xinit.api_version == API_VERSION) {
return 0;
} else {
printf ("Header file and library are out of sync. Header file supports\n"
"version %d.%d API and shared library supports version %d.%d API.\n",
API_VERSION >> 16, API_VERSION & 0xFFFF,
xinit.api_version >> 16, xinit.api_version & 0xFFFF);
return 1;
}
}
],, no_xvid=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
if test "x$no_xvid" = x ; then
AC_MSG_RESULT(yes)
ifelse([$1], , :, [$1])
else
AC_MSG_RESULT(no)
if test -f conf.xvidtest ; then
:
else
echo "*** Could not run XviD test program, checking why..."
CFLAGS="$CFLAGS $XVID_CFLAGS"
LIBS="$LIBS $XVID_LIBS"
AC_TRY_LINK([
#include <stdio.h>
#include <xvid.h>
], [ return 0; ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding XviD or finding the wrong"
echo "*** version of XviD. If it is not finding XviD, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means XviD was incorrectly installed." ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
XVID_CFLAGS=""
XVID_LIBS=""
ifelse([$2], , :, [$2])
fi
AC_SUBST(XVID_CFLAGS)
AC_SUBST(XVID_LIBS)
rm -f conf.xvidtest
])
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