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# Configure paths for libvorbis
# Jack Moffitt <jack@icecast.org> 10-21-2000
# Shamelessly stolen from Owen Taylor and Manish Singh
# thomasvs added check for vorbis_bitrate_addblock which is new in rc3
# thomasvs added check for OV_ECTL_RATEMANAGE_SET which is new in 1.0 final
dnl XIPH_PATH_VORBIS([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libvorbis, and define VORBIS_CFLAGS and VORBIS_LIBS
dnl
AC_DEFUN(XIPH_PATH_VORBIS,
[dnl
dnl Get the cflags and libraries
dnl
AC_ARG_WITH(vorbis,[ --with-vorbis=PFX Prefix where libvorbis is installed (optional)], vorbis_prefix="$withval", vorbis_prefix="")
AC_ARG_WITH(vorbis-libraries,[ --with-vorbis-libraries=DIR Directory where libvorbis library is installed (optional)], vorbis_libraries="$withval", vorbis_libraries="")
AC_ARG_WITH(vorbis-includes,[ --with-vorbis-includes=DIR Directory where libvorbis header files are installed (optional)], vorbis_includes="$withval", vorbis_includes="")
AC_ARG_ENABLE(vorbistest, [ --disable-vorbistest Do not try to compile and run a test Vorbis program],, enable_vorbistest=yes)
if test "x$vorbis_libraries" != "x" ; then
VORBIS_LIBS="-L$vorbis_libraries"
elif test "x$vorbis_prefix" != "x" ; then
VORBIS_LIBS="-L$vorbis_prefix/lib"
elif test "x$prefix" != "xNONE"; then
VORBIS_LIBS="-L$prefix/lib"
fi
VORBIS_LIBS="$VORBIS_LIBS -lvorbis -lm"
VORBISFILE_LIBS="-lvorbisfile"
VORBISENC_LIBS="-lvorbisenc"
if test "x$vorbis_includes" != "x" ; then
VORBIS_CFLAGS="-I$vorbis_includes"
elif test "x$vorbis_prefix" != "x" ; then
VORBIS_CFLAGS="-I$vorbis_prefix/include"
elif test "x$prefix" != "xNONE"; then
VORBIS_CFLAGS="-I$prefix/include"
fi
AC_MSG_CHECKING(for Vorbis)
no_vorbis=""
if test "x$enable_vorbistest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $VORBIS_CFLAGS $OGG_CFLAGS"
LIBS="$LIBS $VORBIS_LIBS $VORBISENC_LIBS $OGG_LIBS"
dnl
dnl Now check if the installed Vorbis is sufficiently new.
dnl
rm -f conf.vorbistest
AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vorbis/codec.h>
#include <vorbis/vorbisenc.h>
int main ()
{
vorbis_block vb;
vorbis_dsp_state vd;
vorbis_info vi;
vorbis_info_init (&vi);
vorbis_encode_init (&vi, 2, 44100, -1, 128000, -1);
vorbis_analysis_init (&vd, &vi);
vorbis_block_init (&vd, &vb);
/* this function was added in 1.0rc3, so this is what we're testing for */
vorbis_bitrate_addblock (&vb);
/* this define was added in 1.0 final */
#ifdef OV_ECTL_RATEMANAGE_SET
system("touch conf.vorbistest");
return 0;
#else
return -1;
#endif
}
],, no_vorbis=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
if test "x$no_vorbis" = "x" ; then
AC_MSG_RESULT(yes)
ifelse([$1], , :, [$1])
else
AC_MSG_RESULT(no)
if test -f conf.vorbistest ; then
:
else
echo "*** Could not run Vorbis test program, checking why..."
CFLAGS="$CFLAGS $VORBIS_CFLAGS"
LIBS="$LIBS $VORBIS_LIBS $OGG_LIBS"
AC_TRY_LINK([
#include <stdio.h>
#include <vorbis/codec.h>
], [ return 0; ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding Vorbis or finding the wrong"
echo "*** version of Vorbis. If it is not finding Vorbis, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means Vorbis was incorrectly installed"
echo "*** or that you have moved Vorbis since it was installed." ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
VORBIS_CFLAGS=""
VORBIS_LIBS=""
VORBISFILE_LIBS=""
VORBISENC_LIBS=""
ifelse([$2], , :, [$2])
fi
AC_SUBST(VORBIS_CFLAGS)
AC_SUBST(VORBIS_LIBS)
AC_SUBST(VORBISFILE_LIBS)
AC_SUBST(VORBISENC_LIBS)
rm -f conf.vorbistest
])
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