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Diffstat (limited to '')
| -rw-r--r-- | m4/vorbis.m4 | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/m4/vorbis.m4 b/m4/vorbis.m4 new file mode 100644 index 000000000..d311a410a --- /dev/null +++ b/m4/vorbis.m4 @@ -0,0 +1,122 @@ +# 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 + +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); + + system("touch conf.vorbistest"); + return 0; +} + +],, 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 +]) |