# 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 ])