1# Configure paths for libvorbis 2# Jack Moffitt <jack@icecast.org> 10-21-2000 3# Shamelessly stolen from Owen Taylor and Manish Singh 4# thomasvs added check for vorbis_bitrate_addblock which is new in rc3 5 6dnl XIPH_PATH_VORBIS([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) 7dnl Test for libvorbis, and define VORBIS_CFLAGS and VORBIS_LIBS 8dnl 9AC_DEFUN([XIPH_PATH_VORBIS], 10[dnl 11dnl Get the cflags and libraries 12dnl 13AC_ARG_WITH(vorbis, 14 AS_HELP_STRING([--with-vorbis=PFX], 15 [Prefix where libvorbis is installed (optional)]), 16 [vorbis_prefix="$withval"], [vorbis_prefix=""]) 17AC_ARG_WITH(vorbis-libraries, 18 AS_HELP_STRING([--with-vorbis-libraries=DIR], 19 [Directory where libvorbis library is installed (optional)]), 20 [vorbis_libraries="$withval"], [vorbis_libraries=""]) 21AC_ARG_WITH(vorbis-includes, 22 AS_HELP_STRING([--with-vorbis-includes=DIR], 23 [Directory where libvorbis header files are installed (optional)]), 24 [vorbis_includes="$withval"], [vorbis_includes=""]) 25AC_ARG_ENABLE(vorbistest, 26 AS_HELP_STRING([--disable-vorbistest], 27 [Do not try to compile and run a test Vorbis program]), 28 , [enable_vorbistest=yes]) 29 30 if test "x$vorbis_libraries" != "x" ; then 31 VORBIS_LIBS="-L$vorbis_libraries" 32 elif test "x$vorbis_prefix" != "x" ; then 33 VORBIS_LIBS="-L$vorbis_prefix/lib" 34 elif test "x$prefix" != "xNONE"; then 35 VORBIS_LIBS="-L$prefix/lib" 36 fi 37 38 VORBIS_LIBS="$VORBIS_LIBS -lvorbis -lm" 39 VORBISFILE_LIBS="-lvorbisfile" 40 VORBISENC_LIBS="-lvorbisenc" 41 42 if test "x$vorbis_includes" != "x" ; then 43 VORBIS_CFLAGS="-I$vorbis_includes" 44 elif test "x$vorbis_prefix" != "x" ; then 45 VORBIS_CFLAGS="-I$vorbis_prefix/include" 46 elif test "x$prefix" != "xNONE"; then 47 VORBIS_CFLAGS="-I$prefix/include" 48 fi 49 50 51 AC_MSG_CHECKING(for Vorbis) 52 no_vorbis="" 53 54 55 if test "x$enable_vorbistest" = "xyes" ; then 56 ac_save_CFLAGS="$CFLAGS" 57 ac_save_LIBS="$LIBS" 58 CFLAGS="$CFLAGS $VORBIS_CFLAGS $OGG_CFLAGS" 59 LIBS="$LIBS $VORBIS_LIBS $VORBISENC_LIBS $OGG_LIBS" 60dnl 61dnl Now check if the installed Vorbis is sufficiently new. 62dnl 63 rm -f conf.vorbistest 64 AC_TRY_RUN([ 65#include <stdio.h> 66#include <stdlib.h> 67#include <string.h> 68#include <vorbis/codec.h> 69#include <vorbis/vorbisenc.h> 70 71int main () 72{ 73 vorbis_block vb; 74 vorbis_dsp_state vd; 75 vorbis_info vi; 76 77 vorbis_info_init (&vi); 78 vorbis_encode_init (&vi, 2, 44100, -1, 128000, -1); 79 vorbis_analysis_init (&vd, &vi); 80 vorbis_block_init (&vd, &vb); 81 /* this function was added in 1.0rc3, so this is what we're testing for */ 82 vorbis_bitrate_addblock (&vb); 83 84 system("touch conf.vorbistest"); 85 return 0; 86} 87 88],, no_vorbis=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) 89 CFLAGS="$ac_save_CFLAGS" 90 LIBS="$ac_save_LIBS" 91 fi 92 93 if test "x$no_vorbis" = "x" ; then 94 AC_MSG_RESULT(yes) 95 ifelse([$1], , :, [$1]) 96 else 97 AC_MSG_RESULT(no) 98 if test -f conf.vorbistest ; then 99 : 100 else 101 echo "*** Could not run Vorbis test program, checking why..." 102 CFLAGS="$CFLAGS $VORBIS_CFLAGS" 103 LIBS="$LIBS $VORBIS_LIBS $OGG_LIBS" 104 AC_TRY_LINK([ 105#include <stdio.h> 106#include <vorbis/codec.h> 107], [ return 0; ], 108 [ echo "*** The test program compiled, but did not run. This usually means" 109 echo "*** that the run-time linker is not finding Vorbis or finding the wrong" 110 echo "*** version of Vorbis. If it is not finding Vorbis, you'll need to set your" 111 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" 112 echo "*** to the installed location Also, make sure you have run ldconfig if that" 113 echo "*** is required on your system" 114 echo "***" 115 echo "*** If you have an old version installed, it is best to remove it, although" 116 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], 117 [ echo "*** The test program failed to compile or link. See the file config.log for the" 118 echo "*** exact error that occured. This usually means Vorbis was incorrectly installed" 119 echo "*** or that you have moved Vorbis since it was installed." ]) 120 CFLAGS="$ac_save_CFLAGS" 121 LIBS="$ac_save_LIBS" 122 fi 123 VORBIS_CFLAGS="" 124 VORBIS_LIBS="" 125 VORBISFILE_LIBS="" 126 VORBISENC_LIBS="" 127 ifelse([$2], , :, [$2]) 128 fi 129 AC_SUBST(VORBIS_CFLAGS) 130 AC_SUBST(VORBIS_LIBS) 131 AC_SUBST(VORBISFILE_LIBS) 132 AC_SUBST(VORBISENC_LIBS) 133 rm -f conf.vorbistest 134]) 135