1 # Configure paths for libvorbis 2 # Jack Moffitt <jack (a] 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 6 dnl XIPH_PATH_VORBIS([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) 7 dnl Test for libvorbis, and define VORBIS_CFLAGS and VORBIS_LIBS 8 dnl 9 AC_DEFUN([XIPH_PATH_VORBIS], 10 [dnl 11 dnl Get the cflags and libraries 12 dnl 13 AC_ARG_WITH(vorbis,AC_HELP_STRING([--with-vorbis=PFX],[Prefix where libvorbis is installed (optional)]), vorbis_prefix="$withval", vorbis_prefix="") 14 AC_ARG_WITH(vorbis-libraries,AC_HELP_STRING([--with-vorbis-libraries=DIR],[Directory where libvorbis library is installed (optional)]), vorbis_libraries="$withval", vorbis_libraries="") 15 AC_ARG_WITH(vorbis-includes,AC_HELP_STRING([--with-vorbis-includes=DIR],[Directory where libvorbis header files are installed (optional)]), vorbis_includes="$withval", vorbis_includes="") 16 AC_ARG_ENABLE(vorbistest,AC_HELP_STRING([--disable-vorbistest],[Do not try to compile and run a test Vorbis program]),, enable_vorbistest=yes) 17 18 if test "x$vorbis_libraries" != "x" ; then 19 VORBIS_LIBS="-L$vorbis_libraries" 20 elif test "x$vorbis_prefix" = "xno" || test "x$vorbis_prefix" = "xyes" ; then 21 VORBIS_LIBS="" 22 elif test "x$vorbis_prefix" != "x" ; then 23 VORBIS_LIBS="-L$vorbis_prefix/lib" 24 elif test "x$prefix" != "xNONE"; then 25 VORBIS_LIBS="-L$prefix/lib" 26 fi 27 28 if test "x$vorbis_prefix" != "xno" ; then 29 VORBIS_LIBS="$VORBIS_LIBS -lvorbis -lm" 30 fi 31 VORBISFILE_LIBS="-lvorbisfile" 32 VORBISENC_LIBS="-lvorbisenc" 33 34 if test "x$vorbis_includes" != "x" ; then 35 VORBIS_CFLAGS="-I$vorbis_includes" 36 elif test "x$vorbis_prefix" = "xno" || test "x$vorbis_prefix" = "xyes" ; then 37 VORBIS_CFLAGS="" 38 elif test "x$vorbis_prefix" != "x" ; then 39 VORBIS_CFLAGS="-I$vorbis_prefix/include" 40 elif test "x$prefix" != "xNONE"; then 41 VORBIS_CFLAGS="-I$prefix/include" 42 fi 43 44 45 AC_MSG_CHECKING(for Vorbis) 46 if test "x$vorbis_prefix" = "xno" ; then 47 no_vorbis="disabled" 48 enable_vorbistest="no" 49 else 50 no_vorbis="" 51 fi 52 53 54 if test "x$enable_vorbistest" = "xyes" ; then 55 ac_save_CFLAGS="$CFLAGS" 56 ac_save_LIBS="$LIBS" 57 CFLAGS="$CFLAGS $VORBIS_CFLAGS $OGG_CFLAGS" 58 LIBS="$LIBS $VORBIS_LIBS $VORBISENC_LIBS $OGG_LIBS" 59 dnl 60 dnl Now check if the installed Vorbis is sufficiently new. 61 dnl 62 rm -f conf.vorbistest 63 AC_TRY_RUN([ 64 #include <stdio.h> 65 #include <stdlib.h> 66 #include <string.h> 67 #include <vorbis/codec.h> 68 #include <vorbis/vorbisenc.h> 69 70 int main () 71 { 72 vorbis_block vb; 73 vorbis_dsp_state vd; 74 vorbis_info vi; 75 76 vorbis_info_init (&vi); 77 vorbis_encode_init (&vi, 2, 44100, -1, 128000, -1); 78 vorbis_analysis_init (&vd, &vi); 79 vorbis_block_init (&vd, &vb); 80 /* this function was added in 1.0rc3, so this is what we're testing for */ 81 vorbis_bitrate_addblock (&vb); 82 83 system("touch conf.vorbistest"); 84 return 0; 85 } 86 87 ],, no_vorbis=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) 88 CFLAGS="$ac_save_CFLAGS" 89 LIBS="$ac_save_LIBS" 90 fi 91 92 if test "x$no_vorbis" = "xdisabled" ; then 93 AC_MSG_RESULT(no) 94 ifelse([$2], , :, [$2]) 95 elif test "x$no_vorbis" = "x" ; then 96 AC_MSG_RESULT(yes) 97 ifelse([$1], , :, [$1]) 98 else 99 AC_MSG_RESULT(no) 100 if test -f conf.vorbistest ; then 101 : 102 else 103 echo "*** Could not run Vorbis test program, checking why..." 104 CFLAGS="$CFLAGS $VORBIS_CFLAGS" 105 LIBS="$LIBS $VORBIS_LIBS $OGG_LIBS" 106 AC_TRY_LINK([ 107 #include <stdio.h> 108 #include <vorbis/codec.h> 109 ], [ return 0; ], 110 [ echo "*** The test program compiled, but did not run. This usually means" 111 echo "*** that the run-time linker is not finding Vorbis or finding the wrong" 112 echo "*** version of Vorbis. If it is not finding Vorbis, you'll need to set your" 113 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" 114 echo "*** to the installed location Also, make sure you have run ldconfig if that" 115 echo "*** is required on your system" 116 echo "***" 117 echo "*** If you have an old version installed, it is best to remove it, although" 118 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], 119 [ echo "*** The test program failed to compile or link. See the file config.log for the" 120 echo "*** exact error that occured. This usually means Vorbis was incorrectly installed" 121 echo "*** or that you have moved Vorbis since it was installed." ]) 122 CFLAGS="$ac_save_CFLAGS" 123 LIBS="$ac_save_LIBS" 124 fi 125 VORBIS_CFLAGS="" 126 VORBIS_LIBS="" 127 VORBISFILE_LIBS="" 128 VORBISENC_LIBS="" 129 ifelse([$2], , :, [$2]) 130 fi 131 AC_SUBST(VORBIS_CFLAGS) 132 AC_SUBST(VORBIS_LIBS) 133 AC_SUBST(VORBISFILE_LIBS) 134 AC_SUBST(VORBISENC_LIBS) 135 rm -f conf.vorbistest 136 ]) 137
