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comparison src/libvorbis-1.3.3/vorbis.m4 @ 1:05aa0afa9217

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Bring in flac, ogg, vorbis
author Chris Cannam
date Tue, 19 Mar 2013 17:37:49 +0000
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0:c7265573341e 1:05aa0afa9217
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
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 ])