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Contents of /trunk/xmms/gentoo-m4/vorbis.m4

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Revision 153 - (show annotations) (download)
Tue May 8 20:52:56 2007 UTC (17 years ago) by niro
File size: 4356 byte(s)
-import

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