Contents of /trunk/xmms/gentoo-m4/vorbis.m4
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Tue May 8 20:52:56 2007 UTC (17 years, 4 months ago) by niro
File size: 4356 byte(s)
Tue May 8 20:52:56 2007 UTC (17 years, 4 months 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 | ]) |