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comparison src/opus-1.3/opus.m4 @ 69:7aeed7906520

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Add Opus sources and macOS builds
author Chris Cannam
date Wed, 23 Jan 2019 13:48:08 +0000
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68:85d5306e114e 69:7aeed7906520
1 # Configure paths for libopus
2 # Gregory Maxwell <greg@xiph.org> 08-30-2012
3 # Shamelessly stolen from Jack Moffitt (libogg) who
4 # Shamelessly stole from Owen Taylor and Manish Singh
5
6 dnl XIPH_PATH_OPUS([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
7 dnl Test for libopus, and define OPUS_CFLAGS and OPUS_LIBS
8 dnl
9 AC_DEFUN([XIPH_PATH_OPUS],
10 [dnl
11 dnl Get the cflags and libraries
12 dnl
13 AC_ARG_WITH(opus,AC_HELP_STRING([--with-opus=PFX],[Prefix where opus is installed (optional)]), opus_prefix="$withval", opus_prefix="")
14 AC_ARG_WITH(opus-libraries,AC_HELP_STRING([--with-opus-libraries=DIR],[Directory where the opus library is installed (optional)]), opus_libraries="$withval", opus_libraries="")
15 AC_ARG_WITH(opus-includes,AC_HELP_STRING([--with-opus-includes=DIR],[Directory where the opus header files are installed (optional)]), opus_includes="$withval", opus_includes="")
16 AC_ARG_ENABLE(opustest,AC_HELP_STRING([--disable-opustest],[Do not try to compile and run a test opus program]),, enable_opustest=yes)
17
18 if test "x$opus_libraries" != "x" ; then
19 OPUS_LIBS="-L$opus_libraries"
20 elif test "x$opus_prefix" = "xno" || test "x$opus_prefix" = "xyes" ; then
21 OPUS_LIBS=""
22 elif test "x$opus_prefix" != "x" ; then
23 OPUS_LIBS="-L$opus_prefix/lib"
24 elif test "x$prefix" != "xNONE" ; then
25 OPUS_LIBS="-L$prefix/lib"
26 fi
27
28 if test "x$opus_prefix" != "xno" ; then
29 OPUS_LIBS="$OPUS_LIBS -lopus"
30 fi
31
32 if test "x$opus_includes" != "x" ; then
33 OPUS_CFLAGS="-I$opus_includes"
34 elif test "x$opus_prefix" = "xno" || test "x$opus_prefix" = "xyes" ; then
35 OPUS_CFLAGS=""
36 elif test "x$opus_prefix" != "x" ; then
37 OPUS_CFLAGS="-I$opus_prefix/include"
38 elif test "x$prefix" != "xNONE"; then
39 OPUS_CFLAGS="-I$prefix/include"
40 fi
41
42 AC_MSG_CHECKING(for Opus)
43 if test "x$opus_prefix" = "xno" ; then
44 no_opus="disabled"
45 enable_opustest="no"
46 else
47 no_opus=""
48 fi
49
50
51 if test "x$enable_opustest" = "xyes" ; then
52 ac_save_CFLAGS="$CFLAGS"
53 ac_save_LIBS="$LIBS"
54 CFLAGS="$CFLAGS $OPUS_CFLAGS"
55 LIBS="$LIBS $OPUS_LIBS"
56 dnl
57 dnl Now check if the installed Opus is sufficiently new.
58 dnl
59 rm -f conf.opustest
60 AC_TRY_RUN([
61 #include <stdio.h>
62 #include <stdlib.h>
63 #include <string.h>
64 #include <opus.h>
65
66 int main ()
67 {
68 system("touch conf.opustest");
69 return 0;
70 }
71
72 ],, no_opus=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
73 CFLAGS="$ac_save_CFLAGS"
74 LIBS="$ac_save_LIBS"
75 fi
76
77 if test "x$no_opus" = "xdisabled" ; then
78 AC_MSG_RESULT(no)
79 ifelse([$2], , :, [$2])
80 elif test "x$no_opus" = "x" ; then
81 AC_MSG_RESULT(yes)
82 ifelse([$1], , :, [$1])
83 else
84 AC_MSG_RESULT(no)
85 if test -f conf.opustest ; then
86 :
87 else
88 echo "*** Could not run Opus test program, checking why..."
89 CFLAGS="$CFLAGS $OPUS_CFLAGS"
90 LIBS="$LIBS $OPUS_LIBS"
91 AC_TRY_LINK([
92 #include <stdio.h>
93 #include <opus.h>
94 ], [ return 0; ],
95 [ echo "*** The test program compiled, but did not run. This usually means"
96 echo "*** that the run-time linker is not finding Opus or finding the wrong"
97 echo "*** version of Opus. If it is not finding Opus, you'll need to set your"
98 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
99 echo "*** to the installed location Also, make sure you have run ldconfig if that"
100 echo "*** is required on your system"
101 echo "***"
102 echo "*** If you have an old version installed, it is best to remove it, although"
103 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
104 [ echo "*** The test program failed to compile or link. See the file config.log for the"
105 echo "*** exact error that occurred. This usually means Opus was incorrectly installed"
106 echo "*** or that you have moved Opus since it was installed." ])
107 CFLAGS="$ac_save_CFLAGS"
108 LIBS="$ac_save_LIBS"
109 fi
110 OPUS_CFLAGS=""
111 OPUS_LIBS=""
112 ifelse([$2], , :, [$2])
113 fi
114 AC_SUBST(OPUS_CFLAGS)
115 AC_SUBST(OPUS_LIBS)
116 rm -f conf.opustest
117 ])