Gregory Maxwell | 6e2dd16 | 2012-08-30 12:26:34 -0400 | [diff] [blame] | 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 $OPUS_LIBS" |
| 91 | AC_TRY_LINK([ |
| 92 | #include <stdio.h> |
| 93 | #include <opus.h> |
| 94 | ], [ return 0; ], |
| 95 | [ echo "*** The test program compiled, but did not run. This usually means" |
| 96 | echo "*** that the run-time linker is not finding Opus or finding the wrong" |
| 97 | echo "*** version of Opus. If it is not finding Opus, you'll need to set your" |
| 98 | echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" |
| 99 | echo "*** to the installed location Also, make sure you have run ldconfig if that" |
| 100 | echo "*** is required on your system" |
| 101 | echo "***" |
| 102 | echo "*** If you have an old version installed, it is best to remove it, although" |
| 103 | echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], |
| 104 | [ echo "*** The test program failed to compile or link. See the file config.log for the" |
Philip Jägenstedt | 6d9c16d | 2012-09-27 13:28:32 +0200 | [diff] [blame] | 105 | echo "*** exact error that occurred. This usually means Opus was incorrectly installed" |
Gregory Maxwell | 6e2dd16 | 2012-08-30 12:26:34 -0400 | [diff] [blame] | 106 | echo "*** or that you have moved Opus since it was installed." ]) |
| 107 | CFLAGS="$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 | ]) |