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annotate src/opus-1.3/opus.m4 @ 73:02caadb7509e

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Rebuild with --disable-stack-protector for mingw32
author Chris Cannam
date Fri, 25 Jan 2019 14:31:07 +0000
parents 7aeed7906520
children
rev   line source
Chris@69 1 # Configure paths for libopus
Chris@69 2 # Gregory Maxwell <greg@xiph.org> 08-30-2012
Chris@69 3 # Shamelessly stolen from Jack Moffitt (libogg) who
Chris@69 4 # Shamelessly stole from Owen Taylor and Manish Singh
Chris@69 5
Chris@69 6 dnl XIPH_PATH_OPUS([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
Chris@69 7 dnl Test for libopus, and define OPUS_CFLAGS and OPUS_LIBS
Chris@69 8 dnl
Chris@69 9 AC_DEFUN([XIPH_PATH_OPUS],
Chris@69 10 [dnl
Chris@69 11 dnl Get the cflags and libraries
Chris@69 12 dnl
Chris@69 13 AC_ARG_WITH(opus,AC_HELP_STRING([--with-opus=PFX],[Prefix where opus is installed (optional)]), opus_prefix="$withval", opus_prefix="")
Chris@69 14 AC_ARG_WITH(opus-libraries,AC_HELP_STRING([--with-opus-libraries=DIR],[Directory where the opus library is installed (optional)]), opus_libraries="$withval", opus_libraries="")
Chris@69 15 AC_ARG_WITH(opus-includes,AC_HELP_STRING([--with-opus-includes=DIR],[Directory where the opus header files are installed (optional)]), opus_includes="$withval", opus_includes="")
Chris@69 16 AC_ARG_ENABLE(opustest,AC_HELP_STRING([--disable-opustest],[Do not try to compile and run a test opus program]),, enable_opustest=yes)
Chris@69 17
Chris@69 18 if test "x$opus_libraries" != "x" ; then
Chris@69 19 OPUS_LIBS="-L$opus_libraries"
Chris@69 20 elif test "x$opus_prefix" = "xno" || test "x$opus_prefix" = "xyes" ; then
Chris@69 21 OPUS_LIBS=""
Chris@69 22 elif test "x$opus_prefix" != "x" ; then
Chris@69 23 OPUS_LIBS="-L$opus_prefix/lib"
Chris@69 24 elif test "x$prefix" != "xNONE" ; then
Chris@69 25 OPUS_LIBS="-L$prefix/lib"
Chris@69 26 fi
Chris@69 27
Chris@69 28 if test "x$opus_prefix" != "xno" ; then
Chris@69 29 OPUS_LIBS="$OPUS_LIBS -lopus"
Chris@69 30 fi
Chris@69 31
Chris@69 32 if test "x$opus_includes" != "x" ; then
Chris@69 33 OPUS_CFLAGS="-I$opus_includes"
Chris@69 34 elif test "x$opus_prefix" = "xno" || test "x$opus_prefix" = "xyes" ; then
Chris@69 35 OPUS_CFLAGS=""
Chris@69 36 elif test "x$opus_prefix" != "x" ; then
Chris@69 37 OPUS_CFLAGS="-I$opus_prefix/include"
Chris@69 38 elif test "x$prefix" != "xNONE"; then
Chris@69 39 OPUS_CFLAGS="-I$prefix/include"
Chris@69 40 fi
Chris@69 41
Chris@69 42 AC_MSG_CHECKING(for Opus)
Chris@69 43 if test "x$opus_prefix" = "xno" ; then
Chris@69 44 no_opus="disabled"
Chris@69 45 enable_opustest="no"
Chris@69 46 else
Chris@69 47 no_opus=""
Chris@69 48 fi
Chris@69 49
Chris@69 50
Chris@69 51 if test "x$enable_opustest" = "xyes" ; then
Chris@69 52 ac_save_CFLAGS="$CFLAGS"
Chris@69 53 ac_save_LIBS="$LIBS"
Chris@69 54 CFLAGS="$CFLAGS $OPUS_CFLAGS"
Chris@69 55 LIBS="$LIBS $OPUS_LIBS"
Chris@69 56 dnl
Chris@69 57 dnl Now check if the installed Opus is sufficiently new.
Chris@69 58 dnl
Chris@69 59 rm -f conf.opustest
Chris@69 60 AC_TRY_RUN([
Chris@69 61 #include <stdio.h>
Chris@69 62 #include <stdlib.h>
Chris@69 63 #include <string.h>
Chris@69 64 #include <opus.h>
Chris@69 65
Chris@69 66 int main ()
Chris@69 67 {
Chris@69 68 system("touch conf.opustest");
Chris@69 69 return 0;
Chris@69 70 }
Chris@69 71
Chris@69 72 ],, no_opus=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
Chris@69 73 CFLAGS="$ac_save_CFLAGS"
Chris@69 74 LIBS="$ac_save_LIBS"
Chris@69 75 fi
Chris@69 76
Chris@69 77 if test "x$no_opus" = "xdisabled" ; then
Chris@69 78 AC_MSG_RESULT(no)
Chris@69 79 ifelse([$2], , :, [$2])
Chris@69 80 elif test "x$no_opus" = "x" ; then
Chris@69 81 AC_MSG_RESULT(yes)
Chris@69 82 ifelse([$1], , :, [$1])
Chris@69 83 else
Chris@69 84 AC_MSG_RESULT(no)
Chris@69 85 if test -f conf.opustest ; then
Chris@69 86 :
Chris@69 87 else
Chris@69 88 echo "*** Could not run Opus test program, checking why..."
Chris@69 89 CFLAGS="$CFLAGS $OPUS_CFLAGS"
Chris@69 90 LIBS="$LIBS $OPUS_LIBS"
Chris@69 91 AC_TRY_LINK([
Chris@69 92 #include <stdio.h>
Chris@69 93 #include <opus.h>
Chris@69 94 ], [ return 0; ],
Chris@69 95 [ echo "*** The test program compiled, but did not run. This usually means"
Chris@69 96 echo "*** that the run-time linker is not finding Opus or finding the wrong"
Chris@69 97 echo "*** version of Opus. If it is not finding Opus, you'll need to set your"
Chris@69 98 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
Chris@69 99 echo "*** to the installed location Also, make sure you have run ldconfig if that"
Chris@69 100 echo "*** is required on your system"
Chris@69 101 echo "***"
Chris@69 102 echo "*** If you have an old version installed, it is best to remove it, although"
Chris@69 103 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
Chris@69 104 [ echo "*** The test program failed to compile or link. See the file config.log for the"
Chris@69 105 echo "*** exact error that occurred. This usually means Opus was incorrectly installed"
Chris@69 106 echo "*** or that you have moved Opus since it was installed." ])
Chris@69 107 CFLAGS="$ac_save_CFLAGS"
Chris@69 108 LIBS="$ac_save_LIBS"
Chris@69 109 fi
Chris@69 110 OPUS_CFLAGS=""
Chris@69 111 OPUS_LIBS=""
Chris@69 112 ifelse([$2], , :, [$2])
Chris@69 113 fi
Chris@69 114 AC_SUBST(OPUS_CFLAGS)
Chris@69 115 AC_SUBST(OPUS_LIBS)
Chris@69 116 rm -f conf.opustest
Chris@69 117 ])