diff options
-rw-r--r-- | Makefile.am | 3 | ||||
-rw-r--r-- | opus.m4 | 117 |
2 files changed, 120 insertions, 0 deletions
diff --git a/Makefile.am b/Makefile.am index e9e63295..34210bf1 100644 --- a/Makefile.am +++ b/Makefile.am @@ -85,6 +85,7 @@ endif EXTRA_DIST = version.mk \ opus.pc.in \ opus-uninstalled.pc.in \ + opus.m4 \ tests/run_vectors.sh \ opus.sln \ celt/celt.vcxproj \ @@ -111,6 +112,8 @@ EXTRA_DIST = version.mk \ pkgconfigdir = $(libdir)/pkgconfig pkgconfig_DATA = opus.pc +m4datadir = $(datadir)/aclocal +m4data_DATA = opus.m4 # Targets to build and install just the library without the docs opus check-opus install-opus: export NO_DOXYGEN = 1 diff --git a/opus.m4 b/opus.m4 new file mode 100644 index 00000000..20f166bc --- /dev/null +++ b/opus.m4 @@ -0,0 +1,117 @@ +# Configure paths for libopus +# Gregory Maxwell <greg@xiph.org> 08-30-2012 +# Shamelessly stolen from Jack Moffitt (libogg) who +# Shamelessly stole from Owen Taylor and Manish Singh + +dnl XIPH_PATH_OPUS([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) +dnl Test for libopus, and define OPUS_CFLAGS and OPUS_LIBS +dnl +AC_DEFUN([XIPH_PATH_OPUS], +[dnl +dnl Get the cflags and libraries +dnl +AC_ARG_WITH(opus,AC_HELP_STRING([--with-opus=PFX],[Prefix where opus is installed (optional)]), opus_prefix="$withval", opus_prefix="") +AC_ARG_WITH(opus-libraries,AC_HELP_STRING([--with-opus-libraries=DIR],[Directory where the opus library is installed (optional)]), opus_libraries="$withval", opus_libraries="") +AC_ARG_WITH(opus-includes,AC_HELP_STRING([--with-opus-includes=DIR],[Directory where the opus header files are installed (optional)]), opus_includes="$withval", opus_includes="") +AC_ARG_ENABLE(opustest,AC_HELP_STRING([--disable-opustest],[Do not try to compile and run a test opus program]),, enable_opustest=yes) + + if test "x$opus_libraries" != "x" ; then + OPUS_LIBS="-L$opus_libraries" + elif test "x$opus_prefix" = "xno" || test "x$opus_prefix" = "xyes" ; then + OPUS_LIBS="" + elif test "x$opus_prefix" != "x" ; then + OPUS_LIBS="-L$opus_prefix/lib" + elif test "x$prefix" != "xNONE" ; then + OPUS_LIBS="-L$prefix/lib" + fi + + if test "x$opus_prefix" != "xno" ; then + OPUS_LIBS="$OPUS_LIBS -lopus" + fi + + if test "x$opus_includes" != "x" ; then + OPUS_CFLAGS="-I$opus_includes" + elif test "x$opus_prefix" = "xno" || test "x$opus_prefix" = "xyes" ; then + OPUS_CFLAGS="" + elif test "x$opus_prefix" != "x" ; then + OPUS_CFLAGS="-I$opus_prefix/include" + elif test "x$prefix" != "xNONE"; then + OPUS_CFLAGS="-I$prefix/include" + fi + + AC_MSG_CHECKING(for Opus) + if test "x$opus_prefix" = "xno" ; then + no_opus="disabled" + enable_opustest="no" + else + no_opus="" + fi + + + if test "x$enable_opustest" = "xyes" ; then + ac_save_CFLAGS="$CFLAGS" + ac_save_LIBS="$LIBS" + CFLAGS="$CFLAGS $OPUS_CFLAGS" + LIBS="$LIBS $OPUS_LIBS" +dnl +dnl Now check if the installed Opus is sufficiently new. +dnl + rm -f conf.opustest + AC_TRY_RUN([ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <opus.h> + +int main () +{ + system("touch conf.opustest"); + return 0; +} + +],, no_opus=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + fi + + if test "x$no_opus" = "xdisabled" ; then + AC_MSG_RESULT(no) + ifelse([$2], , :, [$2]) + elif test "x$no_opus" = "x" ; then + AC_MSG_RESULT(yes) + ifelse([$1], , :, [$1]) + else + AC_MSG_RESULT(no) + if test -f conf.opustest ; then + : + else + echo "*** Could not run Opus test program, checking why..." + CFLAGS="$CFLAGS $OPUS_CFLAGS" + LIBS="$LIBS $OPUS_LIBS" + AC_TRY_LINK([ +#include <stdio.h> +#include <opus.h> +], [ return 0; ], + [ echo "*** The test program compiled, but did not run. This usually means" + echo "*** that the run-time linker is not finding Opus or finding the wrong" + echo "*** version of Opus. If it is not finding Opus, you'll need to set your" + echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" + echo "*** to the installed location Also, make sure you have run ldconfig if that" + echo "*** is required on your system" + echo "***" + echo "*** If you have an old version installed, it is best to remove it, although" + echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], + [ echo "*** The test program failed to compile or link. See the file config.log for the" + echo "*** exact error that occured. This usually means Opus was incorrectly installed" + echo "*** or that you have moved Opus since it was installed." ]) + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + fi + OPUS_CFLAGS="" + OPUS_LIBS="" + ifelse([$2], , :, [$2]) + fi + AC_SUBST(OPUS_CFLAGS) + AC_SUBST(OPUS_LIBS) + rm -f conf.opustest +]) |