summaryrefslogtreecommitdiffhomepage
path: root/vorbis/m4/ogg.m4
diff options
context:
space:
mode:
Diffstat (limited to 'vorbis/m4/ogg.m4')
-rw-r--r--vorbis/m4/ogg.m4116
1 files changed, 116 insertions, 0 deletions
diff --git a/vorbis/m4/ogg.m4 b/vorbis/m4/ogg.m4
new file mode 100644
index 0000000..1d3fb8b
--- /dev/null
+++ b/vorbis/m4/ogg.m4
@@ -0,0 +1,116 @@
+# Configure paths for libogg
+# Jack Moffitt <jack@icecast.org> 10-21-2000
+# Shamelessly stolen from Owen Taylor and Manish Singh
+
+dnl XIPH_PATH_OGG([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
+dnl Test for libogg, and define OGG_CFLAGS and OGG_LIBS
+dnl
+AC_DEFUN([XIPH_PATH_OGG],
+[dnl
+dnl Get the cflags and libraries
+dnl
+AC_ARG_WITH(ogg,AC_HELP_STRING([--with-ogg=PFX],[Prefix where libogg is installed (optional)]), ogg_prefix="$withval", ogg_prefix="")
+AC_ARG_WITH(ogg-libraries,AC_HELP_STRING([--with-ogg-libraries=DIR],[Directory where libogg library is installed (optional)]), ogg_libraries="$withval", ogg_libraries="")
+AC_ARG_WITH(ogg-includes,AC_HELP_STRING([--with-ogg-includes=DIR],[Directory where libogg header files are installed (optional)]), ogg_includes="$withval", ogg_includes="")
+AC_ARG_ENABLE(oggtest,AC_HELP_STRING([--disable-oggtest],[Do not try to compile and run a test Ogg program]),, enable_oggtest=yes)
+
+ if test "x$ogg_libraries" != "x" ; then
+ OGG_LIBS="-L$ogg_libraries"
+ elif test "x$ogg_prefix" = "xno" || test "x$ogg_prefix" = "xyes" ; then
+ OGG_LIBS=""
+ elif test "x$ogg_prefix" != "x" ; then
+ OGG_LIBS="-L$ogg_prefix/lib"
+ elif test "x$prefix" != "xNONE" ; then
+ OGG_LIBS="-L$prefix/lib"
+ fi
+
+ if test "x$ogg_prefix" != "xno" ; then
+ OGG_LIBS="$OGG_LIBS -logg"
+ fi
+
+ if test "x$ogg_includes" != "x" ; then
+ OGG_CFLAGS="-I$ogg_includes"
+ elif test "x$ogg_prefix" = "xno" || test "x$ogg_prefix" = "xyes" ; then
+ OGG_CFLAGS=""
+ elif test "x$ogg_prefix" != "x" ; then
+ OGG_CFLAGS="-I$ogg_prefix/include"
+ elif test "x$prefix" != "xNONE"; then
+ OGG_CFLAGS="-I$prefix/include"
+ fi
+
+ AC_MSG_CHECKING(for Ogg)
+ if test "x$ogg_prefix" = "xno" ; then
+ no_ogg="disabled"
+ enable_oggtest="no"
+ else
+ no_ogg=""
+ fi
+
+
+ if test "x$enable_oggtest" = "xyes" ; then
+ ac_save_CFLAGS="$CFLAGS"
+ ac_save_LIBS="$LIBS"
+ CFLAGS="$CFLAGS $OGG_CFLAGS"
+ LIBS="$LIBS $OGG_LIBS"
+dnl
+dnl Now check if the installed Ogg is sufficiently new.
+dnl
+ rm -f conf.oggtest
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ogg/ogg.h>
+
+int main ()
+{
+ system("touch conf.oggtest");
+ return 0;
+}
+
+],, no_ogg=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+ CFLAGS="$ac_save_CFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+
+ if test "x$no_ogg" = "xdisabled" ; then
+ AC_MSG_RESULT(no)
+ ifelse([$2], , :, [$2])
+ elif test "x$no_ogg" = "x" ; then
+ AC_MSG_RESULT(yes)
+ ifelse([$1], , :, [$1])
+ else
+ AC_MSG_RESULT(no)
+ if test -f conf.oggtest ; then
+ :
+ else
+ echo "*** Could not run Ogg test program, checking why..."
+ CFLAGS="$CFLAGS $OGG_CFLAGS"
+ LIBS="$LIBS $OGG_LIBS"
+ AC_TRY_LINK([
+#include <stdio.h>
+#include <ogg/ogg.h>
+], [ return 0; ],
+ [ echo "*** The test program compiled, but did not run. This usually means"
+ echo "*** that the run-time linker is not finding Ogg or finding the wrong"
+ echo "*** version of Ogg. If it is not finding Ogg, you'll need to set your"
+ echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
+ echo "*** to the installed location Also, make sure you have run ldconfig if that"
+ echo "*** is required on your system"
+ echo "***"
+ echo "*** If you have an old version installed, it is best to remove it, although"
+ echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
+ [ echo "*** The test program failed to compile or link. See the file config.log for the"
+ echo "*** exact error that occured. This usually means Ogg was incorrectly installed"
+ echo "*** or that you have moved Ogg since it was installed." ])
+ CFLAGS="$ac_save_CFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+ OGG_CFLAGS=""
+ OGG_LIBS=""
+ ifelse([$2], , :, [$2])
+ fi
+ AC_SUBST(OGG_CFLAGS)
+ AC_SUBST(OGG_LIBS)
+ rm -f conf.oggtest
+])