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Diffstat (limited to '')
| -rw-r--r-- | m4/ogg.m4 | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/m4/ogg.m4 b/m4/ogg.m4 new file mode 100644 index 0000000..3b1a28a --- /dev/null +++ b/m4/ogg.m4 @@ -0,0 +1,114 @@ +# 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,AS_HELP_STRING([--with-ogg=PFX],[Prefix where libogg is installed (optional)]), ogg_prefix="$withval", ogg_prefix="") +AC_ARG_WITH(ogg-libraries,AS_HELP_STRING([--with-ogg-libraries=DIR],[Directory where libogg library is installed (optional)]), ogg_libraries="$withval", ogg_libraries="") +AC_ARG_WITH(ogg-includes,AS_HELP_STRING([--with-ogg-includes=DIR],[Directory where libogg header files are installed (optional)]), ogg_includes="$withval", ogg_includes="") +AC_ARG_ENABLE(oggtest,AS_HELP_STRING([--disable-oggtest],[Do not try to compile and run a test Ogg program]),, enable_oggtest=yes) + + if test "x$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_RUN_IFELSE([AC_LANG_SOURCE([[ +#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 $OGG_LIBS" + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#include <stdio.h> +#include <ogg/ogg.h> +]], [[ return 0; ]])],[ echo "*** The test program compiled, but did not run. This usually means" + echo "*** that the run-time linker is not finding Ogg or finding the wrong" + echo "*** version of Ogg. If it is not finding Ogg, you'll need to set your" + echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" + echo "*** to the installed location Also, make sure you have run ldconfig if that" + echo "*** is required on your system" + echo "***" + echo "*** If you have an old version installed, it is best to remove it, although" + echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],[ echo "*** The test program failed to compile or link. See the file config.log for the" + echo "*** exact error that occurred. This usually means Ogg was incorrectly installed" + echo "*** or that you have moved Ogg since it was installed." ]) + CFLAGS="$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 +]) |