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AC_DEFUN([MACOSX_UNIVERSAL_BINARIES], [
AC_ARG_ENABLE([macosx-universal],
AS_HELP_STRING([--enable-macosx-universal], [build universal binaries for Mac OS X)]),
[], [enable_macosx_universal="no"])
if test x"$enable_macosx_universal" != x"no" ; then
case "$host_os" in
*darwin*)
dnl x64_64 and ppc64 binaries could also be built, but there is no
dnl version of Mac OS X currently shipping that can run them, so
dnl do not enable them by default for now.
if test x"$enable_macosx_universal" = x"yes" ; then
UNIVERSAL_ARCHES="i386 ppc"
else
UNIVERSAL_ARCHES=`echo "$enable_macosx_universal" | sed -e 's/,/ /g'`
fi
;;
*)
AC_MSG_ERROR([Universal binaries can only be built on Darwin])
;;
esac
AC_SUBST(UNIVERSAL_ARCHES)
CFLAGS="$CFLAGS -isysroot /Developer/SDKs/MacOSX10.4u.sdk"
LDFLAGS="$LDFLAGS -Wl,-syslibroot,/Developer/SDKs/MacOSX10.4u.sdk"
if test x"$UNIVERSAL_ARCHES" != x"" ; then
# Forcibly disable dependency tracking for Universal builds, because -M
# does not work with multiple -arch arguments on the gcc command-line.
ac_tool_warned=yes
cross_compiling=yes
enable_dependency_tracking=no
host="`echo $host | sed -e s/$host_cpu/universal/g`"
host_cpu=universal
AC_DEFINE([XINE_MACOSX_UNIVERSAL_BINARY], 1, [Define this if a universal binary is being built for Mac OS X])
for arch in $UNIVERSAL_ARCHES ; do
UNIVERSAL_CFLAGS="$UNIVERSAL_CFLAGS -arch $arch"
UNIVERSAL_LDFLAGS="$UNIVERSAL_LDFLAGS -arch $arch"
done
fi
fi
AM_CONDITIONAL([MACOSX_UNIVERSAL_BINARY], [test x"$enable_macosx_universal" = x"yes"])
])dnl MACOSX_UNIVERSAL_BINARIES
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