2007-05-20 Andreas Tobler <a.tobler@schweiz.org>

	* configure.ac: Introduce extra_ldflags_libgc. Use it for Darwin.
	* configure: Regenerate.
	* Makefile.am (libgc_la_LDFLAGS): Use extra_ldflags_libgc.
	* Makefile.in: Regenerate.
	* include/Makefile.in: Regenerate.
	* include/private/gcconfig.h: Enable MPROTECT_VDB for all Darwin
	targets. Remove comments. Prepare ppc64 support for Darwin.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@124870 138bc75d-0d04-0410-961f-82ee72b054a4