PR 21274
	mf-runtime.h installation based on ssp patch for PR 26473 from
	Mark Mitchell  <mark@codesourcery.com>.
	* configure.ac (ACX_NONCANONICAL_TARGET): Use it.
	* Makefile.am (target_noncanonical): Define.
	(libsubincludedir): New variable.
	(nobase_libsubinclude_HEADERS): Add mf-runtime.h.
	(include_HEADERS): Remove.
	* configure, aclocal.m4, config.h.in: Regenerated.
	* Makefile.in, testsuite/Makefile.in: Likewise.
	* mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
	and _THREAD_SAFE redefinition values.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@114855 138bc75d-0d04-0410-961f-82ee72b054a4