Backport from upstream Libtool:

	* libltdl.m4 (_LT_SYS_DYNAMIC_LINKER)
	(_LT_LINKER_SHLIBS): Add cache variables to tests that
	require the linker to work.  For shlibpath_overrides_runpath,
	this also changes the semantics to let the result from the C
	compiler take precedence.

boehm-gc/

	* configure: Regenerate.

fixincludes/

	* configure: Regenerate.

gcc/

	* configure: Regenerate.

libffi/

	* configure: Regenerate.

libgfortran/

	* configure: Regenerate.

libgomp/

	* configure: Regenerate.

libjava/classpath/

	* configure: Regenerate.

libjava/

	* configure: Regenerate.

libmudflap/

	* configure: Regenerate.

libobjc/

	* configure: Regenerate.

libssp/

	* configure: Regenerate.

libstdc++-v3/

	* configure: Regenerate.

zlib/

	* configure: Regenerate.

From-SVN: r142817