Support sun symbol versioning in libitm

	libitm:
	* acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
	(LIBITM_ENABLE_SYMVERS): Handle sun style.
	* Makefile.am: Handle sun style versioning.
	(libitm_la_LINK): Add $(libitm_la_LDFLAGS).
	* configure: Regenerate.
	* Makefile.in: Regenerate.

	contrib:
	* make_sunver.pl: Convert '?' in glob patterns to '.'.

From-SVN: r181588