gcc/

gcc/
	* gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
	(GTM_SELF_SPECS): Define if not already defined.
	(driver_self_specs): Add GTM_SELF_SPECS.
	* config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
	(GTM_SELF_SPECS): Define.
	* config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
	* config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
libitm/
	* configure.ac (link_itm): Fix comment.
	* configure: Regenerate.
	* testsuite/lib/libitm.exp: Do not pass -litm for the link.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@184174 138bc75d-0d04-0410-961f-82ee72b054a4