* c-common.c (targetcm): Add.   
	* c-opts.c (c_common_handle_option): Handle language specific
	target options.
	* opts.c (handle_option): Verify language for target options, if
	any are given.
	* opth-gen.awk: Add CL_LANG_ALL.
	* target-def.h (TARGET_HANDLE_C_OPTION): Add.
	(TARGETCM_INITIALIZER): Add.
	* target.h (struct gcc_targetcm): Add.
	(targetcm): Add.
	* targhooks.c (default_handle_c_option): Add.
	* targhooks.h (default_handle_c_option): Add.
	* doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.

	* config/darwin.opt (iframework): Add.
	* config/darwin.h (TARGET_HAS_TARGETCM): Add.
	* config/darwin-c.c (handle_c_option): Add.
	(TARGET_HANDLE_C_OPTION): Add.
	(targetcm): Add.
	* doc/invoke.texi (Darwin Options): Add -iframework.

From-SVN: r122590