This patch adds rules for the ObjC files but does not enable them.

2002-10-03  Adam Fedor  <fedor@gnu.org>

	* Makefile.in (SFILES): Add objc-exp.y objc-lang.c.
	(objc_lang_h): Define.
	(YYFILES): Add objc-exp.tab.c.
	(local-maintainer-clean): Remove objc-exp.tab.c.
	(objc-exp.tab.c, objc-exp.tab.o, objc-lang.o): New target.