Simplified using new yacc rules and by not generating y.tab.h.

bin/expr/Makefile

@@ -1,13 +1,7 @@
-#	/b/source/CVS/src/bin/expr/Makefile,v 1.5 1993/06/14 19:56:06 jtc Exp
-#	$Id$
+#	$Id: Makefile,v 1.12 1997/02/22 14:03:36 peter Exp $
 
-PROG=		expr
-SRCS=		expr.c
-CLEANFILES+=	expr.c y.tab.h
-
-expr.c:
-	${YACC} -d ${.IMPSRC}
-	mv -f y.tab.c expr.c
+PROG=	expr
+SRCS=	expr.y
+YFLAGS=
 
 .include <bsd.prog.mk>
-