Import OpenBSD m4 as of today.

svn path=/vendor/OpenBSD/dist/; revision=83618

usr.bin/m4/Makefile

@@ -0,0 +1,18 @@
+#	$OpenBSD: Makefile,v 1.8 2001/09/18 14:55:52 espie Exp $
+
+# -DEXTENDED 
+# 	if you want the paste & spaste macros.
+
+PROG=	m4
+CFLAGS+=-DEXTENDED
+CDIAGFLAGS=-W -Wall -Wstrict-prototypes \
+	-Wno-unused -Wno-char-subscripts -Wno-sign-compare
+# No optimization for m88k
+.if (${MACHINE_ARCH} == "m88k")
+CFLAGS+=-O0
+.endif
+
+SRCS=	eval.c expr.c look.c main.c misc.c gnum4.c trace.c
+MAN=	m4.1
+
+.include <bsd.prog.mk>