--- Makefile.orig	Mon Dec 14 20:51:56 1998
+++ Makefile	Thu Feb  4 16:37:34 1999
@@ -3,8 +3,8 @@
 
 OPSYS!=		uname
 #CC=		/usr/local/bin/gcc
-CFLAGS=		-O2 -Wall
-PREFIX?=	/usr/local
+CFLAGS?=	${CFLAGS} -O2 -Wall
+#PREFIX?=	/usr/local
 
 SUBDIR=		dsh pcp barrier