--- Makefile.orig	Tue Jun  9 13:39:14 1998
+++ Makefile	Tue Jun  9 13:39:19 1998
@@ -1,4 +1,5 @@
-install_dir = /usr/local/v6/bin
+install_dir=	${PREFIX}/bin
 
+all: v6tun
 v6tun: v6tun.o
 	cc -o $@ $>
