diff -urN src.orig/port/linux/include/Makefile src/port/linux/include/Makefile
--- src.orig/port/linux/include/Makefile	Tue May 18 08:42:52 1999
+++ src/port/linux/include/Makefile	Mon Aug  2 18:32:26 1999
@@ -68,7 +68,7 @@
 all depend:: port_ipv6.h
 
 port_ipv6.h: FRC
-	probe_ipv6
+	../bin/probe_ipv6
 
 distclean:: clean