--- PctestIpv6Udp.cc.t	2008-03-13 12:34:41.350681733 -0700
+++ PctestIpv6Udp.cc	2008-03-13 12:34:52.625368131 -0700
@@ -73,7 +73,7 @@
 	return socketOut;
     }
     
-#ifdef linux
+#if defined(linux) && defined(SO_BSDCOMPAT)
     // Linux needs SO_BSDCOMPAT enabled on our UDP socket, to avoid
     // getting ICMP errors when we send packets out.
     int bsdcompatOption;