Index: mrd6-0.9.5/src/icmp_inet6.cpp
===================================================================
--- mrd6-0.9.5.orig/src/icmp_inet6.cpp	2007-09-21 13:19:04.000000000 +0200
+++ mrd6-0.9.5/src/icmp_inet6.cpp	2007-09-21 13:19:06.000000000 +0200
@@ -51,6 +51,14 @@
 #define IP6_ALERT_MLD 0x00
 #endif
 
+#ifndef IP6OPT_PAD1
+#define IP6OPT_PAD1 0
+#endif
+
+#ifndef IP6OPT_PADN
+#define IP6OPT_PADN 1
+#endif
+
 static in6_addr mld_all_routers;
 static in6_addr all_routers;