--- iptables-1.3.8-20071004/extensions/Makefile.orig	2007-10-05 14:42:17.000000000 +0200
+++ iptables-1.3.8-20071004/extensions/Makefile	2007-10-05 14:41:31.000000000 +0200
@@ -85,6 +85,7 @@ PF_EXT_SLIB+=$(PF_EXT_SLIB_OPTS)
 PF6_EXT_SLIB+=$(PF6_EXT_SLIB_OPTS)
 PFX_EXT_SLIB+=$(PFX_EXT_SLIB_OPTS)
 
+OPTIONALS+=$(patsubst %,XT:%,$(PFX_EXT_SLIB_OPTS))
 OPTIONALS+=$(patsubst %,IPv4:%,$(PF_EXT_SLIB_OPTS))
 OPTIONALS+=$(patsubst %,IPv6:%,$(PF6_EXT_SLIB_OPTS))