if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
-@@ -97,6 +97,7 @@ obj-$(CONFIG_IP_NF_MATCH_LENGTH) += ipt_
+@@ -85,6 +85,7 @@ obj-$(CONFIG_IP_NF_MATCH_LENGTH) += ipt_
obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o
obj-$(CONFIG_IP_NF_MATCH_STATE) += ipt_state.o
obj-$(CONFIG_IP_NF_MATCH_CONNMARK) += ipt_connmark.o