--- embedaddon/bird/configure	2017/08/22 12:33:54	1.1.1.1
+++ embedaddon/bird/configure	2017/08/22 13:06:49	1.1.1.1.2.1
@@ -4582,6 +4582,8 @@ else
 		ipv6:freebsd*)	sysdesc=bsd-v6
 				;;
 		ipv4:freebsd*)	sysdesc=bsd
+				$as_echo "#define CONFIG_FIREWALL_IPFW 1" >>confdefs.h
+				$as_echo "#define CONFIG_FIREWALL_PF 1" >>confdefs.h
 				;;
 		ipv6:dragonfly*)	sysdesc=bsd-v6
 				;;