--- freebsd-sources-9.1_rc3.ebuild.orig	2012-11-06 21:57:50.000000000 +0900
+++ freebsd-sources-9.1_rc3.ebuild	2012-11-24 17:34:54.000000000 +0900
@@ -60,6 +60,9 @@
 	# vop_whiteout to tmpfs, so it can be used as an overlay
 	# unionfs filesystem over the cd9660 readonly filesystem.
 	epatch "${FILESDIR}/${PN}-7.0-tmpfs_whiteout_stub.patch"
+
+	freebsd_do_patches
+	freebsd_rename_libraries
 }
 
 src_compile() {