--- a/xf86-video-intel-2.20.13.ebuild	2013-01-03 07:01:32.000000000 +0900
+++ b/xf86-video-intel-2.20.13.ebuild	2014-04-15 23:11:35.992150580 +0900
@@ -46,6 +46,7 @@
 		$(use_enable udev)
 		$(use_enable xvmc)
 	)
+	epatch "${FILESDIR}/${P}-handle-updates-to-DamageUnregister-API.patch"
 	xorg-2_src_configure
 }