--- xf86-video-intel-2.99.905.ebuild	2013-10-23 21:16:20.000000000 +0200
+++ xf86-video-intel-2.99.905-r1.ebuild	2013-10-27 15:24:41.000000000 +0100
@@ -12,7 +12,10 @@
 KEYWORDS="~amd64 ~x86 ~amd64-fbsd -x86-fbsd"
 IUSE="glamor +sna +udev uxa xvmc"
 
-REQUIRED_USE="|| ( glamor sna uxa )"
+REQUIRED_USE="
+	|| ( glamor sna uxa ) 
+	glamor? ( uxa )
+"
 
 RDEPEND="x11-libs/libXext
 	x11-libs/libXfixes