--- xf86-video-virtualbox-3.1.2.ebuild	2010-01-08 11:47:22.227063164 +0100
+++ xf86-video-virtualbox-3.1.2.ebuild	2010-01-14 15:19:22.621153457 +0100
@@ -16,7 +16,10 @@
 KEYWORDS="~amd64 ~x86"
 IUSE="dri"
 
-RDEPEND="x11-base/xorg-server"
+RDEPEND="
+	|| ( ( x11-base/xorg-server[minimal] media-libs/mesa )
+	       x11-base/xorg-server[-minimal] )
+"
 DEPEND="${RDEPEND}
 		>=dev-util/kbuild-0.1.5-r1
 		>=dev-lang/yasm-0.6.2