--- /usr/portage/media-libs/glfw/glfw-3.0.4.ebuild	2014-08-29 21:52:26.000000000 +0200
+++ media-libs/glfw/glfw-3.0.4-r666.ebuild	2014-11-04 20:02:22.685226559 +0100
@@ -12,13 +12,11 @@
 LICENSE="ZLIB"
 SLOT="0"
 KEYWORDS="~amd64 ~x86"
-IUSE="egl examples"
+IUSE="+X egl examples"
+
+RDEPEND="virtual/opengl
+	X? ( x11-libs/libXrandr x11-libs/libX11 x11-libs/libXi x11-libs/libXxf86vm )"
 
-RDEPEND="x11-libs/libXrandr
-	x11-libs/libX11
-	x11-libs/libXi
-	x11-libs/libXxf86vm
-	virtual/opengl"
 DEPEND="${RDEPEND}
 	virtual/glu"