--- a/x11-libs/gtkglext/gtkglext-1.2.0.ebuild	2012-05-05 06:01:30.000000000 +0200
+++ a/x11-libs/gtkglext/gtkglext-1.2.0.ebuild	2012-09-02 11:42:29.338010652 +0200
@@ -18,6 +18,7 @@ 
 RDEPEND=">=dev-libs/glib-2:2
 	>=x11-libs/gtk+-2:2
 	>=x11-libs/pango-1[X]
+	virtual/glu
 	virtual/opengl"
 DEPEND="${RDEPEND}
 	virtual/pkgconfig"