diff -ur a/glu-9.0.0.ebuild b/glu-9.0.0.ebuild
--- a/glu-9.0.0.ebuild	2012-11-11 01:32:51.548571252 +0100
+++ b/glu-9.0.0.ebuild	2012-11-11 01:38:13.760601646 +0100
@@ -44,6 +44,18 @@
 	fi
 }
 
+pkg_setup() {
+	if [[ ${MERGE_TYPE} != buildonly ]] && has collision-protect ${FEATURES}; then
+		if [[ $(readlink "${EPREFIX}"/usr/$(get_libdir)/libGLU$(get_libname)) == *opengl* ]]; then
+			eerror "FEATURES=\"collision protect\" is enabled, which will prevent overwriting"
+			eerror "symlinks that were formerly managed by eselect opengl. You must disable"
+			eerror "collision-protect or remove ${EPREFIX}/usr/$(get_libdir)/libGLU$(get_libname)*"
+			eerror "manually. For details see bug #435682."
+			die "collision-protect cannot overwrite libGLU$(get_libname)*"
+		fi
+	fi
+}
+
 src_unpack() {
 	default
 	[[ $PV = 9999* ]] && git-2_src_unpack