--- back	2016-02-04 18:41:21.054538466 -0500
+++ udev-225.ebuild	2016-02-05 17:25:33.443499891 -0500
@@ -130,6 +130,11 @@
 	# apply user patches
 	epatch_user
 
+	# Gold doesn't do LTO correctly on sparc64, which results in broken libraries. #573874
+	if use sparc ; then
+		sed -i 's:-Wl,-fuse-ld=gold::' configure.ac || die
+	fi
+
 	eautoreconf
 
 	if ! [[ ${PV} = 9999* ]]; then