--- nss-3.12.10.ebuild	2011-08-26 21:16:45.435613027 +0200
+++ /root/nss-3.12.10.ebuild	2011-08-26 21:09:24.685947837 +0200
@@ -55,6 +55,7 @@
 	# Support Linux 3.0, bug #372001
 	cd  "${S}"/mozilla/security/coreconf/
 	ln -sf Linux2.6.mk Linux3.0.mk || die "failed to symlink Linux2.6.mk"
+	ln -sf Linux2.6.mk Linux3.1.mk || die "failed to symlink Linux2.6.mk"
 }
 
 src_compile() {