--- clang-3.1-r5.ebuild.orig	2012-08-30 19:01:29.000000000 +0900
+++ clang-3.1-r5.ebuild	2012-11-25 20:38:14.000000000 +0900
@@ -75,7 +75,11 @@
 		-i tools/clang/test/lit.cfg  || die "test path sed failed"
 
 	# Automatically select active system GCC's libraries, bugs #406163 and #417913
-	epatch "${FILESDIR}"/${P}-gentoo-runtime-gcc-detection-v3.patch
+	if use elibc_FreeBSD ; then
+		epatch "${FILESDIR}"/${P}-gentoo-runtime-gcc-detection.patch
+	else
+		epatch "${FILESDIR}"/${P}-gentoo-runtime-gcc-detection-v3.patch
+	fi
 
 	# Fix search paths on FreeBSD, bug #409269
 	epatch "${FILESDIR}"/${P}-gentoo-freebsd-fix-lib-path.patch