--- a/llvm-9999.ebuild	2014-03-10 17:06:16.640027411 -0700
+++ b/llvm-9999.ebuild	2014-03-10 17:47:37.366243895 -0700
@@ -203,7 +203,7 @@
 	)
 
 	if use clang; then
-		conf_flags+=( --with-clang-resource-dir=../lib/clang/3.5 )
+		conf_flags+=( --with-clang-resource-dir=../lib/clang/3.5.0 )
 	fi
 	# well, it's used only by clang executable c-index-test
 	if multilib_build_binaries && use clang && use xml; then