$OpenBSD: patch-tools_clang_lib_Lex_Lexer_cpp,v 1.5 2010/04/29 16:37:09 jsg Exp $
--- tools/clang/lib/Lex/Lexer.cpp.orig	Wed Feb  3 22:06:21 2010
+++ tools/clang/lib/Lex/Lexer.cpp	Tue Apr 27 20:57:36 2010
@@ -1104,6 +1104,7 @@ static bool isEndOfBlockCommentWithEscapedNewLine(cons
   return true;
 }
 
+#undef __SSE2__
 #ifdef __SSE2__
 #include <emmintrin.h>
 #elif __ALTIVEC__
