$OpenBSD: patch-tools_clang_lib_Lex_Lexer_cpp,v 1.2 2009/02/08 22:55:43 sthen Exp $
--- tools/clang/lib/Lex/Lexer.cpp.orig	Thu Feb  5 13:23:01 2009
+++ tools/clang/lib/Lex/Lexer.cpp	Thu Feb  5 16:07:01 2009
@@ -975,6 +975,7 @@ static bool isEndOfBlockCommentWithEscapedNewLine(cons
   return true;
 }
 
+#undef __SSE2__
 #ifdef __SSE2__
 #include <emmintrin.h>
 #elif __ALTIVEC__
