$OpenBSD: patch-libs_regex_src_regex_traits_defaults_cpp,v 1.1 2010/03/30 11:01:10 robert Exp $
--- libs/regex/src/regex_traits_defaults.cpp.orig	Thu Dec 24 14:06:42 2009
+++ libs/regex/src/regex_traits_defaults.cpp	Thu Dec 24 14:08:17 2009
@@ -35,6 +35,12 @@ namespace std{
 }
 #endif
 
+#if defined(__OpenBSD__)
+namespace std{
+   using ::towlower;
+   using ::towupper;
+}
+#endif
 
 namespace boost{ namespace re_detail{
 
