$OpenBSD: patch-libs_regex_src_wc_regex_traits_cpp,v 1.2 2010/03/30 11:00:15 robert Exp $
--- libs/regex/src/wc_regex_traits.cpp.orig	Mon Aug  3 14:00:07 2009
+++ libs/regex/src/wc_regex_traits.cpp	Thu Dec 24 14:11:11 2009
@@ -77,9 +77,12 @@ template BOOST_REGEX_STDLIB_DECL bool __cdecl operator
 #include <boost/regex/v4/primary_transform.hpp>
 #include <boost/regex/v4/regex_traits_defaults.hpp>
 
-#if defined(BOOST_NO_STDC_NAMESPACE)
+#if defined(BOOST_NO_STDC_NAMESPACE) || defined(__OpenBSD__)
 namespace std{
    using ::wcstol;
+   using ::iswspace; using ::iswprint; using ::iswcntrl;
+   using ::iswupper; using ::iswlower; using ::iswalpha;
+   using ::iswdigit; using ::iswpunct; using ::iswxdigit;
 }
 #endif
 
