$OpenBSD: patch-libstdc++-v3_include_tr1_cwctype,v 1.1 2009/06/07 01:22:05 robert Exp $
--- libstdc++-v3/include/tr1/cwctype.orig	Fri Jun  5 02:00:32 2009
+++ libstdc++-v3/include/tr1/cwctype	Fri Jun  5 02:01:17 2009
@@ -45,7 +45,7 @@ namespace std
 {
 _GLIBCXX_BEGIN_NAMESPACE(tr1)
 
-#if _GLIBCXX_HAVE_ISWBLANK
+#if defined(_GLIBCXX_HAVE_ISWBLANK) && !defined(__OpenBSD__)
   using std::iswblank;
 #endif  
 
