+#ifndef _WX_META_CONVERTIBLE_H_
+#define _WX_META_CONVERTIBLE_H_
+
+//
+// Introduce an extra class to make this header compilable with g++3.2
+//
+template <class D, class B>
+struct wxConvertibleTo_SizeHelper
+{
+ static char Match(B* pb);
+ static int Match(...);
+};