+// "old" GNUWIN32 is the one without Norlander's headers: it lacks the standard
+// Win32 headers and we define the used stuff ourselves for it in
+// wx/msw/gnuwin32/extra.h
+#if defined(__MINGW32__) && !wxUSE_NORLANDER_HEADERS
+ #define __GNUWIN32_OLD__
+#endif