+#if defined(_WIN32) && !defined(_WINNT) && !defined(_WIN95)
+#define _WINNT
+#endif
+
+#if defined( _MT ) && defined( _WINNT )
+#define HAVE_NT_THREADS 1
+#else
+#define NO_THREADS 1
+#endif
+
+#ifdef HAVE_NT_THREADS
+/* enable WINNT specific features only if we have NT THREADS */