+// on some really old systems gettimeofday() doesn't have the second argument,
+// define wxGetTimeOfDay() to hide this difference
+#ifdef HAVE_GETTIMEOFDAY
+ #ifdef WX_GETTIMEOFDAY_NO_TZ
+ #define wxGetTimeOfDay(tv) gettimeofday(tv)
+ #else
+ #define wxGetTimeOfDay(tv) gettimeofday((tv), NULL)
+ #endif
+#endif // HAVE_GETTIMEOFDAY