+/* Choose which method we will use for updating menus
+ * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
+ * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
+ */
+#ifndef wxUSE_IDLEMENUUPDATES
+ #if defined(__WXMSW__) || defined(__WXGTK__)
+ #define wxUSE_IDLEMENUUPDATES 0
+ #else
+ #define wxUSE_IDLEMENUUPDATES 1
+ #endif
+#endif
+
+/*
+ * Define symbols that are not yet in
+ * configure or possibly some setup.h files.
+ * They will need to be added.
+ */
+
+#ifndef wxUSE_FILECONFIG
+ #if wxUSE_CONFIG
+ #define wxUSE_FILECONFIG 1
+ #else
+ #define wxUSE_FILECONFIG 0
+ #endif
+#endif
+
+#ifndef wxUSE_HOTKEY
+ #define wxUSE_HOTKEY 0
+#endif
+
+#if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
+ #define wxUSE_WXDIB 1
+#endif
+