+/*
+ * Compatibility defines: note that, in general, there is a a reason for not
+ * compatible changes, so you should try to avoid defining WXWIN_COMPATIBILITY
+ * and do so only if your program really can't be compiled otherwise.
+ */
+
+/*
+ * Compatibility with 1.66 API.
+ * Level 0: no backward compatibility, all new features
+ * Level 1: wxDC, OnSize (etc.) compatibility, but
+ * some new features such as event tables
+ */
+#define WXWIN_COMPATIBILITY 0
+
+/*
+ * wxWindows 2.0 API compatibility. Possible values are:
+ * 0: no backwards compatibility
+ * 1: some backwards compatibility, but if it conflicts with the new
+ * features, use the new code, not the old one
+ * 2: maximum backwards compatiblity: even if compatibility can only be
+ * achieved by disabling new features, do it.
+ */
+#define WXWIN_COMPATIBILITY_2 1
+
+/*
+ * wxWindows 2.0 uses long for wxPoint/wxRect/wxSize member fields and wxDC
+ * method arguments, wxWindows 2.1 and later uses wxCoord typedef which is
+ * usually int. Using long leads to (justified) warnings about long to int
+ * conversions from some compilers and is, generally speaking, unneeded.
+ */
+#define wxUSE_COMPATIBLE_COORD_TYPES 0
+
+/*
+ * Maximum compatibility with 2.0 API
+ */
+#if WXWIN_COMPATIBILITY_2 == 2
+#undef wxUSE_COMPATIBLE_COORD_TYPES
+#define wxUSE_COMPATIBLE_COORD_TYPES 1
+#endif /* WXWIN_COMPATIBILITY_2_MAX */
+