+# Enable run-time type information (RTTI) in compiled code. [0,1]
+!ifndef USE_RTTI
+USE_RTTI = 1
+!endif
+
+# Enable threading in compiled code. [0,1]
+!ifndef USE_THREADS
+USE_THREADS = 1
+!endif
+
+# Link with gdiplus.lib? (Needed for wxGraphicsContext, will also set wxUSE_GRAPHICS_CONTEXT) [0,1]
+!ifndef USE_GDIPLUS
+USE_GDIPLUS = 0
+!endif
+