--- angle/src/common/platform.h.orig	2014-12-29 14:28:40.707691427 +0100
+++ angle/src/common/platform.h	2014-12-29 14:28:57.662866462 +0100
@@ -82,7 +82,7 @@
 #       endif
 #   endif
 
-#  if defined(__MINGW32__) // Missing defines on MinGW
+#  if defined(__MINGW32__) && 0 // Missing defines on MinGW
 typedef enum D3D11_MAP_FLAG
 {
     D3D11_MAP_FLAG_DO_NOT_WAIT = 0x100000L