--- SDL-1.2/include/SDL_config.h.in	2012-05-28 13:21:49.000000000 +0200
+++ SDL-1.2/include/SDL_config.h.in	2014-04-22 20:24:02.000000000 +0200
@@ -282,6 +282,7 @@
 #undef SDL_VIDEO_DRIVER_WINDIB
 #undef SDL_VIDEO_DRIVER_WSCONS
 #undef SDL_VIDEO_DRIVER_X11
+#undef SDL_VIDEO_DRIVER_X11_CONST_PARAM_XDATA32
 #undef SDL_VIDEO_DRIVER_X11_DGAMOUSE
 #undef SDL_VIDEO_DRIVER_X11_DYNAMIC
 #undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT