--- a/config.h.in	Mon Oct 05 15:21:46 2015 +0200
+++ b/config.h.in	Sat Nov 07 22:04:17 2015 +0100
@@ -14,3 +14,6 @@
 
 /* Define if you have the <wiringPi.h> header file. */
 #undef HAVE_WIRINGPI_H
+
+/* Define if you have the <SDL/SDL.h> header file. */
+#undef HAVE_SDL_SDL_H