diff -r cdf68044adaf -r e3f8a51b566a brewpanel/sdlgui.h
--- a/brewpanel/sdlgui.h	Sat Nov 07 22:04:17 2015 +0100
+++ b/brewpanel/sdlgui.h	Sat Nov 07 22:34:28 2015 +0100
@@ -1,7 +1,7 @@
 #ifndef _SDLGUI_H
 #define _SDLGUI_H
 
-//#include <SDL.h>
+#ifdef HAVE_SDL_SDL_H
 
 enum
 {
@@ -54,3 +54,5 @@
 void SDLGui_LCDwrite(SGOBJ *dlg, int x, int y, Uint8 c, int lcdindex);
 
 #endif
+
+#endif