$OpenBSD: patch-Setup_in,v 1.4 2018/04/01 09:27:43 landry Exp $
Index: Setup.in
--- Setup.in.orig
+++ Setup.in
@@ -48,6 +48,7 @@ cdrom src/cdrom.c $(SDL) $(DEBUG)
 color src/color.c $(SDL) $(DEBUG)
 constants src/constants.c $(SDL) $(DEBUG)
 display src/display.c $(SDL) $(DEBUG)
+display src/display.c $(SDL) $(DEBUG) -I${X11BASE}/include
 event src/event.c $(SDL) $(DEBUG)
 fastevent src/fastevent.c src/fastevents.c $(SDL) $(DEBUG)
 key src/key.c $(SDL) $(DEBUG)
