$NetBSD: patch-ai,v 1.1 2006/02/19 01:40:26 schwarz Exp $

--- xworld.c.orig	2006-02-19 02:25:25.000000000 +0100
+++ xworld.c	2006-02-19 02:26:37.000000000 +0100
@@ -56,6 +56,11 @@
 #define MAP_FILE 0x0
 #endif
 
+/* IRIX 5 hack: */
+#ifndef MAP_FAILED
+#define MAP_FAILED	((void *) -1)
+#endif
+
 #define SIZE       150
 #define MIN_SIZE    50
 #define X_POS       +0