$NetBSD: patch-be,v 1.5 2014/11/30 08:40:51 spz Exp $

--- support/sys-mman.c.orig	2017-08-02 13:16:42.000000000 +0000
+++ support/sys-mman.c
@@ -10,7 +10,6 @@
 #include <config.h>
 
 #ifndef __OpenBSD__
-#define _XOPEN_SOURCE 600
 #endif
 
 #ifdef PLATFORM_MACOSX
@@ -30,6 +29,9 @@
 #include <sys/types.h>
 #include <sys/mman.h>
 #include <errno.h>
+#ifdef __sun
+#include <unistd.h>
+#endif
 
 #include "map.h"
 #include "mph.h"