$NetBSD: patch-ae,v 1.5 2008/05/20 19:47:16 tnn Exp $

--- sys/unix/Makefile.doc.orig	2003-12-08 00:39:13.000000000 +0100
+++ sys/unix/Makefile.doc
@@ -41,7 +41,7 @@ Guidebook.dvi:	Guidebook.tex
 
 
 GAME	= nethack
-MANDIR	= /usr/man/man6
+MANDIR	= $(PREFIX)/$(PKGMANDIR)/man6
 MANEXT	= 6
 
 # manual installation for most BSD-style systems