$NetBSD: patch-sys_unix_Makefile.doc,v 1.1 2019/10/24 11:51:23 pho Exp $

1. Don't hardcode the man path.
2. Support DESTDIR.

--- sys/unix/Makefile.doc.orig	2019-05-08 07:00:16.000000000 +0000
+++ sys/unix/Makefile.doc
@@ -62,7 +62,7 @@ Guidebook.dvi:	Guidebook.tex
 
 
 GAME	= nethack
-MANDIR	= /usr/man/man6
+MANDIR	= $(PREFIX)/$(PKGMANDIR)/man6
 MANEXT	= 6
 
 # manual installation for most BSD-style systems
@@ -81,12 +81,12 @@ MDMANCREATE = cat makedefs.6 | $(NHGREP)
 # MDMANCREATE = cat makedefs.6 | $(NHGREP) | nroff -man - >
 
 manpages:
-	-$(GAMEMANCREATE) $(MANDIR)/$(GAME).$(MANEXT)
-	-$(LEVMANCREATE) $(MANDIR)/lev_comp.$(MANEXT)
-	-$(DGNMANCREATE) $(MANDIR)/dgn_comp.$(MANEXT)
-	-$(RCVRMANCREATE) $(MANDIR)/recover.$(MANEXT)
-	-$(DLBMANCREATE) $(MANDIR)/dlb.$(MANEXT)
-	-$(MDMANCREATE) $(MANDIR)/makedefs.$(MANEXT)
+	-$(GAMEMANCREATE) $(DESTDIR)$(MANDIR)/$(GAME).$(MANEXT)
+	-$(LEVMANCREATE) $(DESTDIR)$(MANDIR)/lev_comp.$(MANEXT)
+	-$(DGNMANCREATE) $(DESTDIR)$(MANDIR)/dgn_comp.$(MANEXT)
+	-$(RCVRMANCREATE) $(DESTDIR)$(MANDIR)/recover.$(MANEXT)
+	-$(DLBMANCREATE) $(DESTDIR)$(MANDIR)/dlb.$(MANEXT)
+	-$(MDMANCREATE) $(DESTDIR)$(MANDIR)/makedefs.$(MANEXT)
 
 # manual creation for distribution
 DISTRIB = Guidebook.txt nethack.txt lev_comp.txt dgn_comp.txt recover.txt \