$NetBSD: patch-bg,v 1.1 2008/04/28 10:16:57 tnn Exp $

Use $(MAKE).
DESTDIR support.

--- doc/Makefile.orig	2000-06-29 18:44:27.000000000 +0400
+++ doc/Makefile	2008-04-27 22:53:31.000000000 +0400
@@ -48,11 +48,11 @@
 	psnup -pa4 -2 mosmllib.ps mosmllib2up.ps
 
 install:
-	cp mosmlref.pdf $(DOCDIR)
-	cp manual.pdf $(DOCDIR)
-	cp mosmllib.pdf $(DOCDIR)
-	cp mosmllib2up.pdf $(DOCDIR)
-	cd helpsigs; make install
+	cp mosmlref.pdf $(DESTDIR)$(DOCDIR)
+	cp manual.pdf $(DESTDIR)$(DOCDIR)
+	cp mosmllib.pdf $(DESTDIR)$(DOCDIR)
+	cp mosmllib2up.pdf $(DESTDIR)$(DOCDIR)
+	cd helpsigs; $(MAKE) install DESTDIR=$(DESTDIR)
 
 clean:
 	rm -f *.aux *.dvi *.blg *.bbl *.blg *.log *.ps