$NetBSD$

DESTDIR support.

--- lex/Makefile.orig	2000-01-25 00:59:00.000000000 +0300
+++ lex/Makefile	2008-04-27 22:52:08.000000000 +0400
@@ -37,7 +37,7 @@
 	cd test; make clean
 
 install:
-	${INSTALL_DATA} mosmllex $(LIBDIR)
+	${INSTALL_DATA} mosmllex $(DESTDIR)$(LIBDIR)
 
 Grammar.sml Grammar.sig: Grammar.grm
 	$(MOSMLYACC) Grammar.grm
