$NetBSD$

DESTDIR support.

--- Tools/Makefile~	1998-03-22 18:27:46.000000000 -0500
+++ Tools/Makefile	2009-10-23 23:36:58.000000000 -0400
@@ -3,8 +3,8 @@ TARGETS = src2tex src2pi
 include ../SiteSpecific
 
 install:: all
-	cp -f src2tex src2pi $(INSTALLLIB)
-	chmod 755 $(INSTALLLIB)/src2tex $(INSTALLLIB)/src2pi
+	cp -f src2tex src2pi $(DESTDIR)$(INSTALLLIB)
+	chmod 755 $(DESTDIR)$(INSTALLLIB)/src2tex $(DESTDIR)$(INSTALLLIB)/src2pi
 tags::
 	etags *.mll
 
