--- Makefile.in.orig	2005-04-05 20:44:00.000000000 +0800
+++ Makefile.in	2014-06-20 16:47:42.798934507 +0800
@@ -25,8 +25,8 @@ clean:
 	@rm -f config.cache 
 
 install: bgpq
-	$(INSTALL) -s -m 755 bgpq @prefix@@bindir@
-	$(INSTALL) -m 644 bgpq.8 @prefix@@mandir@/man8
+	$(INSTALL) -s -m 755 bgpq $(DESTDIR)@prefix@@bindir@
+	$(INSTALL) -m 644 bgpq.8 $(DESTDIR)@mandir@/man8
 
 test: bgpq
 	@rm -f test.out ]