--- Makefile.orig	2012-02-22 13:24:35.000000000 +0800
+++ Makefile	2014-05-21 14:12:37.428927726 +0800
@@ -20,11 +20,11 @@ radns: $(OBJS)
 list.o: list.c list.h Makefile
 
 install: $(TARGETS)
-	install -m 755 radns $(PREFIX)/bin
-	install -m 644 radns.man $(PREFIX)/man/man8/radns.8
-	install -o radns -g radns -d $(ETCDIR)
-	install -m 755 dhclient-exit-hooks $(ETCDIR)
-	install -m 755 radns-script $(ETCDIR)
+	install -m 755 radns $(DESTDIR)$(PREFIX)/bin
+	install -m 644 radns.man $(DESTDIR)$(PREFIX)/man/man8/radns.8
+	install -d $(DESTDIR)$(ETCDIR)
+	install -m 755 dhclient-exit-hooks $(DESTDIR)$(ETCDIR)
+	install -m 755 radns-script $(DESTDIR)$(ETCDIR)
 
 deinstall:
 	$(RM) -f $(PREFIX)/bin/radns