--- Makefile.orig	1998-12-25 17:10:57.000000000 +0800
+++ Makefile	2013-11-15 23:04:20.000000000 +0800
@@ -8,8 +8,8 @@ mgeupsd:	mgeupsd.o
 	$(CC) $(LDFLAGS) -o $@ $<
 
 install:	mgeupsd
-	install mgeupsd /sbin
-	install mgeupsd.8 /usr/man/man8
+	install -c mgeupsd $(DESTDIR)${PREFIX}/sbin
+	install -c mgeupsd.8 $(DESTDIR)${PREFIX}/man/man8
 
 clean:
 	rm -f *.o mgeupsd