--- Makefile.in.orig	2000-06-06 18:42:04.000000000 +0800
+++ Makefile.in	2013-11-16 21:39:43.000000000 +0800
@@ -70,8 +70,8 @@ clean: 
 	rm -rf ./*.o
 	rm -f whowatch
 install: whowatch
-	$(INSTALL) -m 755 whowatch $(bindir)/whowatch
-	$(INSTALL) -m 644 whowatch.1 $(mandir)/man1/whowatch.1
+	$(BSD_INSTALL_PROGRAM) whowatch $(DESTDIR)$(bindir)/whowatch
+	$(BSD_INSTALL_MAN) whowatch.1 $(DESTDIR)$(mandir)/man1/whowatch.1
 	
 distclean:
 	make clean