--- Makefile.orig	2014-06-27 00:24:57.523166764 +0800
+++ Makefile	2014-06-27 00:25:40.243185312 +0800
@@ -19,14 +19,12 @@ downtime.1.gz: downtime.1
 	gzip -c downtime.1 > downtime.1.gz
 
 install: all
-	$(INSTALL) -c -g $(GROUP) -o $(OWNER) -m 755 downtime $(PREFIX)/bin
-	$(INSTALL) -c -g $(GROUP) -o $(OWNER) -m 444 downtime.1.gz $(PREFIX)/man/man1
-	$(INSTALL) -c -d -g $(GROUP) -o $(OWNER) -m 755 $(PREFIX)/share/applications
-	$(INSTALL) -c -g $(GROUP) -o $(OWNER) -m 444 downtime.desktop $(PREFIX)/share/applications
-	$(INSTALL) -c -d -g $(GROUP) -o $(OWNER) -m 755 $(PREFIX)/share/mime/packages
-	$(INSTALL) -c -g $(GROUP) -o $(OWNER) -m 444 downtime.xml $(PREFIX)/share/mime/packages
-	update-mime-database $(PREFIX)/share/mime
-	update-desktop-database $(PREFIX)/share/applications
+	$(BSD_INSTALL_PROGRAM) downtime $(DESTDIR)$(PREFIX)/bin
+	$(BSD_INSTALL_MAN) downtime.1.gz $(DESTDIR)$(PREFIX)/man/man1
+	$(INSTALL) -c -d -m 755 $(DESTDIR)$(PREFIX)/share/applications
+	$(BSD_INSTALL_DATA) downtime.desktop $(DESTDIR)$(PREFIX)/share/applications
+	$(INSTALL) -c -d -m 755 $(DESTDIR)$(PREFIX)/share/mime/packages
+	$(BSD_INSTALL_DATA) downtime.xml $(DESTDIR)$(PREFIX)/share/mime/packages
 
 clean:
 	-rm $(OBJS) *.core *~ downtime downtime.1.gz downtime-*.tar.gz