--- Makefile.orig	2013-11-17 23:01:50.000000000 +0800
+++ Makefile	2013-11-17 23:04:00.000000000 +0800
@@ -33,15 +33,15 @@ yaps.doc:	yaps.html
 	lynx -cfg=/dev/null -nolist -dump $< > $@
 
 install:	$(DSTFLE) $(CFGFILE)
-	if [ ! -d $(YAPS_LIBDIR) ]; then \
-		install -d -m 755 -o $(YAPS_USER) -g $(YAPS_GROUP) $(YAPS_LIBDIR) ; \
+	if [ ! -d $(DESTDIR)$(YAPS_LIBDIR) ]; then \
+		install -d -m 755 -o $(YAPS_USER) -g $(YAPS_GROUP) $(DESTDIR)$(YAPS_LIBDIR) ; \
 	fi
 	@if [ -f contrib/Makefile ]; then	\
 		$(MAKE) -C contrib install ;	\
 	fi
 
 $(DSTFLE):	yaps
-	install -o $(YAPS_USER) -g $(YAPS_GROUP) -m $(YAPS_MODE) -s yaps $@
+	install -o $(YAPS_USER) -g $(YAPS_GROUP) -m $(YAPS_MODE) -s yaps $(DESTDIR)$@
 
 $(CFGFILE):	yaps.rc
 	@if [ ! -f $@ ]; then \