--- Makefile.orig	1992-09-15 06:49:45.000000000 +0800
+++ Makefile	2014-07-02 15:47:22.159471575 +0800
@@ -4,9 +4,9 @@
 
 SHELL	= /bin/sh
 CC	= cc
-VNLIBDIR= ../lib
-VNINCDIR= ../include
-BINDIR	= /local/usr/bin
+VNLIBDIR= $(PREFIX)/lib
+VNINCDIR= $(PREFIX)/include/viet
+BINDIR	= ${PREFIX}/bin
 LIBS	= $(VNLIBDIR)/libviqr.a $(VNLIBDIR)/libvntype.a
 
 INC	= -I$(VNINCDIR)
@@ -34,7 +34,7 @@ all:	$(PROGRAMS)
 install:	$(PROGRAMS)
 		@for prog in $(PROGRAMS) ; do \
 		    echo install -s $$prog $(BINDIR) ;\
-		    install -s $$prog $(BINDIR) ;\
+		    install -s $$prog $(DESTDIR)$(BINDIR) ;\
 		done
 
 $(PROG1):	$(OBJS1) $(LIBS)