--- Makefile.orig	Mon Mar 28 20:05:28 1994
+++ Makefile	Mon Jun 23 21:24:12 1997
@@ -7,15 +7,16 @@
 
 #	@(#)Makefile 2.3 (Y.Tonooka) 3/28/94
 
-          BINPATH = /usr/local/bin
-          MANPATH = /usr/local/man
-          JMANDIR = japanese
+          PREFIX?= /usr/local
+          BINPATH = ${PREFIX}/bin
+          MANPATH = ${PREFIX}/man
+          JMANDIR = ja
            CFLAGS = -O
 
             SHELL = /bin/sh
                CP = cp
              MAKE = make
-          INSTALL = install
+          INSTALL = install -c
 
              CMDS = kcc
              SRCS = kcc.c