--- Makefile.orig	Wed Feb 24 22:01:06 1999
+++ Makefile	Sun Jan 13 04:27:20 2002
@@ -6,10 +6,12 @@
 
+PREFIX ?= /usr/local
+
 # tvi $BK\BN$N>l=j(B($B%Q%9$,DL$C$F$$$k$3$H(B)
-TVIBINDIR = /usr/local/bin
+TVIBINDIR ?= ${PREFIX}/bin
 
 # $B%=!<%9!$%^%K%e%"%k$J$I0l@Z$rCV$/>l=j(B
-TVILIBDIR = /usr/local/lib/tvi-0.9.3
+TVILIBDIR ?= ${PREFIX}/lib/tvi-0.9.3
 
 # wish $B$N>l=j(B
-WISH = /usr/local/bin/wish4.2jp
+WISH ?= ${PREFIX}/bin/wish4.2jp
 
