diff --git a/tools/prstats/Makefile b/tools/prstats/Makefile
index b19020979c..c942f8c528 100644
--- a/tools/prstats/Makefile
+++ b/tools/prstats/Makefile
@@ -1,46 +1,46 @@
 #
-# $FreeBSD: www/tools/prstats/Makefile,v 1.1 2001/10/29 01:58:12 murray Exp $
+# $FreeBSD: www/tools/prstats/Makefile,v 1.2 2001/11/18 16:11:34 murray Exp $
 #
 
 .if exists(../../en/Makefile.conf)
 .include "../../en/Makefile.conf"
 .endif
 .if exists(../../en/Makefile.inc)
 .include "../../en/Makefile.inc"
 .endif
 
 WEB_PREFIX?= ${.CURDIR}/../..
-GNATSDIR= /c/gnats
-PRGRAPHDIR= ${DESTDIR}${WEBBASE}/prstats
-GNUPLOT= /usr/local/bin/gnuplot
+GNATSDIR?= /c/gnats
+PRGRAPHDIR?= ${DESTDIR}${WEBBASE}/prstats
+GNUPLOT?= /usr/local/bin/gnuplot
 
 GRAPHS= gnats.png
 GRAPHS+= gnats1.png gnats1r.png
 GRAPHS+= gnats30.png gnats30r.png
 GRAPHS+= gnats365.png gnats365r.png
 GRAPHS+= gnats7.png gnats7r.png
 CLEANFILES= ${GRAPHS}
 CLEANFILES+= _ __ __1 __30 __365 __7
 
 INSTALL_WEB?=	\
 	${INSTALL} ${COPY} ${INSTALLFLAGS} -o ${WEBOWN} -g ${WEBGRP} -m ${WEBMODE}
 
 all:
 	./go.tcl ${GNATSDIR}
 	./eval.tcl
 	./cut.tcl 365 __ __365
 	./cut.tcl 30 __ __30
 	./cut.tcl 7 __ __7
 	./cut.tcl 1 __ __1
 	${GNUPLOT} g
 
 install: ${GRAPHS}
 .for entry in ${GRAPHS}
 .if exists(${.CURDIR}/${entry})
 	${INSTALL_WEB} ${.CURDIR}/${entry} ${PRGRAPHDIR}
 .else
 	${INSTALL_WEB} ${entry} ${PRGRAPHDIR}
 .endif
 .endfor
 
 .include "${WEB_PREFIX}/share/mk/web.site.mk"