--- topaz/Makefile.freebsd.orig	Tue Oct 26 20:29:25 1999
+++ topaz/Makefile.freebsd	Sat Oct 30 16:22:05 1999
@@ -2,16 +2,16 @@
 clean: cleantopaz cleanview cleanps
 
 # compiler
-CXX=g++
+CXX?=g++
 
 # Where are include files kept
 INCLUDE=.
 
 # for FreeBSD
-CFLAGS= -I/usr/local/include -I/usr/local/include/ncurses -I/usr/X11R6/include -O2 -Wall -DTOPAZLINUX -DTOPAZ_NCURSES -DTOPAZ_EUC
-TOPAZLIB=  -L/usr/local/lib -lm -lncurses -lgnugetopt
+CFLAGS+= -I$(PREFIX)/include -I$(PREFIX)/include/ncurses -I$(X11BASE)/include -O2 -Wall -DTOPAZLINUX -DTOPAZ_NCURSES -DTOPAZ_EUC
+TOPAZLIB=  -L$(PREFIX)/lib -lm -lncurses -lgnugetopt
 PSLIB=  -lm
-VIEWLIB= -lm -L/usr/X11R6/lib -lX11
+VIEWLIB= -lm -L$(X11BASE)/lib -lX11
 
 # obj
 OBJ=topaz.o plobj.o graph.o axis.o frame.o frame2.o valbuff.o script.o funcs.o\