$FreeBSD: ports/biology/treeviewx/files/patch-ncl-2.0::src::Makefile,v 1.1 2002/03/28 22:50:15 petef Exp $

--- ncl-2.0/src/Makefile.orig	Thu Mar 28 11:17:10 2002
+++ ncl-2.0/src/Makefile	Thu Mar 28 11:17:44 2002
@@ -2,11 +2,11 @@
 SRC_DIR		= ./
 
 # compiler switches 
-CC              = gcc
-CXX             = g++
-CXXFLAGS        = -O4
-LOADLIBES       = -lm
-CLINKER         = g++
+CC              ?= gcc
+CXX             ?= g++
+CXXFLAGS        ?= -O4
+LOADLIBES       ?= -lm
+CLINKER         ?= g++
 
 # target macros
 EXECS		= ncltest basiccmdline makedoc
