--- config	Mon Nov  6 12:28:20 2000
+++ config.new	Tue Jan  2 15:51:57 2001
@@ -28,7 +28,7 @@
 # ------------------------------------------------------------------ C compiler
 
 # You need an ANSI C compiler. gcc is a popular one.
-CC= gcc
+CC?= gcc
 WARN= -ansi -pedantic -Wall
 
 # On IRIX, cc is a good ANSI compiler.
@@ -93,7 +93,8 @@
 INCS= -I$(INC) $(EXTRA_INCS)
 DEFS= $(COMPAT) $(NUMBER) $(OLD_ANSI) $(EXTRA_DEFS)
 
-CFLAGS= -O2 $(WARN) $(INCS) $(DEFS)
+CFLAGS?= -O2
+CFLAGS+= -O2 $(WARN) $(INCS) $(DEFS)
 
 V=4.0