--- Makefile.orig	Wed Sep  6 13:12:43 2006
+++ Makefile	Fri Apr 27 09:04:12 2007
@@ -15,21 +15,21 @@
 
 
 ## Compiler  defines
-cc		=	gcc
-CC		=	gcc
-AR		=	ar
-RANLIB  = ranlib
-DEPENDFLAGS	=	-MM
-GNU_ANSI_FLAGS	= 	-Wall -ansi -pedantic
-ANSI_FLAGS	= 	${GNU_ANSI_FLAGS}
-CFLAGS		=	$(ANSI_FLAGS)
+cc		?=	gcc
+CC		?=	gcc
+AR		?=	ar
+RANLIB  	?=	ranlib
+DEPENDFLAGS	?=	-MM
+GNU_ANSI_FLAGS	?= 	-Wall -ansi -pedantic
+ANSI_FLAGS	?= 	${GNU_ANSI_FLAGS}
+CFLAGS		?=	$(ANSI_FLAGS)
 
 ## Command defines
 ## gmake does not work on MacOSX or some versions of linux MAKE  = gmake 
-RM		=	rm
-MV		=	mv
-CP		=	cp
-TAR		=	/opt/csw/bin/gtar ##/usr/freeware/bin/tar
+RM		?=	rm
+MV		?=	mv
+CP		?=	cp
+TAR		?=	/opt/csw/bin/gtar ##/usr/freeware/bin/tar
 
 
 ## Installation