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Date: Mon, 6 Jan 1997 21:30:10 -0500 (EST)
From: Thomas David Rivers <ponds!rivers@dg-rtp.dg.com>
Message-Id: <199701070230.VAA00934@lakes.water.net>
To: terry@lambert.org, ponds!atrad.adelaide.edu.au!msmith
Subject: Re: make(1) substitution question...
Cc: ponds!freebsd.org!hackers
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terry@lambert.org writes:
> 
> 
> > Can anyone suggest a way of making this DWIM without involving the shell?
> > 
> > FOO=	test
> > BAR=	FOO
> BAR= $(FOO)

 You have to be careful here.  Different make implementations
will evaluate $(FOO) at different times; which can produce
different results.  That is, is $(FOO) evaluated when make
stumbles across the "BAR= $(FOO)", or is $(FOO) evaluated
in a lazy fashion, when make stumbles into $(BAR)...

	- Dave Rivers -