From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dave Eckhardt <davide+p9@cs.cmu.edu>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Content-ID: <19877.1255813133.1@lunacy.ugrad.cs.cmu.edu>
Date: Sat, 17 Oct 2009 16:58:53 -0400
Message-ID: <19878.1255813133@lunacy.ugrad.cs.cmu.edu>
Subject: Re: [9fans] Barrelfish
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> One thing complicating this is that make and its common
> variants aren't smart enough to handle the case where
> version control systems regress a file and present an
> earlier date not newer than the derived object.

See cons/scons.

Dave Eckhardt