Message-ID: <459E3DE8.9050100@tls.msk.ru>
Date: Fri, 05 Jan 2007 15:00:40 +0300
From: Michael Tokarev <mjt@tls.msk.ru>
Organization: Telecom Service, JSC
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To: Pelle Svensson <pelle2004@gmail.com>
CC: Sam Ravnborg <sam@ravnborg.org>, linux-kernel@vger.kernel.org
Subject: Re: Symbol links to only needed and targeted source files
References: <6bb9c1030701030724k4ca544cfg364e28059cf5dfe@mail.gmail.com>	 <20070103162409.GA30071@uranus.ravnborg.org> <6bb9c1030701031314l1b57bd2brffb61cce68a7174@mail.gmail.com>
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Pelle Svensson wrote:
> Hi Sam,
> 
> You misunderstand me I think, I already using a separate output directory.
> What I like to do is a separate 'source tree' with only valid files
> for my configuration. In that way, when I use grep for instance,
> I would only hit valid files and not 50 other files which are
> not in the current build configuration.

So take a look at those generated files - there are .dep files in there,
which lists dependencies of every file which has been compiled for your
configuration.   Take them, build a list of filenames, and (sym)link them
into separate dir.  Some small awk/sed/grep/sort/uniq/xargs/ln magic and
you're done... ;)

/mjt
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