linux-kernel - Re: Symbol links to only needed and targeted source files

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Message-ID: <459E3DE8.9050100@tls.msk.ru>
Date:	Fri, 05 Jan 2007 15:00:40 +0300
From:	Michael Tokarev <mjt@....msk.ru>
To:	Pelle Svensson <pelle2004@...il.com>
CC:	Sam Ravnborg <sam@...nborg.org>, linux-kernel@...r.kernel.org
Subject: Re: Symbol links to only needed and targeted source files

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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