linux-kernel - Re: Suggestions request for speed-up kernel compilation

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Date:	Fri, 24 Apr 2009 12:37:41 +0200 (CEST)
From:	Sven-Haegar Koch <haegar@...net.de>
To:	Alessio Igor Bogani <abogani@...ware.it>
cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Suggestions request for speed-up kernel compilation

On Fri, 24 Apr 2009, Alessio Igor Bogani wrote:

> I'm a kernel newbie and I would be very happy to receive some tips
> about kernel compilation from experienced developers.
> 
> I have recently elaborated some trivial patches. For each one I have
> done a build test at minimum and I find myself spend a lot of time
> waiting my Core Duo to accomplish this task. Make is a very smart tool
> but after a git pull or a git fetch origin/git reset --hard origin it
> can't help as desired.
> 
> Unfortunately I don't have a clustered compilation farm under my control. :-)
> 
> Anyone can suggest me how mitigate that issue?

What helps me with this is using ccache (compiler cache) - it keeps the 
compile results inside a cache and when compiling the same file again it 
fetches the result from there.

on debian it is just:
  apt-get install ccache
  export PATH=/usr/lib/ccache:$PATH
  ...work on kernel like normal...


c'ya
sven

-- 
The lights are fading out, once more...
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