linux-kernel - Re: defconfig strangeness

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Message-Id: <20100422091903.45f4bcb7.rdunlap@xenotime.net>
Date:	Thu, 22 Apr 2010 09:19:03 -0700
From:	Randy Dunlap <rdunlap@...otime.net>
To:	Nicholas Mc Guire <der.herr@...r.at>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: defconfig strangeness

On Thu, 22 Apr 2010 18:07:23 +0200 Nicholas Mc Guire wrote:

> 
> HI !
> 
>  doing a series of static code analysis on 2.6.34-rcX each of them with 
>  defconfig (x86 32bit) - the strangeness is that even though the config
>  file is the same for rc3...5 the number of files actually compiled 
>  is very different. (linux-2.6 git tree)
> 
>  2.6.34-rc5 1695
>  2.6.34-rc4 3404
>  2.6.34-rc3 5109
> 
>  I diffed the .configs - rc4/rc5 only shows
> 
> 3,4c3,4
> < # Linux kernel version: 2.6.34-rc4
> < # Thu Apr 22 11:37:43 2010
> ---
> > # Linux kernel version: 2.6.34-rc5
> > # Thu Apr 22 10:44:02 2010
> 
>  why then this large difference in files being compiled ? 
> 
>  any hint apprecieated.

Just diff the build logs to see what is happening.

Or use 'make V=2' so that make will tell you why it's building each piece.

---
~Randy
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