linux-kernel - Re: [PATCH] kbuild: work around distcc/icecc madness

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Message-ID: <20090321141800.GB22029@elte.hu>
Date:	Sat, 21 Mar 2009 15:18:00 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Sam Ravnborg <sam@...nborg.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH] kbuild: work around distcc/icecc madness


* Thomas Gleixner <tglx@...utronix.de> wrote:

> On Fri, 20 Mar 2009, Ingo Molnar wrote:
> > i dont do anything weird. i use:
> > 
> > CROSS_COMPILE='distcc 
> > /opt/crosstool/gcc-4.2.2-glibc-2.3.6/i686-unknown-linux-gnu/bin/i686-unknown-linux-gnu-'
> > 
> > host compiler was never supposed to be the same in terms of 
> > capability as target compiler.
> 
> Hmm. Then something else is going wrong. The kernel build system 
> checks the target compiler not the host one.
> 
> Is your distcc setup using the same compilers on all your machines 
> in the build cluster ?

yes - i have versions hardcoded via absolute pathnames like above, 
and each distcc node has the exact same layout as above. (and it's 
hard to mess up explicit versions like that)

I'll try to reproduce it once more and see what's going on.

	Ingo
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