linux-kernel - Re: linux-next: build failure after merge of the kbuild tree

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Message-Id: <20110420083055.c1ecb529.sfr@canb.auug.org.au>
Date:	Wed, 20 Apr 2011 08:30:55 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Michal Marek <mmarek@...e.cz>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-next: build failure after merge of the kbuild tree

Hi Michal,

On Wed, 20 Apr 2011 08:25:14 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> After merging the kbuild tree, today's linux-next build (s390 allnoconfig)
> failed like this:
> 
> /opt/crosstool/gcc-4.3.2-nolibc/bin/s390x-linux-ar: illegal option -- D
> 
> Caused by commit 09ff9fecc039 ("kbuild: Use the deterministic mode of ar").
> 
> $ /opt/crosstool/gcc-4.3.2-nolibc/bin/s390x-linux-ar --version
> GNU ar (GNU Binutils) 2.19
> 
> I presume that this version of ar is now too old to build the kernel?
> Documentation/Changes only mentions Binutils verion 2.12.

This actually broke nearly all my overnight builds.  Version 2.19.1 is also
not new enough, but 2.20 is ok.

I am going to have to try to revert that commit today or go back to the
kbuild tree from next-20110418.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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