linux-kernel - Re: GIT head doesn't seem to want to build on 32bit..

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Message-ID: <20081219220859.GA3784@uranus.ravnborg.org>
Date:	Fri, 19 Dec 2008 23:08:59 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org
Subject: Re: GIT head doesn't seem to want to build on 32bit..

On Fri, Dec 19, 2008 at 11:02:10PM +0100, Sam Ravnborg wrote:
> On Wed, Dec 17, 2008 at 10:07:27AM +0000, Alan Cox wrote:
> > 
> > > Smells like a kbuild issue.
> > > Please copy me and linux-kbuild@...r.kernel.org on any findings.
> > > 
> > > [My 64 bit toolchain is br0ken atm so I could not try to reproduce]
> > 
> > Yes I do indeed need to build x86_64 first, then make distclean or
> > mrproper and then 32bit build fails
> 
> Hi Alan.
> 
> Can I ask you to persuade this a bit more?
> 
> 1) when it fails try using "make V=1" and post the command executed.
> 1a) Do the same when it works and compare the two
> 2) try to do: make path/file.i and check if the generated .i file
>    differ when it fails and when it is ok.
> 
> Other than that I have no ideas for the moment.

One additional request.
Can you check if your .config differ when it fails and when it succeeds.

[The code fails due to DECLARE_PER_CPU() does not do it's job I think].

Thanks,
	Sam
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