linux-kernel - Re: [PATCH] kbuild: setlocalversion: print error to STDERR

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Message-ID: <20160620153845.GA11949@sepie.suse.cz>
Date:	Mon, 20 Jun 2016 17:38:45 +0200
From:	Michal Marek <mmarek@...e.com>
To:	Wolfram Sang <wsa@...-dreams.de>
Cc:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kbuild: setlocalversion: print error to STDERR

On Mon, Jun 06, 2016 at 09:00:38PM +0200, Wolfram Sang wrote:
> I tried to use 'make O=...' from an unclean source tree. This triggered
> the error path of setlocalversion. But by printing to STDOUT, it created
> a broken localversion which then caused another (unrelated) error:
> 
> "4.7.0-rc2Error: kernelrelease not valid - run make prepare to update it" exceeds 64 characters
> 
> After printing to STDERR, the true build error gets displayed later:
> 
>   /home/wsa/Kernel/linux is not clean, please run 'make mrproper'
>   in the '/home/wsa/Kernel/linux' directory.
> 
> Signed-off-by: Wolfram Sang <wsa@...-dreams.de>
> ---
>  scripts/setlocalversion | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Thanks, applied to kbuild.git#kbuild. But this points at another
problem, namely that filechk is ignoring the exit status of the command.

Michal