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Date: Thu, 23 Oct 2014 10:50:37 +0200
From: Michal Marek <mmarek@suse.cz>
MIME-Version: 1.0
Subject: Re: [PATCH] kbuild: Fix output of make kernelrelease
References: <20141022101944.70d637cc@gandalf.local.home>	<20141022194408.GA20989@pobox.suse.cz> <20141022163507.6e2162d1@gandalf.local.home>
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To: Steven Rostedt <rostedt@goodmis.org>
Cc: LKML <linux-kernel@vger.kernel.org>, Masahiro Yamada <yamada.m@jp.panasonic.com>, Peter Foley <pefoley2@pefoley.com>, linux-kbuild@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>

On 2014-10-22 22:35, Steven Rostedt wrote:
> On Wed, 22 Oct 2014 21:44:08 +0200
> Michal Marek <mmarek@suse.cz> wrote:
> 
>> Dne 22.10.2014 v 16:19 Steven Rostedt napsal(a):
>>>
>>> Commit 7ff525712acf "kbuild: fake the "Entering directory ..." message
>>> more simply" changed the output of "make kernelrelease" such that the
>>> kernel release version was not the last line printed. This broke various
>>> tools that would find the kernel release with "make kernelrelease | tail -1".
>>
>> The cleaner and recommended (see recent make help) way is to use make -s:
>>
>> $ make O=build -s kernelrelease
>> 3.18.0-rc1+
> 
> Hmm, I see the help index was recently updated to include that.
> 
> Does this work with older kernels too? That's very important.

Yes. Except for a few bugs in the history, make -s has always been silent.

Michal