linux-kernel - Re: [PATCH 2/2] Makefile: "make kernelrelease" should show the correct full kernel version

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Message-ID: <4C6BA077.2080306@redhat.com>
Date:	Wed, 18 Aug 2010 16:57:27 +0800
From:	Cong Wang <amwang@...hat.com>
To:	Brice Goglin <Brice.Goglin@...ia.fr>
CC:	linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org,
	David Rientjes <rientjes@...gle.com>,
	Michal Marek <mmarek@...e.cz>
Subject: Re: [PATCH 2/2] Makefile: "make kernelrelease" should show the correct
 full kernel version

On 08/18/10 16:38, Brice Goglin wrote:
> Le 18/08/2010 10:10, Cong Wang a écrit :
>> On 08/18/10 15:15, Brice Goglin wrote:
>>> This patch (actually 01ab17887 in 2.6.36-rc1) reveals what looks like a
>>> problem to me: make kernelrelease always regenerates
>>> include/config/kernel.release even if it's already more recent than
>>> include/config/auto.conf. Is this the expected behavior? Do we really
>>> need include/config/kernel.release to depend on FORCE?
>>>
>>
>> I think so, because "LOCALVERSION=" can be given from command line,
>> so we need to regenerate it.
>>
>> Or am I missing your point here?
>>
>
> Interesting. I assumed "make kernelrelease" was mainly here to display
> the release string (which means you would not need write access to the
> kernel build dir). And indeed make help says:
>    kernelrelease      - Output the release version string
> Right now, it looks like "update the version string and by the way
> display it too" (and you need write access).
>

I believe you will also need write access even without this patch,
if you compile a fresh kernel. So your assumption is not correct.

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