linux-kernel - Re: [PATCH 0/2] v4 kconfig: place git SHA1 in .config output if in SCM

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Message-ID: <4B951143.1050807@suse.cz>
Date:	Mon, 08 Mar 2010 16:01:23 +0100
From:	Michal Marek <mmarek@...e.cz>
To:	paulmck@...ux.vnet.ibm.com
Cc:	linux-kernel@...r.kernel.org, zippel@...ux-m68k.org, mingo@...e.hu,
	akpm@...ux-foundation.org, torvalds@...ux-foundation.org,
	geert@...ux-m68k.org, elendil@...net.nl, cloos@...loos.com
Subject: Re: [PATCH 0/2] v4 kconfig: place git SHA1 in .config output if in
 SCM

On 5.3.2010 20:43, Paul E. McKenney wrote:
> This patch appends the localversion string to the Linux kernel version.
> For example, in a git tree with uncommitted changes, the .config file
> might start as follows (but with leading hash marks):
> 
> 	Automatically generated make config: don't edit
> 	Linux kernel version: 2.6.33-01836-g90a6501-dirty
> 	Mon Mar  1 17:05:59 2010
> 
> The "-01836-g90a6501-dirty" string is added by this patch.

kbuild in linux-next already has
commit 85a256d8e0116c8f5ad276730830f5d4d473344d
Author: David Rientjes <rientjes@...gle.com>
Date:   Wed Jan 13 13:01:05 2010 -0800

    kbuild: improve version string logic

which results in a scripts/setlocalversion call during each build. And
with CONFIG_LOCALVERSION_AUTO, it stores exactly the string you want in
include/config/kernel.release. So we could change kconfig to read that
file instead of building the version string again. To also cover the
!CONFIG_LOCALVERSION_AUTO case, we can add a
include/config/kernel.release.full file to hold the full string each time.

Sorry for jumping in so late in the discussion, I had a bit of backlog
in mail directed to me and linux-kbuild@...r.kernel.org, let alone LKML ;).

Michal
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