linux-kernel - Re: [PATCH, v2] kbuild: Improve version string logic - two for the price of one

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Date:	Tue, 8 Jun 2010 16:21:08 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Boaz Harrosh <bharrosh@...asas.com>
Cc:	David Rientjes <rientjes@...gle.com>, Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Frans Pop <elendil@...net.nl>,
	Dirk Hohndel <hohndel@...radead.org>,
	Len Brown <lenb@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH, v2] kbuild: Improve version string logic - two for the price of one - No thanks

On Tue, Jun 08, 2010 at 10:16:39AM +0300, Boaz Harrosh wrote:
> On 06/08/2010 09:39 AM, Boaz Harrosh wrote:
> > On 06/08/2010 09:34 AM, Paul Mundt wrote:
> >> On Mon, Jun 07, 2010 at 11:18:42PM -0700, David Rientjes wrote:
> >>> On Tue, 8 Jun 2010, Boaz Harrosh wrote:
> >>>
> >>>>>> I already have my:
> >>>>>>  VERSION = 2
> >>>>>>  PATCHLEVEL = 6
> >>>>>>  SUBLEVEL = 35
> >>>>>> -EXTRAVERSION = -rc2
> >>>>>> +EXTRAVERSION = -rc2-my_tree
> >>>>>>
> >>>>>
> >>>>> You shouldn't be using EXTRAVERSION for this purpose, you should be 
> >>>>> passing LOCALVERSION=my_tree to make.
> >>>>>
> >>>>
> >>>> That will not work because the way I run make is out of my control. Every
> >>>> one in the working group has his system. The Makefile is part of the
> >>>> public git tree, so every one will get the same identification without
> >>>> any confusion with Vanilla kernel, or what was compiled.
> >>>>
> >>>
> >>> If everyone using that tree wants the same version string for that kernel, 
> >>> use CONFIG_LOCALVERSION="-my_tree" in your .config and use "make 
> >>> LOCALVERSION=".
> >>>
> >> Or just distribute a localversion-my_tree file in the top-level directory
> >> like other trees do. This doesn't strike me as a particularly significant
> >> problem.
> > 
> 
> 
> I can't manage to work this out. Here is what I did please, what did I do wrong:
> [my-tree] $ git checkout v2.6.35-rc2
> [my-tree] $ touch localversion-my_tree

It's not frightfully intuitive, you have to have the string in the file.
So simply doing:

$ echo "-my_tree" > localversion-my_tree

ought to work fine for your case.
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