linux-kernel - Re: [PATCH, v2] kbuild: Improve version string logic

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Date:	Wed, 14 Oct 2009 00:42:44 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Ingo Molnar <mingo@...e.hu>
cc:	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

On Wed, 14 Oct 2009, Ingo Molnar wrote:

> > Regardless of future improvements, I think my two patches allow the 
> > kernel version to more accurately describe what is running.  That is 
> > predicated on my belief that "v2.6.32-rc4", though, should never 
> > describe _anything_ except the kernel.org v2.6.32-rc4 kernel.
> 
> I agree with all that - in fact i started this thread by stating that 
> view and suggesting the '+' extension to the short version name.
> 

Yeah, my patches build upon the base that you originally proposed.  I like 
the `+' suffix for configs with CONFIG_LOCALVERSION_AUTO that aren't 
vanilla kernels.

> But there's been packaging related objections from Frans and others, and 
> i suspect you'll need to answer/address those instead of further 
> detailing the virtues of proper version names (which i still 100% agree 
> with).
> 

We could easily go with my suggestion of allowing "make LOCALVERSION=" to 
override all additions to the kernel version when CONFIG_LOCALVERSION_AUTO 
is disabled.  For such configurations, kernels would be built with this 
variable to specify how it's different from the vanilla version and would 
suppress the `+'.

Frans and others, how does adding a unique string passed by the user for a 
more descriptive kernel version interact poorly with certain packaging 
requirements?
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