linux-kernel - Re: [PATCH 2/2] Enable 'make CONFIG

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Date:	Wed, 10 Aug 2011 17:33:05 +0100
From:	David Woodhouse <dwmw2@...radead.org>
To:	Arnaud Lacombe <lacombar@...il.com>
Cc:	Michal Marek <mmarek@...e.cz>, "H. Peter Anvin" <hpa@...or.com>,
	linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org
Subject: Re: [PATCH 2/2] Enable 'make CONFIG_FOO=y oldconfig'

On Wed, 2011-08-10 at 10:34 -0400, Arnaud Lacombe wrote:
> your point being ? I might as well tell you that I find the current
> behavior of 'all*.config' just as broken wrt. to dependency
> management.

You might indeed. And I would find that commentary just as irrelevant
and unhelpful.

> > If you have nothing relevant to say, just don't say anything.
> >
> maybe you can come with a detailed description of your proposal's
> behavior, including how to manage case like this, instead of just
> throwing patch around ?

How's this for a definition:

"The behaviour for unsettable (or unclearable) options shall be exactly
like it already is if you put them in all*.config, or if you manually
edit the .config file and run 'make oldconfig', as people have been
doing for years. There is nothing new to see here."

> If I do:
> 
> # make CONFIG_WIRELESS_EXT=y allnoconfig
> 
> I expect either a success or an error, not a silent discard. And
> *yes*, the problem already exists with "all*.config".

[dwmw2@i7 linux-2.6]$ make CONFIG_WIRELESS_EXT=y allnoconfig
scripts/kconfig/conf --allnoconfig Kconfig
#
# Could not set CONFIG_WIRELESS_EXT=y; perhaps it has unmet dependencies?
#
#
# configuration written to .config
#

-- 
dwmw2

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