linux-kernel - Re: REGRESSION: Re: [GIT] kconfig rc fixes

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Date:	Wed, 3 Nov 2010 22:31:42 -0400
From:	Arnaud Lacombe <lacombar@...il.com>
To:	Mauro Carvalho Chehab <mchehab@...hat.com>
Cc:	Michal Marek <mmarek@...e.cz>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	kyle@...hat.com, linux-kbuild@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Linux Media Mailing List <linux-media@...r.kernel.org>
Subject: Re: REGRESSION: Re: [GIT] kconfig rc fixes

Hi,

On Wed, Nov 3, 2010 at 6:29 PM, Mauro Carvalho Chehab
<mchehab@...hat.com> wrote:
> Em 09-10-2010 18:40, Michal Marek escreveu:
>>
>> Arnaud Lacombe (1):
>>       kconfig: delay symbol direct dependency initialization
>
> This patch generated a regression with V4L build. After applying it,
> some Kconfig dependencies that used to work with V4L Kconfig broke.
>
of course, but they were all-likely buggy. If a compiler version N
outputs a new legitimate warning because of a bug in the code, you do
not switch back to the previous version because the warning wasn't
there, you fix the code.

That said, please point me to a false positive, eventually with a
minimal testcase, and I'll be happy to fix the issue.

 - Arnaud

> Basically, we have things there like:
>
> config VIDEO_HELPER_CHIPS_AUTO
>        bool "Autoselect pertinent encoders/decoders and other helper chips"
>
> config VIDEO_IVTV
>        select VIDEO_WM8739 if VIDEO_HELPER_CHIPS_AUTO
>
> menu "Encoders/decoders and other helper chips"
>        depends on !VIDEO_HELPER_CHIPS_AUTO
>
> config VIDEO_WM8739
>        tristate "Wolfson Microelectronics WM8739 stereo audio ADC"
>
this is broken.
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