linux-kernel - Re: [PATCH] kbuild: Add extra gcc checks

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Message-ID: <20110221022707.GB18332@liondog.tnic>
Date:	Mon, 21 Feb 2011 03:27:07 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Joe Perches <joe@...ches.com>
Cc:	Sam Ravnborg <sam@...nborg.org>, Michal Marek <mmarek@...e.cz>,
	torvalds@...ux-foundation.org, x86@...nel.org,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	linux-kbuild@...r.kernel.org
Subject: Re: [PATCH] kbuild: Add extra gcc checks

On Sun, Feb 20, 2011 at 12:00:47PM -0800, Joe Perches wrote:
> > +EXTRA_CFLAGS += -Wextra -Wno-unused
> 
> Why add -Wno-unused ?
> 
> If it's because of verbosity, maybe

Nah, it's because it is too noisy and spits too many false positives.
For example, it reports the arguments of all those stubs from the
headers which are provided for the else-branch of a CONFIG_* option,
etc.

-- 
Regards/Gruss,
    Boris.
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