linux-kernel - Re: [PATCH v3.2] kbuild: implement several W= levels

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Date:	Wed, 27 Apr 2011 22:46:07 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Joe Perches <joe@...ches.com>
Cc:	Borislav Petkov <bp@...en8.de>, Michal Marek <mmarek@...e.cz>,
	linux-kbuild <linux-kbuild@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Dave Jones <davej@...hat.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: Re: [PATCH v3.2] kbuild: implement several W= levels

On Wed, Apr 27, 2011 at 01:21:00PM -0700, Joe Perches wrote:
> On Wed, 2011-04-27 at 22:15 +0200, Borislav Petkov wrote:
> > From: Sam Ravnborg <sam@...nborg.org>
> []
> > +warning-1 += -Wold-style-definition
> > +warning-1 += $(call cc-option, -Wmissing-include-dirs)
> 
> Only thing I would suggest is a comment describing why
> some entries use $(call cc-option, -Wfoo) and others don't.
> 
> Something akin to:
> 
> # Use call cc-option when the minimum supported gcc version does not
> # support a specific option but a later gcc version does.

>From the patch:
+# $(call cc-option, -W...) handles gcc -W.. options which
 # are not supported by all versions of the compiler

So it is already included.

	Sam
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