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

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Date:	Sun, 20 Feb 2011 12:00:47 -0800
From:	Joe Perches <joe@...ches.com>
To:	Borislav Petkov <bp@...en8.de>
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, 2011-02-20 at 20:39 +0100, Borislav Petkov wrote:
> diff --git a/scripts/Makefile.build b/scripts/Makefile.build
> +# make W=1 settings
> +ifdef KBUILD_ENABLE_EXTRA_GCC_CHECKS

ifeq ($(KBUILD_ENABLE_EXTRA_GCC_CHECKS),1)

> +EXTRA_CFLAGS += -Wextra -Wno-unused

Why add -Wno-unused ?

If it's because of verbosity, maybe

ifeq ($(KBUILD_ENABLE_EXTRA_GCC_CHECKS),2)
EXTRA_CFLAGS += -Wunused
endif

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