linux-kernel - Re: linux-next: build warning after merge of the kbuild tree

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Message-ID: <10763.1304349435@localhost>
Date:	Mon, 02 May 2011 11:17:15 -0400
From:	Valdis.Kletnieks@...edu
To:	Michal Marek <mmarek@...e.cz>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Dave Jones <davej@...hat.com>, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, Sam Ravnborg <sam@...nborg.org>
Subject: Re: linux-next: build warning after merge of the kbuild tree

On Mon, 02 May 2011 13:13:37 +0200, Michal Marek said:

> +# We test for support of the -Wunused-but-set-variable option, because
> +# some version of gcc will happily accept any -Wno-* switch and complain
> +# later during build.
> +ifeq ($(call cc-option-yn, -Wunused-but-set-variable), y)
> +KBUILD_CFLAGS += -Wno-unused-but-set-variable
> +endif

Do we need to do this more generically for all the other -Wno-foo
options under the various W={123} options?

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