linux-kernel - Re: [PATCH] Kbuild: remove extra ifdef/endif of top Makefile

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Date:	Fri, 5 Jun 2009 23:56:11 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Cheng Renquan <crq@...a.kernel.org>
Cc:	linux-kbuild@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, crquan@...il.com
Subject: Re: [PATCH] Kbuild: remove extra ifdef/endif of top Makefile

On Tue, May 26, 2009 at 04:03:07PM +0800, Cheng Renquan wrote:
> From: Cheng Renquan <crq@...nel.org>
> 
> The GNU make's origin function know undefined variable well,
> so the outer ifdef/endif is unneeded.
> 
> I've checked the minimal requirements from Documentation/Changes
> is GNU make 3.79.1, and that version of GNU make has support of
> origin function already, so now it's safe to kill the outer
> conditional checking, without upgrading the minimal requirements.

Applied with V2 of your description,

	Sam
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