linux-kernel - Re: Regression in "kbuild: fix if_change and friends to consider argument order"

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Message-ID: <57718823.9030009@suse.com>
Date:	Mon, 27 Jun 2016 22:10:11 +0200
From:	Michal Marek <mmarek@...e.com>
To:	Thorsten Leemhuis <regressions@...mhuis.info>,
	"Zanoni, Paulo R" <paulo.r.zanoni@...el.com>
Cc:	"linux-kbuild@...r.kernel.org" <linux-kbuild@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"yamada.masahiro@...ionext.com" <yamada.masahiro@...ionext.com>,
	"mmarek@...e.cz" <mmarek@...e.cz>,
	"nicolas.pitre@...aro.org" <nicolas.pitre@...aro.org>
Subject: Re: Regression in "kbuild: fix if_change and friends to consider
 argument order"

Dne 26.6.2016 v 12:43 Thorsten Leemhuis napsal(a):
> On 09.06.2016 01:29, Zanoni, Paulo R wrote:
>> Em Ter, 2016-06-07 às 23:52 +0200, Michal Marek escreveu:
>>> On Tue, Jun 07, 2016 at 02:10:28PM +0000, Zanoni, Paulo R wrote:
>>> From b36fad65d61fffe4b662d4bfb1ed673c455a36a2 Mon Sep 17 00:00:00
>>> 2001
>>> From: Michal Marek <mmarek@...e.com>
>>> Date: Tue, 7 Jun 2016 11:57:02 +0200
>>> Subject: [PATCH] kbuild: Initialize exported variables
>>>
>>> The NOSTDINC_FLAGS variable is exported, so it needs to be cleared to
>>> avoid duplicating its content when running make from within make
>>> (e.g.
>>> in the packaging targets). This became an issue after commit
>>> 9c8fa9bc08f6 ("kbuild: fix if_change and friends to consider argument
>>> order"), which no longer ignores the duplicate options. As Paulo
>>> Zanoni
>>> points out, the LDFLAGS_vmlinux variable has the same problem.
>>>
>>> Reported-by: "Zanoni, Paulo R" <paulo.r.zanoni@...el.com>
>>> Fixes: 9c8fa9bc08f6 ("kbuild: fix if_change and friends to consider
>>> argument order")
>>> Signed-off-by: Michal Marek <mmarek@...e.com>
>> Works for me.
>> Tested-by: Paulo Zanoni <paulo.r.zanoni@...el.com>
> 
> Michal, what's the status here? This made it on my 4.7 regressions
> report due to the "regression" keyword in the subject.

I forgot to send it to Linus, fixed now. Thanks for the reminder.

Michal