linux-kernel - Re: [PATCH] kbuild: Don't pass -rR to selftest makefiles

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Message-ID: <54FF809F.7020205@osg.samsung.com>
Date:	Tue, 10 Mar 2015 17:39:11 -0600
From:	Shuah Khan <shuahkh@....samsung.com>
To:	Michael Ellerman <mpe@...erman.id.au>
CC:	mmarek@...e.cz, linux-kernel@...r.kernel.org,
	davej@...emonkey.org.uk, linux-api@...r.kernel.org
Subject: Re: [PATCH] kbuild: Don't pass -rR to selftest makefiles

On 03/10/2015 05:36 PM, Michael Ellerman wrote:
> On Mon, 2015-03-09 at 16:49 -0600, Shuah Khan wrote:
>> On 03/09/2015 08:28 AM, Shuah Khan wrote:
>>> On 03/04/2015 03:19 AM, Michael Ellerman wrote:
>>>> The makefiles under tools/testing/selftests are not real kbuild
>>>> makefiles, they are regular stand alone makefiles. As such they *do*
>>>> want all the standard implicit rules and variables defined.
>>>>
>>>> So before calling those makefiles, filter -rR out of MAKEFLAGS.
>>>>
>>>> Without this not all the selftests are built correctly when called via
>>>> the top-level Makefile.
>>>>
>>>> Signed-off-by: Michael Ellerman <mpe@...erman.id.au>
>>>
>>> Hi Michal,
>>>
>>> Could you please take this patch in your tree.
>>>
>>> Acked-by: Shuah Khan <shuahkh@....samsung.com>
>>>
>>
>> I am changing this to a Nack. This is not fully cooked.
>> I am seeing new failures on some tests.
>>
>> gcc: error: elf_x86_64: No such file or directory
>> gcc: error: unrecognized command line option ‘-m’
> 
> I can't reproduce that here. In what way do you think it's related to this
> patch?
> 
> cheers

I have just your patch on tops of linux 4.0-rc3 and ran
make kselftest and that's what I see.

If you can fix this problem I can take your patch, otherwise,
I have to go with individual Makefiles fixes.

-- Shuah


-- 
Shuah Khan
Sr. Linux Kernel Developer
Open Source Innovation Group
Samsung Research America (Silicon Valley)
shuahkh@....samsung.com | (970) 217-8978
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