linux-kernel - Re: [RFC PATCH 1/2] scripts/kconfig/Makefile: Allow KBUILD

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Date:	Thu, 1 Oct 2015 08:50:14 +0200
From:	Michal Marek <mmarek@...e.com>
To:	Michael Ellerman <mpe@...erman.id.au>
Cc:	linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org,
	linux-kbuild@...r.kernel.org, yann.morin.1998@...e.fr
Subject: Re: [RFC PATCH 1/2] scripts/kconfig/Makefile: Allow KBUILD_DEFCONFIG
 to be a target

On 2015-10-01 08:14, Michael Ellerman wrote:
> On Fri, 2015-09-25 at 22:46 +0200, Michal Marek wrote:
>> Dne 24.9.2015 v 00:16 Michael Ellerman napsal(a):
>>>
>>>
>>> On 23 September 2015 19:50:52 GMT+10:00, Michal Marek
>>> <mmarek@...e.com> wrote:
>>>> On 2015-09-23 07:40, Michael Ellerman wrote:
>>>>> +else ifneq ($(wildcard
>>>> arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
>>>>> @$(kecho) "*** Default configuration is based on
>>>> '$(KBUILD_DEFCONFIG)'"
>>>>> $(Q)$< $(silent)
>>>> --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
>>>>> +else +	@$(kecho) "*** Default configuration is based on target
>>>> '$(KBUILD_DEFCONFIG)'"
>>>>> +	$(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG) endif
>>>>
>>>> What is the anticipated usage of this? The patch is not needed to
>>>> make
>>>>
>>>> make ppc64le_defconfig
>>>>
>>>> work with the second patch. If it was, this would create a loop
>>>> anyway.
>>>
>>> The idea is to make 'make defconfig' work when KBUILD_DEFCONFIG is
>>> ppc64le_defconfig (which happens for us when uname returns ppc64le)
>>> and additionally when ppc64le_defconfig is not a real file.
>>
>> Ah, that makes sense. You can add
>>
>> Acked-by: Michal Marek <mmarek@...e.com>
>>
>> if you want.
> 
> Thanks. I'll assume by that you mean you're happy if I take both patches
> through the powerpc tree.

Yes, I assumed that this was your plan.

Michal

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