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

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Message-ID: <FE248B88-D584-4E66-A59F-B2A2C254000C@ellerman.id.au>
Date:	Thu, 24 Sep 2015 08:16:37 +1000
From:	Michael Ellerman <michael@...erman.id.au>
To:	Michal Marek <mmarek@...e.com>,
	Michael Ellerman <mpe@...erman.id.au>, linuxppc-dev@...abs.org
CC:	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 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.

It doesn't work currently, but does with these two patches applied.

cheers

-- 
Sent from my Android phone with K-9 Mail. Please excuse my brevity.
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