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List:       linux-kbuild
Subject:    Re: Blocking allmodconfig with missing defaults (was: Re: kbuild: Fix missing '\n' for NEW symbols i
From:       Michal Marek <mmarek () suse ! cz>
Date:       2013-05-23 10:36:18
Message-ID: 519DF122.5020802 () suse ! cz
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On 23.5.2013 11:52, Geert Uytterhoeven wrote:
> On Wed, Feb 27, 2013 at 9:37 PM, Linux Kernel Mailing List
> <linux-kernel@vger.kernel.org> wrote:
>> Gitweb:     http://git.kernel.org/linus/;a=commit;h=62dc989921df2a98d1a73aacd085abe941cb9828
>>
>>     According to Documentation/kbuild/kconfig.txt, the commands:
>>
>>         yes "" | make oldconfig >conf.new
>>         grep "(NEW)" conf.new
>>
>>     should list the new config symbols with their default values.
> 
> There are other cases where this is not working.
> If there are int or hex symbols without a default value, "allmodconfig",
> "allyesconfig", "allnoconfig", and "randconfig" fill in empty string values,
> causing a subsequent build (which does oldconfig) to wait for user input.
> 
> This is easy to reproduce:
>     make ARCH=h8300 allmodconfig
>     make ARCH=h8300 oldconfig
> 
> Should kconfig generate default values for these cases?

Yes, I think that we should generate a default of 0 / 0x0 or the lower
bound of the range, if specified.

Michal
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