[Buildroot] [PATCH 1/1] perl: update config.{sub, guess} using autotools hook

[François Perrad]

2016-10-25 23:36 GMT+02:00 Thomas Petazzoni
<thomas.petazzoni at free-electrons.com>:
> Hello,
>
> On Tue, 25 Oct 2016 23:21:09 +0200, Erico Nunes wrote:
>> perl may fail to build on newer host architectures such as aarch64 due
>> to its inability to guess the host architecture to build 'miniperl',
>> which is built during the process. An error message looks like this:
>>
>>   Configuring build-time miniperl for unknown
>>   ERROR: No $target defined (?!)
>>   ERROR: configure --mode=buildmini failed
>>
>> This happens because the config.sub and config.guess files from perl are
>> not modified and may become outdated.
>> These files are normally updated automatically by a Buildroot hook for
>> autotools packages, to avoid problems like these.
>> Although perl uses the config.sub and config.guess files, it is not a
>> strict autotools package, so it is not defined as an "autotools-package"
>> in Buildroot and so it doesn't inherit the hook.
>> This commit makes perl borrow the hook from the autotools infrastructure
>> so that it can build on newer build architectures.
>> This has been tested by building it on an aarch64 host machine.
>>
>> Signed-off-by: Erico Nunes <nunes.erico at gmail.com>
>
> Please use the get-developers script when sending patches, so that the
> appropriate developers are CC'ed. In this case, François should have
> been CC'ed.
>
> François, can you have a look at Erico's patch? See
> https://patchwork.ozlabs.org/patch/686713/.
>

This hook updates `cnf/config.sub` and `cnf/config.guess`, 2 files
which come from perl-cross (not from perl).
So, the title of the patch could be improved by :
    [1/1] perl: update cnf/config.{sub, guess} using autotools hook

Acked-by: Francois Perrad <francois.perrad at gadz.org>

François

> Thanks,
>
> Thomas
> --
> Thomas Petazzoni, CTO, Free Electrons
> Embedded Linux and Kernel engineering
> http://free-electrons.com
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