Re: avr32 build failures in linux-next

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From	Guenter Roeck <linux@roeck-us.net>
Newsgroups	linux.kernel
Subject	Re: avr32 build failures in linux-next
Date	Sat, 06 Feb 2016 17:00:03 +0100
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On 02/06/2016 03:57 AM, Hans-Christian Noren Egtvedt wrote:
> Around Fri 05 Feb 2016 22:02:12 +0530 or thereabout, Sudip Mukherjee wrote:
>> On Friday 05 February 2016 09:32 PM, Guenter Roeck wrote:
>>> Hi,
>>>
>>> I am getting persistent build failures with av32 in linux-next.
>>
>> me too.
>
> linux-next is Torvalds master branch?
>

No. We are talking about
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git

>>> Example for avr32:defconfig:
>>>
>>> fs/built-in.o: In function `anon_inode_getfile':
>>> (.text+0x2ae90): relocation truncated to fit: R_AVR32_21S against
>>> `.text'+296c0
>>>
>>> All builds but avr32:allnoconfig fail with such truncated relocations.
>
> Weirdly I do not get this when I build torvalds/master with allnoconfig.
>
> The avr32 kernel was never very fond of CONFIG_CC_OPTIMIZE_FOR_SIZE=n, it
> was always built with CONFIG_CC_OPTIMIZE_FOR_SIZE=y for actual usage.
>
>>> Toolchain used is the old gcc 4.2.4 toolchain from kernel.org. I have been
>>> unable to find or build newer versions of gcc for avr32.
>>>
>>> Does anyone know if a more recent toolchain for avr32 is available ?
>>
>> https://sourceware.org/ml/crossgcc/2015-10/msg00050.html
>> says avr32 has been depreciated.
>
> Last release of avr32-linux GCC was the 4.2.4 patches in Buildroot for AVR32.
>
> Atmel never upstreamed the AVR32 patches for GCC.
>
>>> Another question is if the avr32 kernel still supported, or if I should
>>> just stop trying to build test it. Any thoughts ?
>>
>> I have already stopped building it.
>
> I build the kernel and try to fix small issues here and there.
>
> If it is too unstable for you in the test bench, feel free to remove it.
>

I'll keep building it for now, until it fails to build in mainline.

Guenter

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Thread

avr32 build failures in linux-next Guenter Roeck <linux@roeck-us.net> - 2016-02-05 17:10 +0100
  Re: avr32 build failures in linux-next Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2016-02-05 17:40 +0100
    Re: avr32 build failures in linux-next Hans-Christian Noren Egtvedt <egtvedt@samfundet.no> - 2016-02-06 13:00 +0100
      Re: avr32 build failures in linux-next Måns Rullgård <mans@mansr.com> - 2016-02-06 15:10 +0100
        Re: avr32 build failures in linux-next Guenter Roeck <linux@roeck-us.net> - 2016-02-06 17:20 +0100
          Re: avr32 build failures in linux-next Måns Rullgård <mans@mansr.com> - 2016-02-06 18:30 +0100
            Re: avr32 build failures in linux-next Andy Shevchenko <andy.shevchenko@gmail.com> - 2016-02-08 17:10 +0100
              Re: avr32 build failures in linux-next Guenter Roeck <linux@roeck-us.net> - 2016-02-09 05:10 +0100
      Re: avr32 build failures in linux-next Guenter Roeck <linux@roeck-us.net> - 2016-02-06 17:00 +0100

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