Re: Linux kernel cross-compilers

From: Max Filippov
Date: Fri Aug 16 2013 - 05:45:05 EST


>> Guenter,
>> can you share a complete build log with V=1?
>>
>
> http://roeck-us.net/linux/logs/make.xtensa.log.bad
> http://roeck-us.net/linux/logs/make.xtensa.log.ok
>
> Key difference: the failing command in the bad case is
> xtensa-linux-objcopy -O elf32-xtensa-le
> and in the good case
> xtensa-linux-objcopy -O elf32-xtensa-be
>
> Same compiler (4.6.3 from kernel.org), same configuration file, same command
> line.
> Configuration file is generated from defconfig, and the resulting .config
> file
> is the same in both cases.
>
> If I execute make and expicitly set BIG_ENDIAN=1 on the failing system as
> parameter to it,
> it works fine. If I set BIG_ENDIAN=0 on the passing system, it fails.
>
> I am puzzled. Guess there must be something different, but I have no idea
> what it might be.

What is the output of

echo -e __XTENSA_EB__ | xtensa-linux-gcc -E -

on the failing system?

--
Thanks.
-- Max
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