[yocto] Kernel 3.14.28 (imx duallite) will compile under 1.7, but not under 2.0-2.1

[Paul Knopf]

Maybe it has something to do with a different make version in the newer
versions of Yocto? Maybe this link is relevant?
https://github.com/zanezam/boeffla-kernel-cm-bacon/commit/ef4fea130eeb70eff4f3a549fd3f6e9b11437550

On Tue, May 10, 2016 at 10:22 PM Paul Knopf <pknopf at medxchange.com> wrote:

> I am trying to update my BSP to work with the latest releases of Yocto,
> however, I can't even compile the kernel with the same
> defconfig/commit/repo.
>
> It works on 1.7, but not under 2.0. Here are the do_compile run and log
> for each version of yocto.
> https://gist.github.com/anonymous/3222e0a10ba1bca1f7a7316879d1704d
>
> -------
> make[3]: *** [arch/arm/mm/built-in.o] Error 1
> make[2]: *** [arch/arm/mm] Error 2
>   AS      arch/arm/kernel/sigreturn_codes.o
>   CC      arch/arm/kernel/stacktrace.o
> /home/pknopf/Git/recipes/build/tmp/work-shared/seco-uq7-dl-256mbx4/kernel-source/arch/arm/kernel/return_address.c:63:2:
> warning: #warning "TODO: return_address should use unwind tables" [-Wcpp]
>  #warning "TODO: return_address should use unwind tables"
>   ^
> /home/pknopf/Git/recipes/build/tmp/work-shared/seco-uq7-dl-256mbx4/kernel-source/arch/arm/kernel/return_address.c:66:7:
> error: redefinition of 'return_address'
>  void *return_address(unsigned int level)
>        ^
> In file included from
> /home/pknopf/Git/recipes/build/tmp/work-shared/seco-uq7-dl-256mbx4/kernel-source/include/linux/ftrace.h:20:0,
>                  from
> /home/pknopf/Git/recipes/build/tmp/work-shared/seco-uq7-dl-256mbx4/kernel-source/arch/arm/kernel/return_address.c:12:
> /home/pknopf/Git/recipes/build/tmp/work-shared/seco-uq7-dl-256mbx4/kernel-source/arch/arm/include/asm/ftrace.h:48:21:
> note: previous definition of 'return_address' was here
>  extern inline void *return_address(unsigned int level)
>                      ^
> make[3]: *** [arch/arm/kernel/return_address.o] Error 1
> make[3]: *** Waiting for unfinished jobs....
> make[2]: *** [arch/arm/kernel] Error 2
> make[1]: *** [sub-make] Error 2
> -------
>
> Any idea why update Yocto would cause this build error?
> --
>
> Thanks,
> Paul Knopf
> Software Engineer
> Med X Change, Inc
> pknopf at medxchange.com
>
-- 

Thanks,
Paul Knopf
Software Engineer
Med X Change, Inc
pknopf at medxchange.com
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