Re: [PATCH 0/3] check-uapi: improve portability for testing headers

[Nathan Chancellor <nathan@kernel.org>]

On Fri, Mar 06, 2026 at 05:33:06PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
> 
> While working on a series to clean up some uapi headers, I needed
> to check the that the actual ABI remains unchanged. I found that
> scripts/check-uapi.sh works well enough for architectures that have a
> full toolchain installed, but not with the nolibc compilers I provide
> on kernel.org.
> 
> I ended up with a series addressing three separate issues here, but in
> the end I can now validate ABI changes across all supported architectures
> and ABIs.
> 
> The third patch depends on a series from Thomas Weißschuh that was
> just merged into the kbuild-for-next tree, the other ones could
> also apply to older kernels. I have marked the second patch for
> backports to stable kernels, this one is what caused me the most
> work in debugging.
> 
>     Arnd
> 
> Arnd Bergmann (3):
>   check-uapi: link into shared objects
>   check-uapi: honor ${CROSS_COMPILE} setting
>   check-uapi: use dummy libc includes

Acked-by: Nathan Chancellor <nathan@kernel.org>

I assume that the shared objects change does not impact catching ABI
differences?

Cheers,
Nathan