[PATCH 0/5] add portable version of __builtin_add_overflow

[Stephen Hemminger]

On Thu,  2 Jan 2025 14:32:43 -0800
Andre Muezerie <andremue at linux.microsoft.com> wrote:

> __builtin_add_overflow is gcc specific. There's a need for a portable
> version that can also be used with other compilers.
> 
> Andre Muezerie (5):
>   maintainers: add portable version of __builtin_add_overflow
>   lib/eal: add portable version of __builtin_add_overflow
>   doc/api: add portable version of __builtin_add_overflow
>   drivers/net: use portable version of __builtin_add_overflow
>   app/test: add tests for portable versions of __builtin_add_overflow
> 
>  MAINTAINERS                    |   1 +
>  app/test/meson.build           |   1 +
>  app/test/test_math.c           | 125 +++++++++++++++++++++++++++++++++
>  doc/api/doxy-api-index.md      |   1 +
>  drivers/net/ice/base/ice_nvm.c |   9 ++-
>  lib/eal/include/meson.build    |   1 +
>  lib/eal/include/rte_math.h     |  42 +++++++++++
>  7 files changed, 175 insertions(+), 5 deletions(-)
>  create mode 100644 app/test/test_math.c
>  create mode 100644 lib/eal/include/rte_math.h
> 
> --
> 2.47.0.vfs.0.3
> 

You should add _builtin_add_overflow into the checkpatch naughty list.
Or maybe all the _builtin_XXX functions?