[PATCH RFC next 13/18] kbuild: rust: move `-Dwarnings` handling to `Makefile.extrawarn`

[Ilias Apalodimas]

On Mon, 4 May 2026 at 16:20, Quentin Schulz <foss+uboot at 0leil.net> wrote:
>
> From: Quentin Schulz <quentin.schulz at cherry.de>
>
> [ Upstream commit 592b571f20c5b905c47a1370210456f9f90ce04f ]
>
> Original commit log:
>
>   Following commit e88ca24319e4 ("kbuild: consolidate warning flags
>   in scripts/Makefile.extrawarn"), move `-Dwarnings` handling into
>   `Makefile.extrawarn` like C's `-Werror`.
>
>   No functional change intended.
>
> [git conflict trying to remove KBUILD_RUSTFLAGS from Makefile, which we
>  don't have in U-Boot]
> [U-Boot doesn't build anything Rust so this is useless except for the
>  fact it allows to backport patches from Linux kernel easier]
> Signed-off-by: Quentin Schulz <quentin.schulz at cherry.de>
> ---

Reviewed-by: Ilias Apalodimas <ilias.apalodimas at linaro.org>

>  scripts/Makefile.extrawarn | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
> index b5b1a762cdc..2af90af594e 100644
> --- a/scripts/Makefile.extrawarn
> +++ b/scripts/Makefile.extrawarn
> @@ -104,5 +104,6 @@ endif
>  ifneq ($(findstring e, $(KBUILD_EXTRA_WARN))$(CONFIG_WERROR),)
>
>  KBUILD_CPPFLAGS                += -Werror
> +KBUILD_RUSTFLAGS       += -Dwarnings
>
>  endif
>
> --
> 2.54.0
>