Re: [PATCH] kbuild: rust: add `rustupoverride` target

[Alice Ryhl]

On Thu, Dec 14, 2023 at 11:23 PM Miguel Ojeda <ojeda@xxxxxxxxxx> wrote:
>
> When setting up the Rust support via `rustup`, one may use an override
> in order to select the right version of the Rust toolchain.
>
> The current instructions at Documentation/rust/quick-start.rst assume
> one is using an in-tree kernel build (i.e. no `O=`) [1]. We would like
> to provide also the way to do so for `O=` builds, but ideally in a way
> that keeps the one-liner copy-pastable and without duplication [2].
>
> Thus provide a new Make target, `rustupoverride`, that sets it up for
> the user given their build options/variables.
>
> Link: https://lore.kernel.org/rust-for-linux/20231207084846.faset66xzuoyvdlg@vireshk-i7/ [1]
> Link: https://lore.kernel.org/rust-for-linux/CANiq72=mvca8PXoxwzSao+QFbAHDCecSKCDtV+ffd+YgZNFaww@xxxxxxxxxxxxxx/ [2]
> Signed-off-by: Miguel Ojeda <ojeda@xxxxxxxxxx>

Reviewed-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>