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

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On 12/14/23 19:22, Miguel Ojeda 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>
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[...]
Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@xxxxxxxxx>




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