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SubjectRe: [PATCH V2] docs: rust: Clarify that 'rustup override' applies to build directory
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On 12/12/2023 07:43, Viresh Kumar wrote:
> Rustup override is required to be set for the build directory and not
> necessarily the kernel source tree (unless the build directory is its
> subdir).
>
> Clarify the same in quick-start guide.
>
> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> > ---
> V2:
> - Made few changes based on review comments.
>
> Documentation/rust/quick-start.rst | 12 ++++++++----
> 1 file changed, 8 insertions(+), 4 deletions(-)
>
> diff --git a/Documentation/rust/quick-start.rst b/Documentation/rust/quick-start.rst
> index f382914f4191..7ea931f74e09 100644
> --- a/Documentation/rust/quick-start.rst
> +++ b/Documentation/rust/quick-start.rst
> @@ -33,14 +33,18 @@ A particular version of the Rust compiler is required. Newer versions may or
> may not work because, for the moment, the kernel depends on some unstable
> Rust features.
>
> -If ``rustup`` is being used, enter the checked out source code directory
> -and run::
> +If ``rustup`` is being used, enter the kernel build directory (or use
> +`--path=<build-dir>` argument to the `set` sub-command) and run::
>
> rustup override set $(scripts/min-tool-version.sh rustc)
>

`scripts/min-tool-version.sh` won't exist within the build dir if the
option the user takes is "enter the kernel build directory", right? It
only works if they use the `--path` argument in the `rustup override
set` option.

I gave this a spin and works as expected, just thought I would mention
this given how users sometimes simply copy/paste and this may be confusing.

Tiago.

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