[PATCH v2 2/3] scripts: generate_rust_target: enable building on RISC-V

[Conor Dooley]

On Fri, Feb 23, 2024 at 03:39:47PM +0100, Miguel Ojeda wrote:

> Conor Dooley <conor at kernel.org> wrote:

> Thanks for this Connor!




> arm64 is sending these for 6.9:
> 
>     https://git.kernel.org/arm64/c/f82811e22b48
>     https://git.kernel.org/arm64/c/724a75ac9542
> 
> So it would be nice to see if it may be already possible to enable it
> via a builtin target + flags instead of the custom target, e.g. arm64
> does:
> 
>     KBUILD_RUSTFLAGS += --target=aarch64-unknown-none -Ctarget-feature="-neon"
> 
> and so on.
> 
> If it does not work, it would be good to know what would be needed for
> RISC-V and put it into the unstable features / wanted features list
> for Rust.

Sure, I'll take a look.

> Either way, it is not a blocker (although you will need a rebase after
> arm64 lands to use the `target.json` in the right places).

Nah, I think that is silly. Either this goes in as-is, and there's
fixup done by Linus, or the thing should be converted to match arm64,
assuming that that is possible.

Cheers,
Conor.
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