Re: [OE-core] [PATCH 0/2] rust: add rust-analyzer support

["Mathieu Dubois-Briand" <mathieu.dubois-briand@bootlin.com>]

On Thu Oct 1, 2026 at 2:56 PM CEST, Benhur T wrote:
> rust-analyzer is built as part of the Rust tools but was neither
> installed nor packaged. This series packages it and wires it into the
> Rust SDK next to clippy and rustfmt.
>
> Patch 1 adds a rust-tools-analyzer package for the target and nativesdk
> variants. Beyond the frontend binary it also ships the proc-macro server
> and depends on the standard library sources, both of which are required
> for rust-analyzer to actually function.
>
> Patch 2 adds it to the cross-canadian toolchain so that an SDK built with
> SDK_FEATURES = "rust" provides rust-analyzer out of the box.
>
> Testing:
>  - Patches validated with patchset.
>  - Built an SDK with SDK_FEATURES = "rust", installed it in a container,
>    and confirmed rust-analyzer resolves the standard library and expands
>    proc-macros end to end: diagnostics/analysis-stats on a crate using a
>    derive macro succeed, with the proc-macro server started from
>    <sysroot>/libexec.
>  - Built core-image-minimal with rust-tools-analyzer installed, booted it
>    under qemu, and confirmed the rust-analyzer frontend and the
>    rust-analyzer-proc-macro-srv binary are present with their libraries
>    resolving.
>
> Benhur Tessele (2):
>   rust: package rust-analyzer as rust-tools-analyzer
>   packagegroup-rust-cross-canadian: add rust-analyzer to the SDK
>
>  .../packagegroup-rust-cross-canadian.bb       |  1 +
>  meta/recipes-devtools/rust/rust_1.98.1.bb     | 19 ++++++++++++++++---
>  2 files changed, 17 insertions(+), 3 deletions(-)

Hi Benhur,

Thanks for your patch.

I believe this is breaking build on some platforms. Maybe all ARM 32
bits?

ERROR: rust-1.98.1-r0 do_install: Execution of '/srv/pokybuild/yocto-worker/beaglebone-alt/build/build/tmp/work/cortexa8t2hf-neon-poky-linux-gnueabi/rust/1.98.1/temp/run.do_install.3194208' failed with exit code 1
...
| error[E0658]: use of unstable library feature `stdarch_arm_neon_intrinsics`
|   --> /rust/deps/simd-adler32-0.3.9/src/imp/neon.rs:23:7
|    |
| 23 |   use core::arch::arm::*;
|    |       ^^^^^^^^^^^^^^^
|    |
|    = note: see issue #111800 <https://github.com/rust-lang/rust/issues/111800> for more information
|    = help: add `#![feature(stdarch_arm_neon_intrinsics)]` to the crate attributes to enable
|    = note: this compiler was built on 2026-09-01; consider upgrading it if it is out of date
...
| -------------
| error: could not compile `simd-adler32` (lib) due to 67 previous errors
| warning: build failed, waiting for other jobs to finish...
...

https://autobuilder.yoctoproject.org/valkyrie/#/builders/10/builds/4734
https://autobuilder.yoctoproject.org/valkyrie/#/builders/74/builds/4706

Can you have a look at the issue?

Thanks,
Mathieu

-- 
Mathieu Dubois-Briand, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com