This started to cause trouble for us after the upgrade to walnascar with Rust 
1.84.1 which included this commit 
https://github.com/rust-lang/rust/commit/d868fdce6b9ddef6abcc8de86b3ba8459def36a2.
 So I think that it should atlest go into walnascar.

/Per
________________________________
From: Quentin Schulz <[email protected]>
Sent: Monday, September 1, 2025 11:59
To: Per x Johansson <[email protected]>; 
[email protected] 
<[email protected]>
Cc: Steve Sakoman <[email protected]>
Subject: Re: [OE-core] [PATCH] rust-target-config: Add has-thread-local option

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Cc Steve for backport to stable releases?

The introducing commit goes back to langdale so backporting to scarthgap
and walnascar would make sense to me? @Per x Johansson/@Steve, what do
you think?

Cheers,
Quentin

On 8/25/25 3:30 PM, Per x Johansson via lists.openembedded.org wrote:
> [You don't often get email from [email protected]. 
> Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ]
>
> The "has-elf-tls" option was removed by the commit
> 8e1614a906086fb46c5dd7b7f2dffab91194165c. However is should have been
> renamed to "has-thread-local", since it was renamed and not removed in
> rust by this commit.
> https://github.com/rust-lang/rust/commit/391332c5d9d5a5e97a0d36e011a87ad43045cfd3
>
> Change-Id: Ia1fdf7698ebeef62a88052713645d5b499164353
> Signed-off-by: Per x Johansson <[email protected]>
> ---
>   meta/classes-recipe/rust-target-config.bbclass | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/meta/classes-recipe/rust-target-config.bbclass 
> b/meta/classes-recipe/rust-target-config.bbclass
> index cac6e90a9e..0df6f0904c 100644
> --- a/meta/classes-recipe/rust-target-config.bbclass
> +++ b/meta/classes-recipe/rust-target-config.bbclass
> @@ -418,6 +418,7 @@ def rust_gen_target(d, thing, wd, arch):
>       tspec['linker-is-gnu'] = True
>       tspec['linker-flavor'] = "gcc"
>       tspec['has-rpath'] = True
> +    tspec['has-thread-local'] = True
>       tspec['position-independent-executables'] = True
>       tspec['panic-strategy'] = d.getVar("RUST_PANIC_STRATEGY")
>
> --
> 2.39.5
>
>
>
> 
>

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