Re: [OE-core] [PATCH v3] rust: Avoid passing host-specific information to crates Strict Version Hash

[Alejandro Hernandez <alhe@linux.microsoft.com>]

On 8/26/2026 1:17 PM, Richard Purdie via lists.openembedded.org wrote:
> On Wed, 2026-08-26 at 11:25 -0700, Dora, Sunil Kumar via lists.openembedded.org wrote:
>> Hi Alejandro,
>>
>> Thanks for chasing this one down. Small notes on v3:
>>
>> The commit is tagged [YOCTO #15554], but that bug is "reproducibility
>> failures with 'rustdoc' on rust 1.75" (path-length dependent), RESOLVED FIXED
>> since 2024-08-01 via codegen-units=1 / lto=off.
>>
>> What you describe here - artifacts differing by build host arch, causing
>> cross-architecture sstate matches - looks like:
>>
>>    [YOCTO #16376] AB-INT: build system architecture reproducibility issue
>>    https://bugzilla.yoctoproject.org/show_bug.cgi?id=16376
>>
>> which is still open. Could you retag it in v4, unless you had a reason to
>> point at 15554 that I'm missing?
>> ---
>> One pointer that may or may not be relevant: the 1.97.1 upgrade (65271a5d3b)
>> carries an LLVM backport:
>>
>>    0043-LoopUnroll-Iterate-exit-fold-candidates-in-determini.patch
>>
>> added for a repro issue seen with rust 1.97.0. I haven't looked at whether it
>> interacts with the SVH path at all - just flagging it in case it's useful context.

Hey Richard,


Sorry for the incorrect tag.

I'll look into these failures as well and send a v4


Alejandro

> I put v3 in for testing on the autobuilder and it looks promising, there are some rust test suite failures though:
>
> https://autobuilder.yoctoproject.org/valkyrie/#/builders/28/builds/4472
> https://autobuilder.yoctoproject.org/valkyrie/#/builders/66/builds/4577
>
> and probably more to follow. We may need to exclude those tests?
>
> I also triggered the reproducibility test targets:
>
> https://autobuilder.yoctoproject.org/valkyrie/#/builders/121/builds/3
> https://autobuilder.yoctoproject.org/valkyrie/#/builders/119/builds/3
> https://autobuilder.yoctoproject.org/valkyrie/#/builders/120/builds/3
>
> those builds are ongoing.
>
> Cheers,
>
> Richard
>
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