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Rollup merge of #126414 - ChrisDenton:target-known, r=Nilstrieb

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Tier 2 std support must always be known

We should never have a tier 2 target without knowing its support status so I think this line in the tier 2 section is a bit wrong:

> ? indicates the standard library support is unknown or a work-in-progress.

My first inclination was just to drop the "unknown or" part. However, after thinking about it some more, I think we should just use `✓` for this. The only affected targets are UEFI and frankly there are targets with worse std support that are marked with `✓` (e.g. wasm).

I think a `✓` should mean "this supports building with std (and is checked in CI for tier 2+)". The target errata can detail the current limitations or special requirements for doing so.
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Matthias Krüger 2024-06-24 15:06:22 +02:00 committed by GitHub
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@ -119,7 +119,7 @@ The `std` column in the table below has the following meanings:
* ✓ indicates the full standard library is available.
* \* indicates the target only supports [`no_std`] development.
* ? indicates the standard library support is unknown or a work-in-progress.
* ? indicates the standard library support is a work-in-progress.
[`no_std`]: https://rust-embedded.github.io/book/intro/no-std.html