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musl: Rename musl_v1_2_3 to musl_v1_2 - #5376

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tgross35 merged 2 commits into
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tgross35:musl-version-simplify
Aug 11, 2026
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musl: Rename musl_v1_2_3 to musl_v1_2#5376
tgross35 merged 2 commits into
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tgross35:musl-version-simplify

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@tgross35

@tgross35 tgross35 commented Aug 6, 2026

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1.2.0 was the release that introduced 64-bit time_t everywhere 1,
which is the main thing we are interested in with this config. There is
nothing special about 1.2.3, and most gated API will work down to 1.2.0.
This has been a source of mild confusion.

To make things more clear, drop the _3. We continue to support
libc_unstable_musl_v1_2_3 for now but emit a warning if set.

Closes: #5200

@tgross35

tgross35 commented Aug 6, 2026

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@xbjfk mind taking a look at this?

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tgross35 force-pushed the musl-version-simplify branch from 896f2e8 to 0f4a181 Compare August 6, 2026 08:56
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tgross35 force-pushed the musl-version-simplify branch from 0f4a181 to 12306de Compare August 6, 2026 09:55
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tgross35 force-pushed the musl-version-simplify branch from c1ac9d6 to 8219e6e Compare August 10, 2026 00:27
@tgross35 tgross35 changed the title musl: Change musl_v1_2_3 to musl_v1_2 musl: Rename musl_v1_2_3 to musl_v1_2 Aug 11, 2026
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tgross35 force-pushed the musl-version-simplify branch from 8219e6e to 386ace2 Compare August 11, 2026 09:34
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This PR was rebased onto a different main commit. Here's a range-diff highlighting what actually changed.

Rebasing is a normal part of keeping PRs up to date, so no action is needed—this note is just to help reviewers.

@tgross35
tgross35 force-pushed the musl-version-simplify branch from 386ace2 to 78c0681 Compare August 11, 2026 09:45
1.2.0 was the release that introduced 64-bit `time_t` everywhere [1],
which is the main thing we are interested in with this config. There is
nothing special about 1.2.3, and most gated API will work down to 1.2.0.
This has been a source of mild confusion.

To make things more clear, drop the `_3`. We continue to support
`libc_unstable_musl_v1_2_3` for now but emit a warning if set.

Closes: rust-lang#5200

[1]: https://musl.libc.org/releases.html
@tgross35
tgross35 force-pushed the musl-version-simplify branch from 78c0681 to 85daadc Compare August 11, 2026 09:49
@tgross35
tgross35 force-pushed the musl-version-simplify branch from 85daadc to df82dd7 Compare August 11, 2026 09:58
@tgross35 tgross35 added the stable-nominated This PR should be considered for cherry-pick to libc's stable release branch label Aug 11, 2026
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tgross35 added this pull request to the merge queue Aug 11, 2026
Merged via the queue into rust-lang:main with commit 111660a Aug 11, 2026
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tgross35 deleted the musl-version-simplify branch August 11, 2026 10:51
@xbjfk

xbjfk commented Aug 11, 2026

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Hey, sorry was not able to take a look earlier but LGTM

@tgross35

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Thanks for taking a look when you could :)

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A-CI Area: CI-related items O-arm O-linux O-linux-like O-mips O-musl O-powerpc O-riscv O-unix O-wasi O-x86 stable-nominated This PR should be considered for cherry-pick to libc's stable release branch

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Rename musl_v1_2_3 and RUST_LIBC_UNSTABLE_MUSL_V1_2_3 to musl_v1_2 and RUST_LIBC_UNSTABLE_MUSL_V1_2

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