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std_detect: Use rustc-std-workspace-* to pull in compiler-builtins#145619

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std_detect: Use rustc-std-workspace-* to pull in compiler-builtins#145619
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@joshtriplett joshtriplett commented Aug 19, 2025

#145489 changed std_detect to no
longer depend on cfg-if, which meant it no longer indirectly pulled in
rustc-std-workspace-core via cfg-if. That caused it to no longer
depend on compiler-builtins.

Change std_detect to use rustc-std-workspace-core and
rustc-std-workspace-alloc, to integrate with the rustc workspace. This
also pulls in compiler-builtins via rustc-std-workspace-core.

Closes: #145594

@joshtriplett
std_detect: Use rustc-std-workspace-* to pull in compiler-builtins
a971238 
rust-lang#145489 changed `std_detect` to no
longer depend on `cfg-if`, which meant it no longer indirectly pulled in
`rustc-std-workspace-core` via `cfg-if`. That caused it to no longer
depend on `compiler-builtins`.

Change `std_detect` to use `rustc-std-workspace-core` and
`rustc-std-workspace-alloc`, to integrate with the rustc workspace. This
also pulls in `compiler-builtins` via `rustc-std-workspace-core`.

Closes: rust-lang#145594
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r? @Mark-Simulacrum

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Kobzol commented Aug 19, 2025

Oh, good catch! When I take a look e.g. at the unwind, which is also a dependency of std, it depends on core like this:

core = { path = "../rustc-std-workspace-core", package = "rustc-std-workspace-core" }

Why did you decide to use version = "1.0.0"?

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joshtriplett commented Aug 19, 2025

Oh, good catch! When I take a look e.g. at the unwind, which is also a dependency of std, it depends on core like this:

core = { path = "../rustc-std-workspace-core", package = "rustc-std-workspace-core" }

Why did you decide to use version = "1.0.0"?

The path isn't strictly needed, given that the top-level workspace uses [patch] to replace the crate. And using a version and relying on that [patch] allows the crate to potentially build outside the Rust workspace. Whether that's ever needed or not is a separate question, but the two are equivalent so it seemed reasonable to allow for it.

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rustbot commented Aug 19, 2025

These commits modify the library/Cargo.lock file. Unintentional changes to library/Cargo.lock can be introduced when switching branches and rebasing PRs.

If this was unintentional then you should revert the changes before this PR is merged.
Otherwise, you can ignore this comment.

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ehuss commented Aug 19, 2025

r? @tgross35

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tgross35 commented Aug 19, 2025

Makes sense, I probably should have gotten this one in daf3534 as well.

@bors r+ rollup

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bors commented Aug 19, 2025

📌 Commit 4c948bc has been approved by tgross35

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Aug 19, 2025
jhpratt added a commit to jhpratt/rust that referenced this pull request Aug 19, 2025
@jhpratt
Rollup merge of rust-lang#145619 - joshtriplett:use-the-right-core, r…
8a7c125 
…=tgross35

`std_detect`: Use `rustc-std-workspace-*` to pull in `compiler-builtins`

rust-lang#145489 changed `std_detect` to no
longer depend on `cfg-if`, which meant it no longer indirectly pulled in
`rustc-std-workspace-core` via `cfg-if`. That caused it to no longer
depend on `compiler-builtins`.

Change `std_detect` to use `rustc-std-workspace-core` and
`rustc-std-workspace-alloc`, to integrate with the rustc workspace. This
also pulls in `compiler-builtins` via `rustc-std-workspace-core`.

Closes: rust-lang#145594
@jhpratt jhpratt mentioned this pull request Aug 19, 2025
Closed
jhpratt added a commit to jhpratt/rust that referenced this pull request Aug 19, 2025
@jhpratt
Rollup merge of rust-lang#145619 - joshtriplett:use-the-right-core, r…
870b1e2 
…=tgross35

`std_detect`: Use `rustc-std-workspace-*` to pull in `compiler-builtins`

rust-lang#145489 changed `std_detect` to no
longer depend on `cfg-if`, which meant it no longer indirectly pulled in
`rustc-std-workspace-core` via `cfg-if`. That caused it to no longer
depend on `compiler-builtins`.

Change `std_detect` to use `rustc-std-workspace-core` and
`rustc-std-workspace-alloc`, to integrate with the rustc workspace. This
also pulls in `compiler-builtins` via `rustc-std-workspace-core`.

Closes: rust-lang#145594
This was referenced Aug 19, 2025
Closed
Merged
bors added a commit that referenced this pull request Aug 20, 2025
@bors
Auto merge of #145644 - jhpratt:rollup-ypo3zcd, r=jhpratt
22a86f8 
Rollup of 13 pull requests

Successful merges:

 - #139357 (Fix parameter order for `_by()` variants of `min` / `max`/ `minmax` in `std::cmp`)
 - #140314 (Rustdoc: typecheck scrape-examples.js)
 - #140794 (mention lint group in default level lint note)
 - #145006 (Clarify EOF handling for `BufRead::skip_until`)
 - #145252 (Demote x86_64-apple-darwin to Tier 2 with host tools)
 - #145359 (Fix bug where `rustdoc-js` tester would not pick the right `search.js` file if there is more than one)
 - #145381 (Implement feature `int_lowest_highest_one` for integer and NonZero types)
 - #145417 (std_detect: RISC-V platform guide documentation)
 - #145531 (Add runtime detection for APX-F and AVX10)
 - #145619 (`std_detect`: Use `rustc-std-workspace-*` to pull in `compiler-builtins`)
 - #145622 (Remove the std workspace patch for `compiler-builtins`)
 - #145623 (Pretty print the name of an future from calling async closure)
 - #145626 (add a fallback implementation for the `prefetch_*` intrinsics )

r? `@ghost`
`@rustbot` modify labels: rollup
@Kobzol Kobzol mentioned this pull request Aug 20, 2025
Closed
@bors bors merged commit 84c5d20 into rust-lang:master Aug 20, 2025
10 checks passed
@rustbot rustbot added this to the 1.91.0 milestone Aug 20, 2025
rust-timer added a commit that referenced this pull request Aug 20, 2025
@rust-timer
Unrolled build for #145619
38a19df 
Rollup merge of #145619 - joshtriplett:use-the-right-core, r=tgross35

`std_detect`: Use `rustc-std-workspace-*` to pull in `compiler-builtins`

#145489 changed `std_detect` to no
longer depend on `cfg-if`, which meant it no longer indirectly pulled in
`rustc-std-workspace-core` via `cfg-if`. That caused it to no longer
depend on `compiler-builtins`.

Change `std_detect` to use `rustc-std-workspace-core` and
`rustc-std-workspace-alloc`, to integrate with the rustc workspace. This
also pulls in `compiler-builtins` via `rustc-std-workspace-core`.

Closes: #145594
@weihanglo weihanglo mentioned this pull request Aug 20, 2025
Merged
@joshtriplett joshtriplett deleted the use-the-right-core branch August 21, 2025 01:24
github-actions bot pushed a commit to rust-lang/miri that referenced this pull request Aug 21, 2025
@bors
Auto merge of #145644 - jhpratt:rollup-ypo3zcd, r=jhpratt
8162bc6 
Rollup of 13 pull requests

Successful merges:

 - rust-lang/rust#139357 (Fix parameter order for `_by()` variants of `min` / `max`/ `minmax` in `std::cmp`)
 - rust-lang/rust#140314 (Rustdoc: typecheck scrape-examples.js)
 - rust-lang/rust#140794 (mention lint group in default level lint note)
 - rust-lang/rust#145006 (Clarify EOF handling for `BufRead::skip_until`)
 - rust-lang/rust#145252 (Demote x86_64-apple-darwin to Tier 2 with host tools)
 - rust-lang/rust#145359 (Fix bug where `rustdoc-js` tester would not pick the right `search.js` file if there is more than one)
 - rust-lang/rust#145381 (Implement feature `int_lowest_highest_one` for integer and NonZero types)
 - rust-lang/rust#145417 (std_detect: RISC-V platform guide documentation)
 - rust-lang/rust#145531 (Add runtime detection for APX-F and AVX10)
 - rust-lang/rust#145619 (`std_detect`: Use `rustc-std-workspace-*` to pull in `compiler-builtins`)
 - rust-lang/rust#145622 (Remove the std workspace patch for `compiler-builtins`)
 - rust-lang/rust#145623 (Pretty print the name of an future from calling async closure)
 - rust-lang/rust#145626 (add a fallback implementation for the `prefetch_*` intrinsics )

r? `@ghost`
`@rustbot` modify labels: rollup
github-actions bot pushed a commit to model-checking/verify-rust-std that referenced this pull request Aug 26, 2025
@jhpratt
Rollup merge of rust-lang#145619 - joshtriplett:use-the-right-core, r…
55c9d8f 
…=tgross35

`std_detect`: Use `rustc-std-workspace-*` to pull in `compiler-builtins`

rust-lang#145489 changed `std_detect` to no
longer depend on `cfg-if`, which meant it no longer indirectly pulled in
`rustc-std-workspace-core` via `cfg-if`. That caused it to no longer
depend on `compiler-builtins`.

Change `std_detect` to use `rustc-std-workspace-core` and
`rustc-std-workspace-alloc`, to integrate with the rustc workspace. This
also pulls in `compiler-builtins` via `rustc-std-workspace-core`.

Closes: rust-lang#145594
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error: can't find crate for compiler_builtins

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