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Add explicit_extern_abis Feature and Enforce Explicit ABIs #135340

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Add explicit_extern_abis Feature and Enforce Explicit ABIs #135340

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@obeis obeis commented Jan 10, 2025 •
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Introduces the unstable explicit_extern_abis feature, requiring explicit ABIs in extern blocks. Hard errors are enforced with the feature enabled, and the 2027 edition prepares for full adoption.

RFC rust-lang/rfcs#3722

Update #134986

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rustbot commented Jan 10, 2025

r? @wesleywiser

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@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue. labels Jan 10, 2025
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rustbot commented Jan 10, 2025

Some changes occurred in src/tools/rustfmt

cc @rust-lang/rustfmt

@traviscross traviscross added the F-explicit_extern_abis `#![feature(explicit_extern_abis)]` label Jan 10, 2025
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@rustbot labels +S-blocked
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We're still finalizing the timing and name of the next edition, and in any case, I think I'd like to see a separate PR for adding the various bits for the next edition that's separate from any edition item.

@rustbot rustbot added S-blocked Status: Blocked on something else such as an RFC or other implementation work. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jan 10, 2025
@traviscross traviscross mentioned this pull request Jan 10, 2025
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@obeis obeis force-pushed the explicit-extern-abis branch from 938c721 to b327d2d Compare January 10, 2025 18:14
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I do not think we will accept the edition changes being folded into this PR, @obeis

@obeis obeis force-pushed the explicit-extern-abis branch from b327d2d to e25d0af Compare January 10, 2025 19:42
@obeis obeis force-pushed the explicit-extern-abis branch from e25d0af to 20f28b1 Compare January 10, 2025 19:55
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@obeis obeis force-pushed the explicit-extern-abis branch 2 times, most recently from fe8b62b to bc8ed0e Compare January 10, 2025 20:30
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@obeis obeis force-pushed the explicit-extern-abis branch from bc8ed0e to e1db710 Compare January 11, 2025 15:05
@rustbot rustbot added the A-run-make Area: port run-make Makefiles to rmake.rs label Jan 11, 2025
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rustbot commented Jan 11, 2025

This PR modifies tests/run-make/. If this PR is trying to port a Makefile
run-make test to use rmake.rs, please update the
run-make port tracking issue
so we can track our progress. You can either modify the tracking issue
directly, or you can comment on the tracking issue and link this PR.

cc @jieyouxu

@traviscross traviscross added S-waiting-on-team Status: Awaiting decision from the relevant subteam (see the T-<team> label). and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Jan 12, 2025
@Amanieu Amanieu removed the T-libs Relevant to the library team, which will review and decide on the PR/issue. label Jan 22, 2025
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bors commented Mar 8, 2025

☔ The latest upstream changes (presumably #138202) made this pull request unmergeable. Please resolve the merge conflicts.

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@rustbot labels -S-blocked -S-waiting-on-team

This can go in now if you want. Pull the "2027" stuff out of this PR and land it in the EditionFuture that we added in #137606.

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@rustbot rustbot removed S-blocked Status: Blocked on something else such as an RFC or other implementation work. S-waiting-on-team Status: Awaiting decision from the relevant subteam (see the T-<team> label). labels Mar 8, 2025
@traviscross traviscross added the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Mar 8, 2025
@obeis obeis force-pushed the explicit-extern-abis branch from e1db710 to f182fb3 Compare March 8, 2025 10:27
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obeis commented Mar 8, 2025

@rustbot ready

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Mar 8, 2025
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@rustbot rustbot added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Mar 8, 2025
@obeis obeis force-pushed the explicit-extern-abis branch from f182fb3 to 3a5fc2f Compare March 8, 2025 19:01
@obeis obeis force-pushed the explicit-extern-abis branch 2 times, most recently from df735f8 to 15be183 Compare March 8, 2025 21:42
@obeis obeis force-pushed the explicit-extern-abis branch from 15be183 to e3867bd Compare March 9, 2025 14:33
@obeis obeis force-pushed the explicit-extern-abis branch from e3867bd to 42277b4 Compare March 9, 2025 15:51
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A-run-make Area: port run-make Makefiles to rmake.rs F-explicit_extern_abis `#![feature(explicit_extern_abis)]` S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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