Add deployment-target --print flag for Apple targets #105354
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These commits modify compiler targets. |
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@rustbot label O-macos O-ios |
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So far I'm unsure of the flag name. |
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r? compiler |
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r? @oli-obk |
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This adds a new insta-stable compiler flag. This seems like a good solution to the problem for me. @rfcbot fcp merge |
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Team member @oli-obk has proposed to merge this. The next step is review by the rest of the tagged team members:
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| "ios" => ios_deployment_target(), | ||
| "watchos" => watchos_deployment_target(), | ||
| "tvos" => tvos_deployment_target(), | ||
| _ => unreachable!("unknown Apple target OS"), |
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This arm is reachable with custom target specs.
I suggest returning an Option here, and relying on it in the driver instead of using sess.target.is_like_osx.
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Ah, thanks, and good to know. Moved up to rustc_driver. For the future, why is doing it there better? Do custom target specs go through a different codepath that wouldn't panic?
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There's now also a test for valid use of the new flag. It isn't very picky about the output beyond requiring that it only contains |
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…ter, r=oli-obk Add deployment-target --print flag for Apple targets This is very useful for crates that need to know what the Apple OS deployment target is for their build scripts or inside of a build environment. Right now, the defaults just get copy/pasted around the ecosystem since they've been stable for so long. But with rust-lang#104385 in progress, that won't be true anymore and everything will need to move. Ideally whenever it happens again, this could be less painful as everything can ask the compiler what its default is instead. To show examples of the copy/paste proliferation, here's some crates and/or apps that do: - [cc](https://github.com/rust-lang/cc-rs/pull/708/files), Soon - [mac-notification-sys](https://github.com/h4llow3En/mac-notification-sys/pull/46/files#diff-d0d98998092552a1d3259338c2c71e118a5b8343dd4703c0c7f552ada7f9cb42R10-R12) - [PyO3](https://github.com/PyO3/maturin/blob/ccb02d1aa1cc41e82a3572a3c8b35cace15f3e78/src/target.rs#L755-L758) - [Anki](https://github.com/ankitects/anki/blob/613b5c1034cc9943f3f68d818ae22b2e0acec877/build/runner/src/bundle/artifacts.rs#L49-L54) - [jsc-rs](https://github.com/Brooooooklyn/jsc-rs/blob/37767267568fb2de62fc441473e7d158dd980520/xtask/src/build.rs#L402-L405) ... and probably more that a simple GitHub codesearch didn't see
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…ter, r=oli-obk Add deployment-target --print flag for Apple targets This is very useful for crates that need to know what the Apple OS deployment target is for their build scripts or inside of a build environment. Right now, the defaults just get copy/pasted around the ecosystem since they've been stable for so long. But with rust-lang#104385 in progress, that won't be true anymore and everything will need to move. Ideally whenever it happens again, this could be less painful as everything can ask the compiler what its default is instead. To show examples of the copy/paste proliferation, here's some crates and/or apps that do: - [cc](https://github.com/rust-lang/cc-rs/pull/708/files), Soon - [mac-notification-sys](https://github.com/h4llow3En/mac-notification-sys/pull/46/files#diff-d0d98998092552a1d3259338c2c71e118a5b8343dd4703c0c7f552ada7f9cb42R10-R12) - [PyO3](https://github.com/PyO3/maturin/blob/ccb02d1aa1cc41e82a3572a3c8b35cace15f3e78/src/target.rs#L755-L758) - [Anki](https://github.com/ankitects/anki/blob/613b5c1034cc9943f3f68d818ae22b2e0acec877/build/runner/src/bundle/artifacts.rs#L49-L54) - [jsc-rs](https://github.com/Brooooooklyn/jsc-rs/blob/37767267568fb2de62fc441473e7d158dd980520/xtask/src/build.rs#L402-L405) ... and probably more that a simple GitHub codesearch didn't see
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Failed in rollup: #111219 (comment) |
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Should be ready again, the UI test wasn't flexible enough before to handle different deployment versions. I fixed that and tried it out locally with multiple @rustbot ready |
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Rollup of 7 pull requests Successful merges: - rust-lang#105354 (Add deployment-target --print flag for Apple targets) - rust-lang#110377 (Update max_atomic_width of armv7r and armv7_sony_vita targets to 64.) - rust-lang#110638 (STD support for PSVita) - rust-lang#111211 (Don't compute trait super bounds unless they're positive) - rust-lang#111315 (Remove `identity_future` from stdlib) - rust-lang#111331 (Mark s390x condition code register as clobbered in inline assembly) - rust-lang#111332 (Improve inline asm for LoongArch) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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This is very useful for crates that need to know what the Apple OS deployment target is for their build scripts or inside of a build environment. Right now, the defaults just get copy/pasted around the ecosystem since they've been stable for so long. But with #104385 in progress, that won't be true anymore and everything will need to move. Ideally whenever it happens again, this could be less painful as everything can ask the compiler what its default is instead.
To show examples of the copy/paste proliferation, here's some crates and/or apps that do:
... and probably more that a simple GitHub codesearch didn't see