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improve compiler&tool documenting and re-enable cranelift on CI
First commit addresses the linking issue with compiler crates. Second one ensures that compiler crates are linked correctly (with later commits we added this check for tools as well), allowing us to detect these hard-to-catch bugs on CI. Following three commits cherry-picked from #117328 to re-enable the Cranelift backend on CI.
More info: https://github.com/rust-lang/rust/issues/117430
cc `@bjorn3` `@RalfJung`
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Signed-off-by: onur-ozkan <work@onurozkan.dev>
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r=Mark-Simulacrum
bootstrap/setup: create hooks directory if non-existing
When running `./x setup` on a local repository I chose to install a `pre-push` git hook, but this happened:
```shell
Would you like to install the git hook?: [y/N] y
error: could not create hook .git/hooks/pre-push: do you already have the git hook installed?
No such file or directory (os error 2)
thread 'main' panicked at src/core/build_steps/setup.rs:462:9:
install_git_hook_maybe(&config) failed with No such file or directory (os error 2)
```
This was caused because the `.git/hooks` directory did not exist in my local repository. Creating it manually and re-running the command works fine.
This PR tests for the above directory and if it does not exist then it _tries_ to create it before hard linking the pre-push hook - we use `fs::create_dir()` and disregard the result (ie. it could fail if the directory was created in the meantime) and proceed to call `fs::hard_link()` all the same.
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Don't pass `-stdlib=libc++` when building C files on macOS
When using *Command Line Tools for Xcode* version 15.0, clang will warn about `argument unused during compilation: '-stdlib=libc++'` if this flag is present when compiling C files only (i.e. no C++ files).
To avoid this warning, we can add the flag only to CXXFLAGS and not to CFLAGS.
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[Zulip thread](https://rust-lang.zulipchat.com/#narrow/stream/326414-t-infra.2Fbootstrap/topic/clang.20warning.3A.20argument.20unused.20during.20compilation.20.28libc.2B.2B.29)
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This fixes few miscompiles, so nice to have.
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Miri subtree update
r? `@ghost`
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give some more help for the unusual data races
Fixes https://github.com/rust-lang/miri/issues/3142
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backend is enabled
This was a leftover from when inline asm wasn't universally supported by
the cranelift backend yet. It would cause the optimized inline asm
intrinsics to be avoided for the standard library distributed with
rustup now that we build the cranelift backend by default on nightly for
several tier 1 targets.
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Signed-off-by: onur-ozkan <work@onurozkan.dev>
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self.number_of_times_dry_runs_have_caused_issues += 1;
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Either generate it with the actual codegen backend dylib or omit it
entirely when the cranelift backend is disabled for this build.
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Signed-off-by: onur-ozkan <work@onurozkan.dev>
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Signed-off-by: onur-ozkan <work@onurozkan.dev>
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Update cargo
8 commits in b4d18d4bd3db6d872892f6c87c51a02999b80802..65e297d1ec0dee1a74800efe600b8dc163bcf5db
2023-10-31 18:19:10 +0000 to 2023-11-03 20:56:31 +0000
- fix(cli): Clarify --test is for targets, not test functions (rust-lang/cargo#12915)
- Updating "features" documentation to add a note about the new limit on number of features (rust-lang/cargo#12913)
- fix: merge `trim-paths` from different profiles (rust-lang/cargo#12908)
- Add regression test for issue 6915: features and transitive dev deps (rust-lang/cargo#12907)
- chore(deps): update rust crate gix to 0.55.2 (rust-lang/cargo#12906)
- chore(deps): update compatible (rust-lang/cargo#12905)
- docs(ref): Fix open-semver-range issue link (rust-lang/cargo#12904)
- docs(ref): Highlight commands to answer dep resolution questions (rust-lang/cargo#12903)
r? ghost
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Remove license exception of `byteyarn` as it is no longer used
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Run tidy license checker on more workspaces
The license checker didn't run on several workspaces before this PR. The same applied to the "external package sources" check. There were also two missing lockfiles which I have added now.
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matthiaskrgr:baby_dont_clone_me_dont_clone_me_no_more, r=est31
clone less
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They've been deprecated for four years.
This commit includes the following changes.
- It eliminates the `rustc_plugin_impl` crate.
- It changes the language used for lints in
`compiler/rustc_driver_impl/src/lib.rs` and
`compiler/rustc_lint/src/context.rs`. External lints are now called
"loaded" lints, rather than "plugins" to avoid confusion with the old
plugins. This only has a tiny effect on the output of `-W help`.
- E0457 and E0498 are no longer used.
- E0463 is narrowed, now only relating to unfound crates, not plugins.
- The `plugin` feature was moved from "active" to "removed".
- It removes the entire plugins chapter from the unstable book.
- It removes quite a few tests, mostly all of those in
`tests/ui-fulldeps/plugin/`.
Closes #29597.
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To 5b6c1ceaa62ecbd6caef08df39b33b3938e99deb, for this commit:
- Prepare for removal of compiler plugin support. (rust-lang/book#3764)
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`rustc_span` cleanups
Just some things I found while looking over this crate.
r? `@oli-obk`
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Rollup of 5 pull requests
Successful merges:
- #117434 (delegate `<Box<E> as Error>::provide` to `<E as Error>::provide`)
- #117505 (Fix incorrect trait bound restriction suggestion)
- #117520 (Clippy subtree update)
- #117523 (oli-obk is on vacation)
- #117533 (Revert "bootstrap: do not purge docs on CI environment")
r? `@ghost`
`@rustbot` modify labels: rollup
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Revert "bootstrap: do not purge docs on CI environment"
This reverts commit 6198e881d363730900b7b0d4fa8311b3844421a7.
ref https://github.com/rust-lang/rust/issues/117430#issuecomment-1791609163, https://github.com/rust-lang/rust/pull/117471#issuecomment-1791937529
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Clippy subtree update
r? `@Manishearth`
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This reverts commit 1dfb6b162be402d8ca37e8aad4f58898b44e3a15, reversing
changes made to bcb5798dd890a691644af9d371f3bd7fcc465584.
That commit broke generating nightly rustc docs. Revert it until we can figure out how to have both, cranelift and docs.
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This reverts commit 6198e881d363730900b7b0d4fa8311b3844421a7.
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Run part of `rustc_codegen_gcc`'s tests in CI
Thanks to #112701 and `@bjorn3,` it made this much easier.
Also cc `@antoyo.`
r? `@bjorn3`
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