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Shourya742:2025-07-24-have-explicit-download-methods, r=Kobzol
Add explicit download methods to download module in bootstrap
This PR attempts to decouple the default initialization of the config object from parse_inner. It moves specific download methods, previously used during the initial config setup, into standalone functions outside the config implementation.
r? ``@Kobzol``
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in config parsing
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during config parsing directly invoke cdownload methods
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initialization
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clif: Don't set the `compiler-builtins-no-f16-f128` feature
Since rust-lang/rust be35d37d8b6c ("Use the compiler to determine whether or not to enable f16 and f128"), `compiler-builtins` relies on `rustc` to report whether or not `f16` and `f128` are supported, which is reported by the backend. This means that there should no longer be any need to unconditionally disable the types for clif in Bootstrap.
Backend config: https://github.com/rust-lang/rust/blob/a955f1cd09a027363729ceed919952d09f76f28e/compiler/rustc_codegen_cranelift/src/lib.rs#L224-L233
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Only run bootstrap tests in `x test` on CI
Discussed at https://rust-lang.zulipchat.com/#narrow/channel/122652-new-members/topic/Linux.20Distribution/with/530839642. The bootstrap tests can be sensitive of the environment where they are executed. And now that they are executed very early in the test pipeline, it can be annoying for people who just try to do `x test` when it fails on bootstrap tests.
We could move the bootstrap tests back to the end of the `x test` pipeline, but then it would just fail later. I'd prefer to only run them on CI by default.
Fixes: https://github.com/rust-lang/rust/issues/143973
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Fix `./x check bootstrap` (again)
Redoes rust-lang/rust#134883 and reverts 40c2ca96411caaeab1563ff9041879f742d1d71b from rust-lang/rust#142416. Unfortunately I missed this during review.
- Commit 1: Reverts 40c2ca96411caaeab1563ff9041879f742d1d71b and re-applies rust-lang/rust#134883.
- Commit 2: Check `./x check bootstrap` in `pr-check-1` to catch "obvious" problems like this.
r? Kobzol
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change_tracker: fix a typo
there is no `llvm.lld` option
r? `@Kobzol`
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bootstrap: Move musl-root fallback out of sanity check
Previously, the musl root would only be set to the fallback `/usr` by the sanity check, which isn't ran for the bootstrap tests.
r? ``````@Kobzol``````
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Since rust-lang/rust be35d37d8b6c ("Use the compiler to determine
whether or not to enable f16 and f128"), `compiler-builtins` relies on
`rustc` to report whether or not `f16` and `f128` are supported, which
is reported by the backend. This means that there should no longer be
any need to unconditionally disable the types for clif in Bootstrap.
Backend config: https://github.com/rust-lang/rust/blob/a955f1cd09a027363729ceed919952d09f76f28e/compiler/rustc_codegen_cranelift/src/lib.rs#L224-L233
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there is no `llvm.lld` option
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I missed this during review. We cannot declare a `tests` module within
`shared_helpers.rs` itself, as shim binaries that tries to include the
`shared_helpers` module through `#[path = ".."]` attributes would fail
to find it, breaking `./x check bootstrap`.
This reverts commit `40c2ca96411caaeab1563ff9041879f742d1d71b`.
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pass build.npm from bootstrap to tidy and use it for npm install
followup to rust-lang/rust#142924
r? ```@Kobzol```
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Signed-off-by: Jens Reidel <adrian@travitia.xyz>
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bootstrap: add package.json and package-lock.json to dist tarball
this ensures that js-related tests can still be run from within such a dist tarball.
followup to rust-lang/rust#142924
r? ```````@Kobzol```````
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Add powerpc64le-unknown-linux-musl to CI rustc targets
I missed this in the promotion to tier 2 with host tools.
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Move `std_detect` into stdlib
This PR moves the `std_detect` crate from `stdarch` to be a part of rust-lang/rust instead.
The first commit actually moves the whole directory from the stdarch Josh subtree, so that git blame history is kept intact. Then I had to make a few changes to appease `tidy`.
The most complex thing here is porting the tests. We can't have `std_detect` both in r-l/r and stdarch, because they could get desynchronized, so we have to perform the move more or less "atomically", which means that we also have to port all the existing `std_detect` tests from the `stdarch` repository.
The stdarch repo runs the following `std_detect` tests:
### Build
The `build-std-detect.sh` script (https://github.com/rust-lang/stdarch/blob/e2b6512aed87df45294ae680181eeef7a802cd95/ci/build-std-detect.sh) builds `std_detect` using the nightly compiler for several targets. This will be subsumed by normal `x build library` on our Tier 1/2 targets. However, the stdarch repository also tests the following targets:
- aarch64-unknown-freebsd
- armv6-unknown-freebsd
- powerpc-unknown-freebsd
- powerpc64-unknown-freebsd
- aarch64-unknown-openbsd
Which we don't build/test on our CI currently. I think we have mostly two options here:
1) Ignore these targets
2) Create a special CI job that will build stage 1 rustc and then cross-compile std (or just the `std_detect` crate?) for these targets.
### Documentation
The `dox.sh` script (https://github.com/rust-lang/stdarch/blob/3fec5adcd52a815f227805d4959a25b6402c7fd5/ci/dox.sh) builds and documents `std_detect` for several targets. All of them are Tier 2/we have `dist-` jobs for them, so I think that we can just skip this and let our normal CI subsume it?
### Tests
The `run.sh` script (https://github.com/rust-lang/stdarch/blob/1b201cec2cca7465602a65ed6ae60517224b15f3/ci/run.sh) runs `cargo test` on `std_detect` with a bunch of variations of feature flags. This will be subsumed by `x test library` in our CI. The only problem is that `stdarch` runs these tests for a ludicrous number of targets:
```
- tuple: i686-unknown-linux-gnu
- tuple: x86_64-unknown-linux-gnu
- tuple: arm-unknown-linux-gnueabihf
- tuple: armv7-unknown-linux-gnueabihf
- tuple: aarch64-unknown-linux-gnu
- tuple: aarch64_be-unknown-linux-gnu
- tuple: riscv32gc-unknown-linux-gnu
- tuple: riscv64gc-unknown-linux-gnu
- tuple: powerpc-unknown-linux-gnu
- tuple: powerpc64-unknown-linux-gnu
- tuple: powerpc64le-unknown-linux-gnu
- tuple: s390x-unknown-linux-gnu
- tuple: i586-unknown-linux-gnu
- tuple: nvptx64-nvidia-cuda
- tuple: thumbv6m-none-eabi
- tuple: thumbv7m-none-eabi
- tuple: thumbv7em-none-eabi
- tuple: thumbv7em-none-eabihf
- tuple: loongarch64-unknown-linux-gnu
- tuple: wasm32-wasip1
- tuple: x86_64-apple-darwin
- tuple: x86_64-apple-ios-macabi
- tuple: aarch64-apple-darwin
- tuple: aarch64-apple-ios-macabi
- tuple: x86_64-pc-windows-msvc
- tuple: i686-pc-windows-msvc
- tuple: aarch64-pc-windows-msvc
- tuple: x86_64-pc-windows-gnu
- tuple: aarch64-unknown-linux-gnu
- tuple: aarch64_be-unknown-linux-gnu
- tuple: armv7-unknown-linux-gnueabihf
- tuple: loongarch64-unknown-linux-gnu
- tuple: powerpc-unknown-linux-gnu
- tuple: powerpc64-unknown-linux-gnu
- tuple: powerpc64le-unknown-linux-gnu
- tuple: riscv32gc-unknown-linux-gnu
- tuple: riscv64gc-unknown-linux-gnu
- tuple: s390x-unknown-linux-gnu
- tuple: x86_64-unknown-linux-gnu
- tuple: aarch64-apple-darwin
- tuple: aarch64-apple-ios-macabi
```
We definitely do not run *tests* for all of these targets on our CI.
# Outcome
We have decided to just subsume std_detect tests by our normal test suite for now, and not create a separate CI job. Therefore, this PR performs the following changes in target testing for `std_detect`:
The following T3 targets would go from "build" to "nothing":
```
aarch64-unknown-freebsd (T3)
armv6-unknown-freebsd (T3)
powerpc-unknown-freebsd (T3)
powerpc64-unknown-freebsd (T3)
aarch64-unknown-openbsd (T3)
```
The following T3 targets would go from "test" to "nothing":
```
aarch64_be-unknown-linux-gnu (T3)
riscv32gc-unknown-liux-gnu (T3)
```
The following T2 targets would go from "test" to "build":
```
arm-unknown-linux-gnueabihf (T2)
armv7-unknown-linux-gnueabihf (T2)
riscv64gc-unknown-linux-gnu (T2)
powerpc-unknown-linux-gnu (T2)
powerpc64-unknown-linux-gnu (T2)
powerpc64le-unknown-linux-gnu (T2)
s390x-unknown-linux-gnu (T2)
i586-unknown-linux-gnu (T2)
loongarch64-unknown-linux-gnu (T2)
wasm32-wasip1 (T2)
x86_64-apple-ios-macabi (T2)
aarch64-apple-ios-macabi (T2)
aarch64-pc-windows-msvc (T2)
armv7-unknown-linux-gnueabihf (T2)
loongarch64-unknown-linux-gnu (T2)
powerpc-unknown-linux-gnu (T2)
```
I have confirmed in https://github.com/rust-lang/stdarch/pull/1873 that the current version of this PR would pass stdarch's CI testsuite.
r? `@ghost`
try-job: armhf-gnu
try-job: arm-android
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Rename `tests/{assembly,codegen}` into `tests/{assembly,codegen}-llvm` and ignore these testsuites if configured backend doesn't match
Follow-up of https://github.com/rust-lang/rust/pull/144125.
This PR changes `compiletest` so that `asm` tests are only run if they match the current codegen backend. To better reflect it, I renamed the `tests/ui/asm` folder into `tests/ui/asm-llvm`. Like that, we can add new asm tests for other backends if we want without needing to add extra code to `compiletest`.
Next step will be to use the new code annotations added in rust-lang/rust#144125 to ignore ui tests failing in cg_gcc until it's fixed on our side.
cc `@antoyo` `@oli-obk`
r? `@Kobzol`
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Previously, the musl root would only be set to the fallback /usr by
the sanity check, which isn't ran for the bootstrap tests.
Signed-off-by: Jens Reidel <adrian@travitia.xyz>
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this ensures that js-related tests can still be run from within
such a dist tarball.
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I missed this in the promotion to tier 2 with host tools.
Signed-off-by: Jens Reidel <adrian@travitia.xyz>
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r=Kobzol
Fix empty target_config in apply_rust_config bootstrap
This PR fixes the issue of an empty target_config in apply_rust_config, which was caused by the ordering of TOML config parsing. This was inadvertently introduced during the last config refactor. The test and the corresponding configuration order have been corrected in this PR.
r? ```@Kobzol```
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tidy: move rustdoc js stuff into a tidy extra check
Most of these were factored out of CI scripts, but `eslint` in particular was previously implemented with its own special cased logic.
A new option has been added to bootstrap, `build.tidy-extra-checks`, which serves as a default value for the `--extra-checks` flag. This is mostly for the benefit of rustdoc js maintainers, but should also help bootstrap py maintainers.
Additionally, `--extra-checks=cpp` has been documented.
I'm not super happy with how long the extra check names are in comparison to the others (in particular `typecheck`), but I couldn't think of anything better (I didn't want to name it `tsc` on the off chance we want to switch to a different typechecking engine in the future).
It would be nice to convert the extra checks arg into a proper enum, both for warning on unknown values and to provide better shell completion.
r? ```@GuillaumeGomez```
Fixes: https://github.com/rust-lang/rust/issues/144093
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clippy: make tests work in stage 1
This finally fixes https://github.com/rust-lang/rust/issues/78717 :)
Similar to what Miri already does, the clippy test step needs to carefully consider which compiler is used to build clippy and which compiler is linked into clippy (and thus must be used to build the test dependencies). On top of that we have some extra complications that Miri avoided by using `cargo-miri` for building its test dependencies: we need cargo to use the right rustc and the right sysroot, but https://github.com/rust-lang/cargo/issues/4423 makes this quite hard to do. See the long comment in `src/tools/clippy/tests/compile-test.rs` for details.
Some clippy tests tried to import rustc crates; that fundamentally requires a full bootstrap loop so it cannot work in stage 1. I had to kind of guess what those tests were doing so I don't know if my changes there make any sense.
Cc ```@flip1995``` ```@Kobzol```
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Implement `check` for compiletest and RA using tool macro
Small cleanup to reduce the number of places that require custom check steps. Of course I had to include one mini hack because of Rust Analyzer.. but I think it's worth it here.
r? ````@jieyouxu````
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add test for lld opt in and also add thread_local defined state to change opt in targets
make the config lld test parameter smoother to work, and have no_llvm_config set even when target_config is not present
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Add new `ignore-backends` and `needs-backends` tests annotations
Part of https://github.com/rust-lang/compiler-team/issues/891.
Next step will be to add these annotations in the files where either the output is different based on the codegen (like `asm` tests) or that are known to fail in the GCC backend.
cc `@oli-obk` `@antoyo`
r? `@Kobzol`
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bootstrap: Ignore `rust.debuginfo-level-tests` for codegen tests
As dicussed in https://github.com/rust-lang/rust/issues/61117#issuecomment-495587364, codegen tests typically depend on the raw LLVM IR output and are sensitive to debuginfo level. So do not apply `rust.debuginfo-level-tests` for codegen tests.
Before this commit:
$ ./x test --set rust.debuginfo-level-tests=2 tests/codegen --force-rerun
test result: FAILED. 654 passed; 136 failed; 75 ignored; 0 measured; 0 filtered out; finished in 3.22s
After this commit:
$ ./x test --set rust.debuginfo-level-tests=2 tests/codegen --force-rerun
NOTE: ignoring `rust.debuginfo-level-tests=2` for codegen tests
test result: ok. 790 passed; 0 failed; 75 ignored; 0 measured; 0 filtered out; finished in 3.21s
### Run this in CI?
Maybe it will make sense to add this to CI later but I think it is too early to do now before more non-codegen tests work with `rust.debuginfo-level-tests=2`.
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bootstrap: Don't trigger an unnecessary LLVM build from check builds
Coming back to r-l/r development after a few weeks away, I found a major regression in my dev workflows: running `x check compiler` (either manually or via rust-analyzer) would have the side-effect of building LLVM, even though that shouldn't be necessary.
For my main build directory this would be a minor annoyance, but for my separate rust-analyzer build directory it's a huge problem because it causes a completely separate build of LLVM, which takes a long time and should be completely unnecessary.
---
After some investigation, I tracked down the problem to the `can_skip_build` check in this code:
https://github.com/rust-lang/rust/blob/3014e79f9c8d5510ea7b3a3b70d171d0948b1e96/src/bootstrap/src/core/build_steps/compile.rs#L1382-L1396
Historically, this would skip the LLVM build for stage 0 check builds. But after the recent stage 0 std redesign and some associated check stage renumbering (e.g. rust-lang/rust#143048), the condition `builder.top_stage == build_stage` is now false, because `top_stage` is 1 (due to the renumbering) but `build_stage` is 0 (because a “stage 1” non-library check build still uses the stage 0 compiler).
---
Because this is a critical contributor roadblock for me, I have tried to fix this in a relatively narrow way. It's possible that all of this surrounding logic could be greatly simplified (especially in light of the stage redesign changes), but I didn't want this fix to be held back by scope creep.
---
(Zulip thread: https://rust-lang.zulipchat.com/#narrow/channel/326414-t-infra.2Fbootstrap/topic/Bootstrap.20incorrectly.20building.20LLVM.20for.20check.20builds/near/528991035)
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Add `ToolTarget` to bootstrap
Oh, you thought I'm done with refactoring bootstrap tools? Na-ah, think again! After the failure of https://github.com/rust-lang/rust/pull/143581, `ToolTarget` is back with a vengeance. This time, I implemented the test changes and tool cleanups without forcing these tools to be built with the stage0 compiler.
There are still some small wins though, `LlvmBitcodeLinker` now starts at stage 1, and not stage 2. Cargo should also be ported to this new mode, but I'm leaving that for a follow-up PR.
Hopefully X-th time's the charm :crossed_fingers:
r? `@jieyouxu`
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