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Apply LTO config to rustdoc
Before, the LTO configuration from `config.toml` was not applied to `rustdoc`. This provides a small perf. and binary size [win](https://github.com/rust-lang/rust/pull/112049#issuecomment-2605131041) for doc builds.
Since this is configured with Cargo profiles and not rustflags, it should not break tool build cache (https://github.com/rust-lang/rust/pull/131155). I tried to run `x test miri`, `x test rustdoc` and `x test miri` and nothing was rebuilt.
r? `@onur-ozkan`
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Rollup of 8 pull requests
Successful merges:
- #126604 (Uplift `clippy::double_neg` lint as `double_negations`)
- #135158 (Add `TooGeneric` variant to `LayoutError` and emit `Unknown`)
- #135635 (Move `std::io::pipe` code into its own file)
- #136072 (add two old crash tests)
- #136079 (compiler_fence: fix example)
- #136091 (Add some tracing to core bootstrap logic)
- #136097 (rustc_ast: replace some len-checks + indexing with slice patterns etc.)
- #136101 (triagebot: set myself on vacation)
r? `@ghost`
`@rustbot` modify labels: rollup
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Put the core unit tests in a separate coretests package
Having standard library tests in the same package as a standard library crate has bad side effects. It causes the test to have a dependency on a locally built standard library crate, while also indirectly depending on it through libtest. Currently this works out fine in the context of rust's build system as both copies are identical, but for example in cg_clif's tests I've found it basically impossible to compile both copies with the exact same compiler flags and thus the two copies would cause lang item conflicts.
This PR moves the tests of libcore to a separate package which doesn't depend on libcore, thus preventing the duplicate crates even when compiler flags don't exactly match between building the sysroot (for libtest) and building the test itself. The rest of the standard library crates do still have this issue however.
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Support QNX 7.1 with `io-sock`+libstd and QNX 8.0 (`no_std` only)
Changes of this pull request:
1. Refactor code for qnx nto targets to share more code in file `nto_qnx.rs`
1. Add support for an additional network stack on nto qnx 7.1.
QNX 7.1 supports two network stacks:
1. `io-pkt`, which is default
2. `io-sock`, which is optional on 7.1 but default in QNX 8.0
As one can see in the [io-sock migration notes](https://www.qnx.com/developers/docs/7.1/index.html#com.qnx.doc.neutrino.io_sock/topic/migrate_app.html), this changes the libc API in a way similar to e.g. linux-gnu vs. linux-musl.
This change adds a new target which has a different value for `target_env`, so that e.g. libc can distinguish between both APIs.
2. Add initial support for QNX 8.0, thanks to AkhilTThomas. As it turned out, the problem with forking many processes still exists in QNX 8.0. Because if this, we are now using it for any QNX version (i.e. not check for `target_env` anymore).
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show linker output even if the linker succeeds
Show stderr and stderr by default, controlled by a new `linker_messages` lint.
fixes https://github.com/rust-lang/rust/issues/83436. fixes https://github.com/rust-lang/rust/issues/38206. cc https://rust-lang.zulipchat.com/#narrow/stream/233931-t-compiler.2Fmajor-changes/topic/uplift.20some.20-Zverbose.20calls.20and.20rename.20to.E2.80.A6.20compiler-team.23706/near/408986134
<!-- try-job: dist-x86_64-msvc -->
try-job: aarch64-apple
r? `@bjorn3`
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Bootstrap: Don't move ownership of job object
I've been thinking about this since the last time I looked at bootstrap's use of job objects. We currently pass ownership of the job object to Python. I feel this is unneeded complexity.
The rationale given (in a comment) is that it helps with `ctrl-c` on `x.py`. But using `ctrl-c` when running `x.py` will also cause `bootstrap.exe` to immediately exit so I don't find that convincing.
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ld is showing things like this:
```
ld: ignoring duplicate libraries: '-lm'
```
I don't have time or a macbook that lets me investigate these. Just silence them for now.
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Signed-off-by: Florian Bartels <Florian.Bartels@elektrobit.com>
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Signed-off-by: Florian Bartels <Florian.Bartels@elektrobit.com>
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stack on aarch64
Signed-off-by: Florian Bartels <Florian.Bartels@elektrobit.com>
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Make it possible to build GCC on CI
This is the first step towards eventually enabling download of precompiled GCC from our CI.
Currently, we prebuild `libgccjit` on CI and cache it in Docker. This PR improves the bootstrap GCC step to make it work on CI, and also to make it faster by using sccache. After this change, an actual build on CI should take only 2-3 minutes.
Note that this PR does not yet remove the `build-gccjit.sh` script and replace it with the bootstrap step, I'll leave that to a follow-up PR.
The added `flex` package and the ZSTD library fix were needed to make GCC build on CI.
CC ``````@GuillaumeGomez``````
r? ``````@onur-ozkan``````
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improvements on `build_steps::test` implementation
Reviewing commits one-by-one should make it easier to understand.
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fix outdated file path ref in llvm
This was added years ago and is outdated today.
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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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Signed-off-by: onur-ozkan <work@onurozkan.dev>
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This was added years ago and is outdated today.
Signed-off-by: onur-ozkan <work@onurozkan.dev>
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Before, the LTO configuration from `config.toml` was not applied to `rustdoc`.
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This is the first step to enable download of precompiled GCC
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CI: split x86_64-msvc job using windows 2025
try-job: x86_64-msvc-1
try-job: x86_64-msvc-2
try-job: dist-x86_64-msvc
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Do not include GCC source code in source tarballs
The licensing story is unclear, it makes the archive much larger, and we should not need it for building anything in the tarballs (yet).
```
Before:
121s building the archive
1.3 GiB gzipped size
5.7 GiB extracted size
402519 extracted files
After:
64s building the archive
961 MiB gzipped size
4.5 GiB extracted size
257719 extracfed files
```
Fixes: https://github.com/rust-lang/rust/issues/135606
r? `@ehuss`
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Add Profile Override for Non-Git Sources
## PR description
- Fixes #135358
This PR introduces the following updates to
1. `bootstrap.py`:
- If the `profile` is `None` and the source is non-git, the `profile` is automatically overridden to `"dist"`.
- Ensures that options like `download-ci-llvm` and `download-rustc` are not used with non-git sources. An exception is raised if these options are present in the configuration when the source is non-git.
2. `bootstrap_test.py`
- Added unit tests to verify both the profile override mechanism and the assertion for restricted options.
These tests ensure the correct behavior for non-git sources and the handling of `if-unchanged` options.
r? `@onur-ozkan`
`@rustbot` T-bootstrap
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Add debug assertions to compiler profile
Working on the compiler without debug assertions is not a very productive way to work on the compiler.
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make it possible to use ci-rustc on tarball sources
Previously, bootstrap was using `Config::last_modified_commit` unconditionally to figure the commit to download precompiled rustc artifact from CI, which was leading builds to fail on tarball sources as `Config::last_modified_commit` requires `git` to be present in the project source. This change makes bootstrap to call `Config::last_modified_commit` only when it's running on git-managed source and read `git-commit-hash` file otherwise.
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Working on the compiler without debug assertions is not a very
productive way to work on the compiler.
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Previously, bootstrap was using `Config::last_modified_commit` unconditionally to figure
the commit has to download precompiled rustc artifact from CI, which was leading builds to
fail on tarball sources as `Config::last_modified_commit` requires `git` to be present in the project
source. This change makes bootstrap to call `Config::last_modified_commit` only when it's running on
git-managed source and read `git-commit-hash` file otherwise.
Signed-off-by: onur-ozkan <work@onurozkan.dev>
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CI: split i686-msvc job to two free runners
try-job: i686-msvc-1
try-job: i686-msvc-2
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Rollup of 7 pull requests
Successful merges:
- #133700 (const-eval: detect more pointers as definitely not-null)
- #135290 (Encode constraints that hold at all points as logical edges in location-sensitive polonius)
- #135478 (Run clippy for rustc_codegen_gcc on CI)
- #135583 (Move `std::pipe::*` into `std::io`)
- #135612 (Include x scripts in tarballs)
- #135624 (ci: mirror buildkit image to ghcr)
- #135661 (Stabilize `float_next_up_down`)
r? `@ghost`
`@rustbot` modify labels: rollup
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Include x scripts in tarballs
Helps to provide 1:1 build experience between git-managed and tarball sources.
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Run clippy for rustc_codegen_gcc on CI
Requested on [Zulip](https://rust-lang.zulipchat.com/#narrow/channel/242791-t-infra/topic/Run.20clippy.20for.20rustc_codegen_gcc.20in.20the.20Rust.20CI).
Opening as a draft, since it's not clear which rules should be applied to it.
r? `@ghost`
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The licensing story is unclear, it makes the archive much larger, and we should not need it for building anything in the tarballs (yet).
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RUSTC_IF_UNCHANGED_ALLOWED_PATHS
fixes https://github.com/rust-lang/rust/issues/135650
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Helps to provide 1:1 build experience between git-managed and tarball sources.
Signed-off-by: onur-ozkan <work@onurozkan.dev>
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Signed-off-by: onur-ozkan <work@onurozkan.dev>
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bootstrap: still require `COMPILETEST_FORCE_STAGE0` for `./x test rustdoc-js --stage 0`
This PR reverts #135375, because through some more testing I found out `./x test rustdoc-js --stage 0` does not in fact build rustdoc, and all the tests fail. This can't be intended behavior, so at least require `COMPILETEST_FORCE_STAGE0` to make it less likely to run `rustdoc-js --stage 0` by accident.
The problem that `--stage 0` is not working at all for this rustdoc-js test suite is tracked over at #135603.
cc `@lolbinarycat`
r? bootstrap
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--stage 0`
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Add license-metadata.json to rustc-src tarball.
Adds a license-metadata.json to the source tarball.
This file was reported as missing as a comment on #133461, and it prevents you building the compiler from the source tarball (unless you re-generate it yourself, which is non-obvious and requires `reuse` to be installed).
r? Kobzol
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resolve symlinks of LLVM tool binaries before copying them
There is a chance that these tools are being installed from an external LLVM and we have no control over them. If any of these tools use symlinks, they will fail during tarball distribution. This change makes copying process to resolve symlinks just before placing them into the destination path.
Fixes https://github.com/rust-lang/rust/issues/135554
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