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Speed up bootstrap a little.
The bootstrap script was calling `cargo metadata` 3 times (or 6 with `-v`). This is a very expensive operation, and this attempts to avoid the extra calls. On my system, a simple command like `./x.py test -h -v` goes from about 3 seconds to 0.4.
An overview of the changes:
- Call `cargo metadata` only once with `--no-deps`. Optional dependencies are filtered in `in_tree_crates` (handling `profiler_builtins` and `rustc_codegen_llvm` which are driven by the config).
- Remove a duplicate call to `metadata::build` when using `-v`. I'm not sure why it was there, it looks like a mistake or vestigial from previous behavior.
- Remove check for `_shim`, I believe all the `_shim` crates are now gone.
- Remove check for `rustc_` and `*san` for `test::Crate::should_run`, these are no longer dependencies in the `test` tree.
- Use relative paths in `./x.py test -h -v` output.
- Some code cleanup (remove unnecessary `find_compiler_crates`, etc.).
- Show suite paths (`src/test/ui/...`) in `./x.py test -h -v` output.
- Some doc comments.
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Remove vestigial CI job msvc-aux.
This CI job isn't really doing anything, so it seems prudent to remove it.
For some history:
* This was introduced in #48809 when the msvc job was split in two to keep it under 2 hours (oh the good old days). At the time, this check-aux job did a bunch of things:
* tidy
* src/test/pretty
* src/test/run-pass/pretty
* src/test/run-fail/pretty
* src/test/run-pass-valgrind/pretty
* src/test/run-pass-fulldeps/pretty
* src/test/run-fail-fulldeps/pretty
* Tidy was removed in #60777.
* run-pass and run-pass-fulldeps moved to UI in #63029
* src/test/pretty removed in #58140
* src/test/run-fail moved to UI in #71185
* run-fail-fulldeps removed in #51285
Over time through attrition, the job was left with one lonely thing: `src/test/run-pass-valgrind/pretty`. And of course, this wasn't actually running the "pretty" tests. The normal `run-pass-valgrind` tests ran, and then when it tried to run in "pretty" mode, all the tests were ignored because compiletest thought nothing had changed (apparently compiletest isn't fingerprinting the mode? Needs more investigation…). `run-pass-valgrind` is already being run as part of `x86_64-msvc-1`, so there's no need to run it here.
I've taken the liberty of removing `src/test/run-pass-valgrind/pretty` as a distinct test. I'm guessing from the other PR's that the pretty tests should now live in `src/test/pretty`, and that the team has moved away from doing pretty tests on other parts of the `src/test` tree.
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This should run much faster.
There are also some drive-by cleanups here to try to simplify things.
Also, the paths for in-tree crates are now displayed as relative
in `x.py test -h -v`.
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Clippy's tests were failing the build, but that failure was ignored in favor of
checking toolstate. This is the correct behavior for toolstate-checked tools,
but Clippy no longer updates its toolstate status as it should always build.
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Make remote-test-client and remote-test-server compatible with windows
`compiletest` and `remote-test-client`:
The command line for `remote-test-client` was changed slightly to allow cross-platform compatible paths. The old way of supplying the support libs was by joining their paths with the executable path
with `:`. This caused Windows-style paths to be split after the directory letter. Now, the number of support libs is provided as a parameter as well, and the support lib paths are split off from the regular args in the client.
`remote-test-server`:
- Marked Unix-only parts as such and implemented Windows alternatives
- On Windows `LD_LIBRARY_PATH` doesn't exist. Libraries are loaded from `PATH` though, so that's the way around it.
- Tiny cleanup: `Command::args`/`envs` instead of manually looping over them
- The temp path for Windows has to be set via environment variable, since there isn't a global temp directory that would work on every machine (as a static string)
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Since cargo appends executable/args, the support_lib count
parameter has to come first.
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This just unwraps clippy's build step instead of skipping tests if clippy didn't
build. This matches e.g. cargo's behavior and seems more correct, as we always
expect clippy to successfully build.
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bootstrap: remove lldb dist packaging
The lldb-preview rustup package is missing on every single target, and has never been shipped beyond x86_64-apple-darwin. It was removed in #62592 which landed around a year ago, and there's not been demand that we re-enable it since, so we're now removing support entirely to cleanup the code a bit.
The hope is that this will also kill the useless "lldb-preview" row on https://rust-lang.github.io/rustup-components-history/.
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it's not been built since a long time ago
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So that the rlibs will work with both LTO and non-LTO builds.
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Move rustc-guide submodule to rustc-dev-guide
r? @pietroalbini
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This is a follow-up to #70123, which added `llvm-config --libdir` to the
`LIBRARY_PATH` for rustc tools. We need the same for "run-make-fulldeps"
and "ui-fulldeps" tests which depend on compiler libraries, implicitly
needing to link to `-lLLVM` as well.
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Add GitHub Actions configuration
This PR adds the GitHub Actions configuration to the rust-lang/rust repository. The configuration will be run in parallel with Azure Pipelines until the evaluation finishes: the infrastructure team will then decide whether to switch.
Since GitHub Actions doesn't currently have any way to include pieces of configuration, this also adds the `src/tools/expand-yaml-anchors` tool, which serves as a sort of templating system. Otherwise the configuration is a mostly straight port from the Azure Pipelines configuration (thanks to all the PRs opened in the past).
There are still a few small things I need to fix before we can land this, but it's mostly complete and ready for an initial review.
r? @Mark-Simulacrum
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tidy: Better license checks.
This implements some improvements to the license checks in tidy:
* Use `cargo_metadata` instead of parsing vendored crates. This allows license checks to run without vendoring enabled, and allows the checks to run on PR builds.
* Check for stale entries.
* Check that the licenses for exceptions are what we think they are.
* Verify exceptions do not leak into the runtime.
Closes #62618
Closes #62619
Closes #63238 (I think)
There are some substantive changes here. The follow licenses have changed from the original comments:
* openssl BSD+advertising clause to Apache-2.0
* pest MPL2 to MIT/Apache-2.0
* smallvec MPL2 to MIT/Apache-2.0
* clippy lints MPL2 to MIT OR Apache-2.0
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Rollup of 5 pull requests
Successful merges:
- #68863 (ci: switch macOS builders to 10.15)
- #69142 (Add shared script for linkchecking books.)
- #69248 (Don't eliminate frame pointers on thumb targets)
- #69280 (Remove special case for `simd_shuffle` arg promotion)
- #69284 (Reword OpenOptions::{create, create_new} doc.)
Failed merges:
r? @ghost
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Fix running rustdoc-js test suite individually
Without `Compiletest.path` set running `x.py test src/test/rustdoc-js` would run the `rustdoc-js` test suite with everything filtered out.
As this was the only place setting `Compiletest.path` to `None` this removes the `Option` wrapper as well.
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Without `Compiletest.path` set running `x.py test src/test/rustdoc-js` would run the `rustdoc-js` test suite with everything filtered out.
As this was the only place setting `Compiletest.path` to `None` this removes the `Option` wrapper as well.
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Add an option to use LLD to link the compiler on Windows platforms
Based on https://github.com/rust-lang/rust/pull/68609.
Using LLD is good way to improve compile times on Windows since `link.exe` is quite slow. The time for `x.py build --stage 1 src/libtest` goes from 0:12:00 to 0:08:29. Compile time for `rustc_driver` goes from 226.34s to 18.5s. `rustc_macros` goes from 28.69s to 7.7s. The size of `rustc_driver` is also reduced from 83.3 MB to 78.7 MB.
r? @Mark-Simulacrum
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Previous implementation used a single mode type to store various pieces
of otherwise loosely related information:
* Whether debuginfo mode is in use or not.
* Which debuggers should run in general.
* Which debuggers are enabled for particular test case.
The new implementation introduces a separation between those aspects.
There is a single debuginfo mode parametrized by a debugger type.
The debugger detection is performed first and a separate configuration
is created for each detected debugger. The test cases are gathered
independently for each debugger which makes it trivial to implement
support for `ignore` / `only` conditions.
Functional changes:
* A single `debuginfo` entry point (rather than `debuginfo-cdb`, `debuginfo-gdb+lldb`, etc.).
* Debugger name is included in the test name.
* Test outputs are placed in per-debugger directory.
* Fixed spurious hash mismatch. Previously, the config mode would change
from `DebugInfoGdbLldb` (when collecting tests) to `DebugInfoGdb` or
`DebugInfoLldb` (when running them) which would affect hash computation.
* PYTHONPATH is additionally included in gdb hash.
* lldb-python and lldb-python-dir are additionally included in lldb hash.
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