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The x.py script fails with `ValueError: too many values to unpack (expected 3)` when uname -smp gives more than 3 words
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Add support for NetBSD/aarch64-be (big-endian arm64).
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- fix tests when `--build` is set
- don't leak `config.example.toml` fd
- don't crash if `config.toml` doesn't exist yet
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It generates invalid TOML. I want to get rid of it eventually, but this avoids the issue in the meantime.
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These weren't being passed in to bootstrap consistently before; in particular `serialize_and_parse` forgot to pass them in.
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This moves a lot of code around, but the logic itself is not too terribly complicated.
- Move almost all logic in `def bootstrap` to the `RustBuild` class, to avoid mixing setting configuration with running commands
- Update various doctests to the new (more complete) RustBuild config. In particular, don't pretend that `bin_root` supports `build` being unset.
- Change `parse_args` not to use a global, to allow testing it
- Set BUILD_DIR appropriately so bootstrap.py doesn't panic because cargo isn't found
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Add `--warnings warn` flag to `x.py`
So that bootstrap itself can be built with warnings not being treated as errors.
Fixes: https://github.com/rust-lang/rust/issues/76805
r? ```@jyn514```
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Respect CARGOFLAGS in bootstrap.py
This makes it possible to pass flags to bootstrap itself, for consistency with std/rustc: https://github.com/rust-lang/rust/blob/04265621f9a82cfc2fc2278b935dcc5d4a1c39b7/src/bootstrap/builder.rs#L1446-L1447
Like RUSTFLAGS, this doesn't support CARGOFLAGS_BOOTSTRAP: https://github.com/rust-lang/rust/blob/6674dcda7a1da4c66e0aa0cfc67b27e42f4ebb34/src/bootstrap/bootstrap.py#L883-L884
I found this useful recently when I wanted to pass `-Zsparse-registry` to an old checkout of the compiler from before it was stabilized in cargo.
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So that bootstrap itself can be built with warnings not being treated as errors.
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... by enabling xgot feature
Co-Authored-By: Zixing Liu <zixing.liu@canonical.com>
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Improve startup time of bootstrap
~~If the user has a `build/host` symlink set up, we can determine the target triple by reading it rather than invoking rustc. This significantly reduces startup time of bootstrap once any kind of build has been done~~
New approach explained below
```
➜ hyperfine -p 'git checkout -q master' -N './x.py -h' -r 50
Benchmark 1: ./x.py -h
Time (mean ± σ): 140.7 ms ± 2.6 ms [User: 99.9 ms, System: 39.3 ms]
Range (min … max): 136.8 ms … 149.6 ms 50 runs
➜ rust git:(master) hyperfine -p 'git checkout -q speedup-bootstrap-py' -N './x.py -h' -r 50
Benchmark 1: ./x.py -h
Time (mean ± σ): 95.2 ms ± 1.5 ms [User: 67.7 ms, System: 26.7 ms]
Range (min … max): 92.9 ms … 99.6 ms 50 runs
```
Also a small microoptimisation in using string splitting rather than regex when reading toml, which saves a few more milliseconds (2-5 testing locally), but less important.
Profiling shows the remaining runtime is around half setting up the Python runtime, and the vast majority of the remaining time is spent in subprocess building and running bootstrap itself, so probably can't be improved much further.
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... using server-reported timestamp.
This allows us to track changes to the downloaded artifact more easily
and in a more reproducible manner.
Co-authored-by: Zixing Liu <zixing.liu@canonical.com>
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Wrap all of x.py in `if __name__ == '__main__':` to avoid problems with `multiprocessing`
Make the pool sizing better
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Parallelize initial Rust download in bootstrap
Parallelize the initial download of Rust in `bootstrap.py`
`time ./x.py --help` after `rm -r build`
Before: 33s
After: 27s
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This is quite slow and embarassingly parallel, even in python.
This speeds up the initial bootstrap build by about 5-10s.
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Output some bootstrap messages on stderr
Fixes #110995
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This fixes the following recurring error on windows:
```
Traceback (most recent call last):
File "C:\Users\jyn\src\rust\x.py", line 29, in <module>
bootstrap.main()
File "C:\Users\jyn\src\rust\src\bootstrap\bootstrap.py", line 963, in main
bootstrap(args)
File "C:\Users\jyn\src\rust\src\bootstrap\bootstrap.py", line 927, in bootstrap
build.download_toolchain()
File "C:\Users\jyn\src\rust\src\bootstrap\bootstrap.py", line 437, in download_toolchain
shutil.rmtree(bin_root)
File "C:\Users\jyn\AppData\Local\Programs\Python\Python311\Lib\shutil.py", line 759, in rmtree
return _rmtree_unsafe(path, onerror)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\jyn\AppData\Local\Programs\Python\Python311\Lib\shutil.py", line 617, in _rmtree_unsafe
_rmtree_unsafe(fullname, onerror)
File "C:\Users\jyn\AppData\Local\Programs\Python\Python311\Lib\shutil.py", line 622, in _rmtree_unsafe
onerror(os.unlink, fullname, sys.exc_info())
File "C:\Users\jyn\AppData\Local\Programs\Python\Python311\Lib\shutil.py", line 620, in _rmtree_unsafe
os.unlink(fullname)
PermissionError: [WinError 5] Access is denied: 'C:\\Users\\jyn\\src\\rust\\build\\x86_64-pc-windows-msvc\\stage0\\bin\\rust-analyzer-proc-macro-srv.exe'
```
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Spelling src bootstrap
The various src/* items seem slightly disparate, so I'm doing src/* individually.
split from #110392
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* although
* correct
* granular
* libunwind
* repository
* section
Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>
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This make `_download_component_helper` "pure".
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This also
* bumps cargo to the latest in rust-lang/cargo.
* adds 0BSD to allowed list of licenses
Co-authored-by: Scott Schafer <schaferjscott@gmail.com>
Co-authored-by: Eric Huss <eric@huss.org>
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Initial support for loongarch64-unknown-linux-gnu
Hi, We hope to add a new port in rust for LoongArch.
LoongArch intro
LoongArch is a RISC style ISA which is independently designed by Loongson
Technology in China. It is divided into two versions, the 32-bit version (LA32)
and the 64-bit version (LA64). LA64 applications have application-level
backward binary compatibility with LA32 applications. LoongArch is composed of
a basic part (Loongson Base) and an expanded part. The expansion part includes
Loongson Binary Translation (LBT), Loongson VirtualiZation (LVZ), Loongson SIMD
EXtension (LSX) and Loongson Advanced SIMD EXtension(LASX).
Currently the LA464 processor core supports LoongArch ISA and the Loongson
3A5000 processor integrates 4 64-bit LA464 cores. LA464 is a four-issue 64-bit
high-performance processor core. It can be used as a single core for high-end
embedded and desktop applications, or as a basic processor core to form an
on-chip multi-core system for server and high-performance machine applications.
Documentations:
ISA:
https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html
ABI:
https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html
More docs can be found at:
https://loongson.github.io/LoongArch-Documentation/README-EN.html
Since last year, we have locally adapted two versions of rust, rust1.41 and rust1.57, and completed the test locally.
I'm not sure if I'm submitting all the patches at once, so I split up the patches and here's one of the commits
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bootstrap.py: fix build-failure message
A small mistake I did.
Corrects #107470, fixes #107804
r? `@albertlarsan68` (since you reviewed the last one)
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Avoid quoting targets that do not contain a period.
See https://github.com/rust-lang/rust/commit/1532fd8cd0db93f469e414f9da31ef083a44fcba
`--set=target.platform.linker` is ignored if RUSTFLAGS is not set.
Undo parts of https://github.com/rust-lang/rust/commit/d1291dc8b4ac9a98ff1d286402559e4ba5d68488
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Rollup of 7 pull requests
Successful merges:
- #101093 (Initial version of 1.64 release notes)
- #101713 (change AccessLevels representation)
- #101821 (Bump Unicode to version 15.0.0, regenerate tables)
- #101826 (Enforce "joined()" and "joined_with_noop()" test)
- #101835 (Allow using vendoring when running bootstrap from outside the source root)
- #101942 (Revert "Copy stage0 binaries into stage0-sysroot")
- #101943 (rustdoc: remove unused CSS `.non-exhaustive { margin-bottom }`)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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This CL modifies the handing of env vars during the bootstrap process in
two ways:
1. Replaces '-' characters with '_' characters in target names to
increase compatibility with different shells
2. Passes Stage0 snapshot compiler related env vars to early invocations
of Cargo
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