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bors bb2cc59a21 Auto merge of #137215 - onur-ozkan:rustc-tool-build-stages, r=jieyouxu,Kobzol 
stabilize stage management for rustc tools

https://github.com/rust-lang/rust/pull/135990 got out of control due to excessive complexity. This PR aims to achieve the same goal with a simpler approach, likely through multiple smaller PRs. I will keep the other one read-only and open as a reference for future work.

This work stabilizes the staging logic for `ToolRustc` programs, so you no longer need to handle build and target compilers separately in steps. Previously, most tools didn't do this correctly, which was causing the compiler to be built twice (e.g., `x test cargo --stage 1` would compile the stage 2 compiler before, but now it only compiles the stage 1 compiler).

I also tried to document how we should write `ToolRustc` steps as they are quite different and require more attention than other tools.

Next goal is to stabilize how stages are handled for the rustc itself. Currently, `x build --stage 1` builds the stage 1 compiler which is fine, but `x build compiler --stage 1` builds stage 2 compiler.

~~for now, r? ghost~~
2025-02-23 05:03:26 +00:00
.github Auto merge of #137023 - Kobzol:bump-sccache, r=marcoieni 2025-02-20 05:59:04 +00:00
compiler Rollup merge of #137415 - chenyukang:yukang-fix-137345-invalid-sugg, r=estebank 2025-02-23 00:16:21 +01:00
library Rollup merge of #137383 - folkertdev:stabilize-unsigned-is-multiple-of, r=Noratrieb 2025-02-23 00:16:20 +01:00
LICENSES Synchronize Unicode license text from unicode.org 2024-11-20 00:54:12 -08:00
src Auto merge of #137215 - onur-ozkan:rustc-tool-build-stages, r=jieyouxu,Kobzol 2025-02-23 05:03:26 +00:00
tests Rollup merge of #137415 - chenyukang:yukang-fix-137345-invalid-sugg, r=estebank 2025-02-23 00:16:21 +01:00
.clang-format Add .clang-format 2024-06-26 05:56:00 +08:00
.editorconfig Don't apply editorconfig to llvm 2025-02-09 16:21:14 -05:00
.git-blame-ignore-revs Git blame ignore recent formatting commit 2025-02-09 12:00:23 -08:00
.gitattributes Revert "Stop git from merging generated files" 2024-12-12 07:20:11 +01:00
.gitignore ignore vendor directory in git status 2025-02-12 21:16:36 -05:00
.gitmodules Update to LLVM 20 2025-02-14 11:02:28 +01:00
.ignore Add .ignore file to make config.toml searchable in vscode 2024-06-24 10:15:16 +02:00
.mailmap Rollup merge of #134965 - Noratrieb:slightly-late-for-boxing-day-sadly-but-still-almost, r=BoxyUwU 2025-01-03 22:12:42 +01:00
Cargo.lock Use StableHasher + Hash64 for dep_tracking_hash 2025-02-21 21:36:58 -05:00
Cargo.toml Move error_index_generator to the rustbook workspace 2025-02-17 10:58:15 -08:00
CODE_OF_CONDUCT.md Remove the code of conduct; instead link https://www.rust-lang.org/conduct.html 2019-10-05 22:55:19 +02:00
config.example.toml Update references to cc_detect.rs 2025-02-20 10:41:29 +00:00
configure Ensure ./configure works when configure.py path contains spaces 2024-02-16 18:57:22 +00:00
CONTRIBUTING.md docs: update contributing docs for submodule/subtree changes 2025-01-20 21:53:59 +08:00
COPYRIGHT dist: Re-work how we describe the licence of Rust in our distributions 2024-12-09 10:18:55 +00:00
INSTALL.md add clarity for custom path installation 2024-10-06 07:37:00 -05:00
LICENSE-APACHE Remove appendix from LICENCE-APACHE 2019-12-30 14:25:53 +00:00
license-metadata.json Add italic for newly added sans serif fonts 2025-01-29 11:01:14 +01:00
LICENSE-MIT dist: Re-work how we describe the licence of Rust in our distributions 2024-12-09 10:18:55 +00:00
README.md Grammar fixes 2024-12-09 17:17:27 -05:00
RELEASES.md Re-add missing empty lines in the releases notes 2025-02-16 12:15:55 +01:00
REUSE.toml Fix tidy errors 2025-01-29 11:01:14 +01:00
rust-bors.toml Increase timeout for new bors bot 2024-03-13 08:31:07 +01:00
rustfmt.toml Use field init shorthand where possible 2024-12-17 14:33:10 -08:00
triagebot.toml jubilee cleared out the review queue 2025-02-21 21:12:39 -08:00
x fix(x): fix a regex used to find python executable 2024-11-06 16:40:02 +03:00
x.ps1 use & instead of start-process in x.ps1 2023-12-09 09:46:16 -05:00
x.py Reformat Python code with ruff 2024-12-04 23:03:44 +01:00

README.md

This is the main source code repository for Rust. It contains the compiler, standard library, and documentation.

Why Rust?

  • Performance: Fast and memory-efficient, suitable for critical services, embedded devices, and easily integrated with other languages.

  • Reliability: Our rich type system and ownership model ensure memory and thread safety, reducing bugs at compile-time.

  • Productivity: Comprehensive documentation, a compiler committed to providing great diagnostics, and advanced tooling including package manager and build tool (Cargo), auto-formatter (rustfmt), linter (Clippy) and editor support (rust-analyzer).

Quick Start

Read "Installation" from The Book.

Installing from Source

If you really want to install from source (though this is not recommended), see INSTALL.md.

Getting Help

See https://www.rust-lang.org/community for a list of chat platforms and forums.

Contributing

See CONTRIBUTING.md.

License

Rust is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0), with portions covered by various BSD-like licenses.

See LICENSE-APACHE, LICENSE-MIT, and COPYRIGHT for details.

Trademark

The Rust Foundation owns and protects the Rust and Cargo trademarks and logos (the "Rust Trademarks").

If you want to use these names or brands, please read the media guide.

Third-party logos may be subject to third-party copyrights and trademarks. See Licenses for details.