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bors d18506299b Auto merge of #133417 - RalfJung:aarch64-float-abi, r=workingjubilee 
reject aarch64 target feature toggling that would change the float ABI

~~Stacked on top of https://github.com/rust-lang/rust/pull/133099. Only the last two commits are new.~~

The first new commit lays the groundwork for separately controlling whether a feature may be enabled or disabled. The second commit uses that to make it illegal to *disable* the `neon` feature (which is only possible via `-Ctarget-feature`, and so the new check just adds a warning). Enabling the `neon` feature remains allowed on targets that don't disable `neon` or `fp-armv8`, which is all our built-in targets. This way, the entire PR is not a breaking change.

Fixes https://github.com/rust-lang/rust/issues/131058 for hardfloat targets (together with https://github.com/rust-lang/rust/pull/133102 which fixed it for softfloat targets).

Part of https://github.com/rust-lang/rust/issues/116344.
2024-12-15 16:32:03 +00:00
.github Configure renovatebot 2024-12-09 12:07:11 +01:00
compiler Auto merge of #133417 - RalfJung:aarch64-float-abi, r=workingjubilee 2024-12-15 16:32:03 +00:00
library Auto merge of #134332 - Zalathar:rollup-oe23hkw, r=Zalathar 2024-12-15 11:08:21 +00:00
LICENSES Synchronize Unicode license text from unicode.org 2024-11-20 00:54:12 -08:00
src Rollup merge of #134285 - oli-obk:push-vwrqsqlwnuxo, r=Urgau 2024-12-15 20:01:38 +11:00
tests Auto merge of #133417 - RalfJung:aarch64-float-abi, r=workingjubilee 2024-12-15 16:32:03 +00:00
.clang-format Add .clang-format 2024-06-26 05:56:00 +08:00
.editorconfig Only use max_line_length = 100 for *.rs 2023-07-10 15:18:36 -07:00
.git-blame-ignore-revs Add rustfmt 2024 reformatting to git blame ignore 2024-09-23 10:02:04 +02:00
.gitattributes Revert "Stop git from merging generated files" 2024-12-12 07:20:11 +01:00
.gitignore only ignore {flake,default}.nix and {.envrc,.direnv/} in the root 2024-12-10 00:08:26 +01:00
.gitmodules Update LLVM to 19.1.5 2024-12-03 21:12:47 +08:00
.ignore Add .ignore file to make config.toml searchable in vscode 2024-06-24 10:15:16 +02:00
.mailmap Update mailmap 2024-12-01 22:07:51 -05:00
Cargo.lock Remove jobserver from Session 2024-12-13 10:21:22 +00:00
Cargo.toml Bump Clippy version -> 0.1.85 2024-11-28 18:57:52 +01:00
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 build.vendor documentation 2024-12-04 16:02:07 +03:00
configure Ensure ./configure works when configure.py path contains spaces 2024-02-16 18:57:22 +00:00
CONTRIBUTING.md fix: Update CONTRIBUTING.md recommend -> recommended 2023-11-16 23:57:09 +05:30
COPYRIGHT Synchronize Unicode license text from unicode.org 2024-11-20 00:54:12 -08:00
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 collect-license-metadata: move JSON to root, and add a 'check' mode 2024-11-25 14:14:57 +00:00
LICENSE-MIT LICENSE-MIT: Remove inaccurate (misattributed) copyright notice 2017-07-26 16:51:58 -07:00
README.md Grammar fixes 2024-12-09 17:17:27 -05:00
RELEASES.md Removed Unnecessary Spaces From RELEASES.md 2024-12-07 01:01:03 +05:30
REUSE.toml collect-license-metadata: move JSON to root, and add a 'check' mode 2024-11-25 14:14:57 +00:00
rust-bors.toml Increase timeout for new bors bot 2024-03-13 08:31:07 +01:00
rustfmt.toml chore(style): sync submodule exclusion list between tidy and rustfmt 2024-11-02 16:43:10 +03:00
triagebot.toml Rollup merge of #134089 - Urgau:triagebot-exceptions, r=ehuss 2024-12-12 19:00:42 +01:00
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.