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50b4d57aa4
Nightly doc contains more information and rationale for each item. It's a better fit for those want to extend Cargo's functionality.
127 lines
4.4 KiB
Markdown
127 lines
4.4 KiB
Markdown
# Cargo
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Cargo downloads your Rust project’s dependencies and compiles your project.
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**To start using Cargo**, learn more at [The Cargo Book].
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**To start developing Cargo itself**, read the [Cargo Contributor Guide].
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[The Cargo Book]: https://doc.rust-lang.org/cargo/
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[Cargo Contributor Guide]: https://rust-lang.github.io/cargo/contrib/
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## Code Status
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[](https://github.com/rust-lang/cargo/actions/workflows/main.yml)
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Code documentation: <https://doc.rust-lang.org/nightly/nightly-rustc/cargo/>
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## Installing Cargo
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Cargo is distributed by default with Rust, so if you've got `rustc` installed
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locally you probably also have `cargo` installed locally.
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## Compiling from Source
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### Requirements
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Cargo requires the following tools and packages to build:
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* `cargo` and `rustc`
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* A C compiler [for your platform](https://github.com/rust-lang/cc-rs#compile-time-requirements)
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* `git` (to clone this repository)
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**Other requirements:**
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The following are optional based on your platform and needs.
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* `pkg-config` — This is used to help locate system packages, such as `libssl` headers/libraries. This may not be required in all cases, such as using vendored OpenSSL, or on Windows.
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* OpenSSL — Only needed on Unix-like systems and only if the `vendored-openssl` Cargo feature is not used.
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This requires the development headers, which can be obtained from the `libssl-dev` package on Ubuntu or `openssl-devel` with apk or yum or the `openssl` package from Homebrew on macOS.
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If using the `vendored-openssl` Cargo feature, then a static copy of OpenSSL will be built from source instead of using the system OpenSSL.
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This may require additional tools such as `perl` and `make`.
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On macOS, common installation directories from Homebrew, MacPorts, or pkgsrc will be checked. Otherwise it will fall back to `pkg-config`.
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On Windows, the system-provided Schannel will be used instead.
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LibreSSL is also supported.
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**Optional system libraries:**
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The build will automatically use vendored versions of the following libraries. However, if they are provided by the system and can be found with `pkg-config`, then the system libraries will be used instead:
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* [`libcurl`](https://curl.se/libcurl/) — Used for network transfers.
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* [`libgit2`](https://libgit2.org/) — Used for fetching git dependencies.
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* [`libssh2`](https://www.libssh2.org/) — Used for SSH access to git repositories.
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* [`libz`](https://zlib.net/) (aka zlib) — Used for data compression.
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It is recommended to use the vendored versions as they are the versions that are tested to work with Cargo.
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### Compiling
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First, you'll want to check out this repository
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```
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git clone https://github.com/rust-lang/cargo.git
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cd cargo
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```
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With `cargo` already installed, you can simply run:
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```
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cargo build --release
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```
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## Adding new subcommands to Cargo
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Cargo is designed to be extensible with new subcommands without having to modify
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Cargo itself. See [the Wiki page][third-party-subcommands] for more details and
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a list of known community-developed subcommands.
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[third-party-subcommands]: https://github.com/rust-lang/cargo/wiki/Third-party-cargo-subcommands
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## Releases
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Cargo releases coincide with Rust releases.
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High level release notes are available as part of [Rust's release notes][rel].
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Detailed release notes are available in this repo at [CHANGELOG.md].
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[rel]: https://github.com/rust-lang/rust/blob/master/RELEASES.md
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[CHANGELOG.md]: CHANGELOG.md
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## Reporting issues
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Found a bug? We'd love to know about it!
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Please report all issues on the GitHub [issue tracker][issues].
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[issues]: https://github.com/rust-lang/cargo/issues
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## Contributing
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See the **[Cargo Contributor Guide]** for a complete introduction
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to contributing to Cargo.
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## License
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Cargo is primarily distributed under the terms of both the MIT license
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and the Apache License (Version 2.0).
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See [LICENSE-APACHE](LICENSE-APACHE) and [LICENSE-MIT](LICENSE-MIT) for details.
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### Third party software
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This product includes software developed by the OpenSSL Project
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for use in the OpenSSL Toolkit (https://www.openssl.org/).
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In binary form, this product includes software that is licensed under the
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terms of the GNU General Public License, version 2, with a linking exception,
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which can be obtained from the [upstream repository][1].
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See [LICENSE-THIRD-PARTY](LICENSE-THIRD-PARTY) for details.
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[1]: https://github.com/libgit2/libgit2
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