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Add detail about dependencies from the dev-guide

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The goal is to remove this altogether from the dev-guide once this PR is merged.
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Joshua Nelson 2022-12-23 19:03:50 -06:00
parent a06e5decaf
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@ -44,20 +44,37 @@ by running it with the `--help` flag or reading the [rustc dev guide][rustcguide
[gettingstarted]: https://rustc-dev-guide.rust-lang.org/getting-started.html
[rustcguidebuild]: https://rustc-dev-guide.rust-lang.org/building/how-to-build-and-run.html
### Building on a Unix-like system
1. Make sure you have installed the dependencies:
### Dependencies
Make sure you have installed the dependencies:
* `g++` 5.1 or later or `clang++` 3.5 or later
* `python` 3 or 2.7
* GNU `make` 3.81 or later
* `cmake` 3.13.4 or later
* `ninja`
* `curl`
* `git`
* `ssl` which comes in `libssl-dev` or `openssl-devel`
* A C compiler (when building for the host, `cc` is enough; cross-compiling may need additional compilers)
* `curl` (not needed on Windows)
* `pkg-config` if you are compiling on Linux and targeting Linux
* `libiconv` (already included with glibc on Debian-based distros)
2. Clone the [source] with `git`:
To build cargo, you'll also need OpenSSL (`libssl-dev` or `openssl-devel` on most Unix distros).
If building LLVM from source, you'll need additional tools:
* `g++`, `clang++`, or MSVC with versions listed on
[LLVM's documentation](https://llvm.org/docs/GettingStarted.html#host-c-toolchain-both-compiler-and-standard-library)
* `ninja`, or GNU `make` 3.81 or later (ninja is recommended, especially on Windows)
* `cmake` 3.13.4 or later
* `libstdc++-static` may be required on some Linux distributions such as Fedora and Ubuntu
On tier 1 or tier 2 with host tools platforms, you can also choose to download LLVM by setting `llvm.download-ci-llvm = true`.
Otherwise, you'll need LLVM installed and `llvm-config` in your path.
See [the rustc-dev-guide for more info][sysllvm].
[sysllvm]: https://rustc-dev-guide.rust-lang.org/building/new-target.html#using-pre-built-llvm
### Building on a Unix-like system
1. Clone the [source] with `git`:
```sh
git clone https://github.com/rust-lang/rust.git
@ -66,7 +83,7 @@ by running it with the `--help` flag or reading the [rustc dev guide][rustcguide
[source]: https://github.com/rust-lang/rust
3. Configure the build settings:
2. Configure the build settings:
The Rust build system uses a file named `config.toml` in the root of the
source tree to determine various configuration settings for the build.
@ -79,9 +96,7 @@ by running it with the `--help` flag or reading the [rustc dev guide][rustcguide
If you plan to use `x.py install` to create an installation, it is recommended
that you set the `prefix` value in the `[install]` section to a directory.
Create an install directory if you are not installing in the default directory.
4. Build and install:
3. Build and install:
```sh
./x.py build && ./x.py install
@ -98,6 +113,20 @@ by running it with the `--help` flag or reading the [rustc dev guide][rustcguide
### Building on Windows
On Windows, we suggest using [winget] to install dependencies by running the following in a terminal:
```powershell
winget install -e Python.Python.3
winget install -e Kitware.CMake
winget install -e Git.Git
```
Then edit your system's `PATH` variable and add: `C:\Program Files\CMake\bin`. See
[this guide on editing the system `PATH`](https://www.java.com/en/download/help/path.html) from the
Java documentation.
[winget]: https://github.com/microsoft/winget-cli
There are two prominent ABIs in use on Windows: the native (MSVC) ABI used by
Visual Studio and the GNU ABI used by the GCC toolchain. Which version of Rust
you need depends largely on what C/C++ libraries you want to interoperate with.