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Introduce `run-make` V2 infrastructure, a `run_make_support` library and port over 2 tests as example ## Preface See [issue #40713: Switch run-make tests from Makefiles to rust](https://github.com/rust-lang/rust/issues/40713) for more context. ## Basic Description of `run-make` V2 `run-make` V2 aims to eliminate the dependency on `make` and `Makefile`s for building `run-make`-style tests. Makefiles are replaced by *recipes* (`rmake.rs`). The current implementation runs `run-make` V2 tests in 3 steps: 1. We build the support library `run_make_support` which the `rmake.rs` recipes depend on as a tool lib. 2. We build the recipe `rmake.rs` and link in the support library. 3. We run the recipe to build and run the tests. `rmake.rs` is basically a replacement for `Makefile`, and allows running arbitrary Rust code. The support library is built using cargo, and so can depend on external crates if desired. The infrastructure implemented by this PR is very barebones, and is the minimally required infrastructure needed to build, run and pass the two example `run-make` tests ported over to the new infrastructure. ### Example `run-make` V2 test ```rs // ignore-tidy-linelength extern crate run_make_support; use std::path::PathBuf; use run_make_support::{aux_build, rustc}; fn main() { aux_build() .arg("--emit=metadata") .arg("stable.rs") .run(); let mut stable_path = PathBuf::from(env!("TMPDIR")); stable_path.push("libstable.rmeta"); let output = rustc() .arg("--emit=metadata") .arg("--extern") .arg(&format!("stable={}", &stable_path.to_string_lossy())) .arg("main.rs") .run(); let stderr = String::from_utf8_lossy(&output.stderr); let version = include_str!(concat!(env!("S"), "/src/version")); let expected_string = format!("stable since {}", version.trim()); assert!(stderr.contains(&expected_string)); } ``` ## Follow Up Work - [ ] Adjust rustc-dev-guide docs |
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The Rust Programming Language
This is the main source code repository for Rust. It contains the compiler, standard library, and documentation.
Note: this README is for users rather than contributors. If you wish to contribute to the compiler, you should read CONTRIBUTING.md instead.
Table of Contents
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.