Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

1. build.rs is located in the root directory of the project.

2. build.rs can be used to directly generate a module or generate some Rust code to be included in another Rust file using the macro include!.

3. Environment variables for build.rs can be configured in .cargo/config.toml.

References

• Generating static arrays during compile time in Rust

• Automatically Generate Rust Modules With Cargo Build Scripts

• include! macro in rust

• Macro std::include

• Rust Official Doc - Build Script