With a big caveat: you can't have a dependency on a crate that is a dylib/cdylib or even staticlib in Cargo.toml. Your only way out is to have a build.rs that s

With a big caveat: you can't have a dependency on a crate that is a dylib/cdylib or even staticlib in Cargo.toml. Your only way out is to have a build.rs that somehow builds the dependency with cargo. Which, if you're using a workspace, will deadlock. https://github.com/rust-lang/cargo/issues/8938 https://github.com/rust-lang/cargo/issues/8938