// Tell any dependencies, if necessary, where our WASI submodule is so they can // use the same witx files if they want. fn main() { let cwd = std::env::current_dir().unwrap(); let wasi = cwd.join("WASI"); // this will be available to dependent crates via the DEP_WASI_COMMON_19_WASI env var: println!("cargo:wasi={}", wasi.display()); // and available to our own crate as WASI_ROOT: println!("cargo:rustc-env=WASI_ROOT={}", wasi.display()); // and this build.rs script doesn't depend on any files. println!("cargo:rerun-if-changed=build.rs"); }