wasi-common 18.0.4

WASI implementation in Rust
Documentation 
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// 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");
}