//! This build script: //! - has the configuration necessary for the wiggle and witx macros. use std::path::PathBuf; fn main() { // This is necessary for Wiggle/Witx macros. let wasi_root = PathBuf::from("./spec").canonicalize().unwrap(); println!("cargo:rustc-env=WASI_ROOT={}", wasi_root.display()); // Also automatically rebuild if the Witx files change for entry in walkdir::WalkDir::new(wasi_root) { println!("cargo:rerun-if-changed={}", entry.unwrap().path().display()); } }