extern crate bindgen; use std::env; use std::path::PathBuf; fn main() { println!("cargo:rerun-if-changed=wrapper.h"); let bindings = bindgen::Builder::default() .rustfmt_bindings(true) .header("wrapper.h") .parse_callbacks(Box::new(bindgen::CargoCallbacks)) .generate() .expect("Unable to generate bindings"); let out_path = PathBuf::from(env::var("OUT_DIR").unwrap()); bindings.write_to_file(out_path.join("bindings.rs")).expect("Couldn't write bindings!"); }