use std::env; use std::path::PathBuf; fn main() { let tdlib_header = env::var("DEP_TDJSON_INCLUDE") .map(PathBuf::from) .expect("Can't access header from environment") .join("td_json_client.h"); let bindings = bindgen::Builder::default() .header(tdlib_header.to_string_lossy()) .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!"); }