fn cbindgen() {
    #[cfg(feature = "cbindgen")]
    {
        use std::env;
        use std::path::PathBuf;

        let crate_dir = env::var("CARGO_MANIFEST_DIR").expect("CARGO_MANIFEST_DIR env var is not defined");
        let out_dir = PathBuf::from(env::var("OUT_DIR").expect("OUT_DIR env var is not defined"));

        let config = cbindgen::Config::from_file("cbindgen.toml").expect("Unable to find cbindgen.toml configuration file");

        cbindgen::generate_with_config(&crate_dir, config).unwrap().write_to_file(out_dir.join("fie_ffi.h"));
    }
}

fn main() {
    cbindgen()
}