// requires treelite header files to be found by path: /usr/local/include/treelite
fn main() {
    println!("cargo:rustc-link-lib=treelite");
    println!("cargo:rustc-link-lib=treelite_runtime");
    println!("cargo:rustc-link-search=native=/usr/local/lib");

    println!("cargo:rerun-if-changed=wrapper.h");

    let bindings = bindgen::Builder::default()
        .header("wrapper.h")
        .clang_arg("-Iheaders/treelite")
        // Tell cargo to invalidate the built crate whenever any of the
        // included header files changed.
        .parse_callbacks(Box::new(bindgen::CargoCallbacks))
        // Finish the builder and generate the bindings.
        .generate()
        // Unwrap the Result and panic on failure.
        .expect("Unable to generate bindings");

    // Write the bindings to the $OUT_DIR/bindings.rs file.
    bindings
        .write_to_file("src/bindings.rs")
        .expect("Couldn't write bindings!");
}