use std::env;
use std::path::PathBuf;

fn main() {
//    println!("cargo:rustc-link-search=/usr/lib64");

    println!("cargo:rustc-link-lib=krb5");

    // The bindgen::Builder is the main entry point
    // to bindgen, and lets you build up options for
    // the resulting bindings.
    let bindings = bindgen::Builder::default()
        // The input header we would like to generate
        // bindings for.
        .header("wrapper.h")

        .formatter(bindgen::Formatter::Prettyplease)
        .parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
        .allowlist_function("krb5_.*")
        .allowlist_item("KRB5_.*")
        .derive_copy(false)

        .generate_cstr(true)

        .merge_extern_blocks(true)

        .generate()
        .expect("Unable to generate bindings");

    // Write the bindings to the $OUT_DIR/bindings.rs file.
    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
    bindings
        .write_to_file(out_path.join("bindings.rs"))
        .expect("Couldn't write bindings!");
}