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

fn main() {
    println!("cargo:rerun-if-changed=curses.h");
    if cfg!(not(target_os = "macos")) {
        println!("cargo:rustc-link-lib=ncursesw");
    } else {
        println!("cargo:rustc-link-lib=ncurses");
    }
    let bindings = bindgen::Builder::default()
        .header("curses.h")
        .allowlist_var("ERR")
        .allowlist_type("WINDOW")
        .allowlist_function("doupdate")
        .allowlist_function("endwin")
        .allowlist_function("initscr")
        .allowlist_function("isendwin")
        .allowlist_function("wrefresh")
        .allowlist_function("wnoutrefresh")
        .parse_callbacks(Box::new(bindgen::CargoCallbacks))
        .merge_extern_blocks(true)
        .generate()
        .expect("Unable to generate bindings");
    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
    bindings
        .write_to_file(out_path.join("curses.rs"))
        .expect("Couldn't write bindings!");
}