use std::{env, path::PathBuf};

fn main() {
  let mut builder = cc::Build::new();
  let build = builder
    .file("src/triangle.c")
    .flag("-DTRILIBRARY")
    .flag("-DANSI_DECLARATORS");
  build.compile("triangle");

  let bindings = bindgen::Builder::default()
    .header("src/triangle.h")
    .clang_arg("-DTRILIBRARY")
    .clang_arg("-DANSI_DECLARATORS")
    .parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
    .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!");

  println!("cargo:rerun-if-changed=src/triangle.h");
  println!("cargo:rustc-link-lib=triangle");
}