1use std::{env, path::PathBuf, process::Command};
 2
 3fn main() {
 4    let sdk_path = String::from_utf8(
 5        Command::new("xcrun")
 6            .args(["--sdk", "macosx", "--show-sdk-path"])
 7            .output()
 8            .unwrap()
 9            .stdout,
10    )
11    .unwrap();
12    let sdk_path = sdk_path.trim_end();
13
14    println!("cargo:rerun-if-changed=src/bindings.h");
15    let bindings = bindgen::Builder::default()
16        .header("src/bindings.h")
17        .clang_arg(format!("-isysroot{}", sdk_path))
18        .clang_arg("-xobjective-c")
19        .allowlist_type("CMItemIndex")
20        .allowlist_type("CMSampleTimingInfo")
21        .allowlist_type("CMVideoCodecType")
22        .allowlist_type("VTEncodeInfoFlags")
23        .allowlist_function("CMTimeMake")
24        .allowlist_var("kCVPixelFormatType_.*")
25        .allowlist_var("kCVReturn.*")
26        .allowlist_var("VTEncodeInfoFlags_.*")
27        .allowlist_var("kCMVideoCodecType_.*")
28        .allowlist_var("kCMTime.*")
29        .allowlist_var("kCMSampleAttachmentKey_.*")
30        .parse_callbacks(Box::new(bindgen::CargoCallbacks))
31        .layout_tests(false)
32        .generate()
33        .expect("unable to generate bindings");
34
35    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
36    bindings
37        .write_to_file(out_path.join("bindings.rs"))
38        .expect("couldn't write dispatch bindings");
39}