mirror of
https://github.com/italicsjenga/ash-molten.git
synced 2024-12-23 13:21:30 +11:00
263 lines
9 KiB
Rust
263 lines
9 KiB
Rust
#[cfg(any(target_os = "macos", target_os = "ios"))]
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mod mac {
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use std::path::Path;
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// MoltenVK git tagged release to use
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pub static VERSION: &str = "1.1.0";
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// Features are not used inside build scripts, so we have to explicitly query them from the
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// enviroment
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pub(crate) fn is_feature_enabled(feature: &str) -> bool {
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std::env::vars()
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.filter_map(|(flag, _)| {
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const NAME: &str = "CARGO_FEATURE_";
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if flag.starts_with(NAME) {
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let feature = flag.split(NAME).nth(1).expect("").to_string();
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println!("{:?}", feature);
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return Some(feature);
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}
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None
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})
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.any(|f| f == feature)
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}
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pub(crate) fn build_molten<P: AsRef<Path>>(_target_dir: &P) -> &'static str {
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use std::{
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process::Command,
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sync::{
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atomic::{AtomicBool, Ordering},
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Arc,
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},
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};
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let checkout_dir = Path::new(&std::env::var("OUT_DIR").expect("Couldn't find OUT_DIR"))
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.join(format!("MoltenVK-{}", VERSION));
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let exit = Arc::new(AtomicBool::new(false));
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let wants_exit = exit.clone();
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// Periodically emit log messages so that Travis doesn't make a sad
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let handle = std::thread::spawn(move || {
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let mut counter = 0;
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while !wants_exit.load(Ordering::Acquire) {
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std::thread::sleep(std::time::Duration::from_millis(100));
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counter += 100;
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if counter >= 30 * 1000 {
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counter = 0;
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println!("still building MoltenVK");
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}
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}
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});
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let git_status = if Path::new(&checkout_dir).exists() {
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Command::new("git")
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.current_dir(&checkout_dir)
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.arg("pull")
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.spawn()
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.expect("failed to spawn git")
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.wait()
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.expect("failed to pull MoltenVK")
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} else {
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Command::new("git")
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.arg("clone")
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.arg("--branch")
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.arg(format!("v{}", VERSION.to_owned()))
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.arg("--depth")
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.arg("1")
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.arg("https://github.com/KhronosGroup/MoltenVK.git")
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.arg(&checkout_dir)
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.spawn()
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.expect("failed to spawn git")
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.wait()
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.expect("failed to clone MoltenVK")
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};
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assert!(git_status.success(), "failed to get MoltenVK");
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// These (currently) match the identifiers used by moltenvk
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let (target_name, _dir) = match std::env::var("CARGO_CFG_TARGET_OS") {
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Ok(target) => match target.as_ref() {
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"macos" => ("macos", "macOS"),
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"ios" => ("ios", "iOS"),
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target => panic!("unknown target '{}'", target),
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},
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Err(e) => panic!("failed to determinte target os '{}'", e),
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};
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let status = Command::new("sh")
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.current_dir(&checkout_dir)
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.arg("fetchDependencies")
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.arg(format!("--{}", target_name))
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.spawn()
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.expect("failed to spawn fetchDependencies")
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.wait()
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.expect("failed to fetchDependencies");
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assert!(status.success(), "failed to fetchDependencies");
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let status = Command::new("make")
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.current_dir(&checkout_dir)
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.arg(target_name)
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.spawn()
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.expect("failed to build MoltenVK")
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.wait()
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.expect("failed to build MoltenVK");
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assert!(status.success(), "failed to build MoltenVK");
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exit.store(true, Ordering::Release);
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handle.join().unwrap();
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target_name
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}
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pub(crate) fn download_prebuilt_molten<P: AsRef<Path>>(target_dir: &P) {
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use std::process::{Command, Stdio};
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std::fs::create_dir_all(&target_dir).expect("Couldn't create directory");
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let previous_path = std::env::current_dir().expect("Couldn't get current directory");
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std::env::set_current_dir(&target_dir).expect("Couldn't change current directory");
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let curl = Command::new("curl")
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.arg("-s")
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.arg(format!(
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"https://api.github.com/repos/EmbarkStudios/ash-molten/releases/tags/MoltenVK-{}",
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VERSION
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))
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.stdout(Stdio::piped())
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.spawn()
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.expect("Couldn't launch curl");
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let curl_out = curl.stdout.expect("Failed to open curl stdout");
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let grep = Command::new("grep")
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.arg("browser_download_url.*zip")
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.stdin(Stdio::from(curl_out))
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.stdout(Stdio::piped())
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.spawn()
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.expect("Couldn't launch grep");
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let grep_out = grep.stdout.expect("Failed to open grep stdout");
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let cut = Command::new("cut")
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.args(&["-d", ":", "-f", "2,3"])
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.stdin(Stdio::from(grep_out))
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.stdout(Stdio::piped())
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.spawn()
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.expect("Couldn't launch cut");
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let cut_out = cut.stdout.expect("Failed to open grep stdout");
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let tr = Command::new("tr")
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.args(&["-d", "\""])
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.stdin(Stdio::from(cut_out))
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.stdout(Stdio::piped())
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.spawn()
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.expect("Couldn't launch cut");
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let tr_out = tr.stdout.expect("Failed to open grep stdout");
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let output = Command::new("xargs")
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.args(&["-n", "1", "curl", "-LO", "--silent"])
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.stdin(Stdio::from(tr_out))
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.stdout(Stdio::piped())
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.spawn()
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.expect("Couldn't launch cut")
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.wait_with_output()
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.expect("failed to wait on xargs");
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assert!(output.status.success());
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for path in std::fs::read_dir(&target_dir).expect("Couldn't read dir") {
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let path = path.unwrap().path();
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if let Some("zip") = path.extension().and_then(std::ffi::OsStr::to_str) {
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let status = Command::new("unzip")
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.arg("-o")
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.arg(path.to_owned())
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.arg("-x")
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.arg("__MACOSX/*")
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.spawn()
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.expect("Couldn't launch unzip")
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.wait()
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.expect("failed to wait on unzip");
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assert!(status.success());
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}
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}
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std::env::set_current_dir(&previous_path).expect("Couldn't change current directory");
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}
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}
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#[cfg(any(target_os = "macos", target_os = "ios"))]
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fn main() {
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use crate::mac::*;
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use std::path::{Path, PathBuf};
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// The 'external' feature was not enabled. Molten will be built automaticaly.
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let external_enabled = is_feature_enabled("EXTERNAL");
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let pre_built_enabled = is_feature_enabled("PRE_BUILT");
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assert!(
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!(external_enabled && pre_built_enabled),
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"external and prebuild cannot be active at the same time"
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);
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if !external_enabled && !pre_built_enabled {
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let target_dir = Path::new(&std::env::var("OUT_DIR").unwrap())
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.join(format!("MoltenVK-{}", crate::mac::VERSION,));
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let _target_name = build_molten(&target_dir);
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let project_dir = {
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let mut pb = PathBuf::from(
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std::env::var("CARGO_MANIFEST_DIR").expect("unable to find env:CARGO_MANIFEST_DIR"),
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);
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pb.push(target_dir);
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pb.push(format!(
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"Package/Latest/MoltenVK/MoltenVK.xcframework/{}-{}",
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std::env::var("CARGO_CFG_TARGET_OS").unwrap(),
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std::env::var("CARGO_CFG_TARGET_ARCH").unwrap()
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));
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pb
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};
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println!("cargo:rustc-link-search=native={}", project_dir.display());
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} else if pre_built_enabled {
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let target_dir = Path::new(&std::env::var("OUT_DIR").unwrap())
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.join(format!("Prebuilt-MoltenVK-{}", crate::mac::VERSION));
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download_prebuilt_molten(&target_dir);
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let project_dir = {
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let mut pb = PathBuf::from(
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std::env::var("CARGO_MANIFEST_DIR").expect("unable to find env:CARGO_MANIFEST_DIR"),
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);
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pb.push(target_dir);
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pb.push(format!(
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"{}-{}",
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std::env::var("CARGO_CFG_TARGET_OS").unwrap(),
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std::env::var("CARGO_CFG_TARGET_ARCH").unwrap()
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));
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pb
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};
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println!("cargo:rustc-link-search=native={}", project_dir.display());
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}
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println!("cargo:rustc-link-lib=framework=Metal");
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println!("cargo:rustc-link-lib=framework=AppKit");
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println!("cargo:rustc-link-lib=framework=QuartzCore");
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println!("cargo:rustc-link-lib=framework=IOKit");
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println!("cargo:rustc-link-lib=framework=IOSurface");
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println!("cargo:rustc-link-lib=dylib=c++");
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println!("cargo:rustc-link-lib=static=MoltenVK");
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}
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#[cfg(not(any(target_os = "macos", target_os = "ios")))]
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fn main() {
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eprintln!("ash-molten requires either 'macos' or 'ios' target");
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}
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