zed/crates/live_kit_client/build.rs

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4.9 KiB
Rust
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use serde::Deserialize;
use std::{
env,
path::{Path, PathBuf},
process::Command,
};
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const SWIFT_PACKAGE_NAME: &str = "LiveKitBridge";
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct SwiftTargetInfo {
pub triple: String,
pub unversioned_triple: String,
pub module_triple: String,
pub swift_runtime_compatibility_version: String,
#[serde(rename = "librariesRequireRPath")]
pub libraries_require_rpath: bool,
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct SwiftPaths {
pub runtime_library_paths: Vec<String>,
pub runtime_library_import_paths: Vec<String>,
pub runtime_resource_path: String,
}
#[derive(Debug, Deserialize)]
pub struct SwiftTarget {
pub target: SwiftTargetInfo,
pub paths: SwiftPaths,
}
const MACOS_TARGET_VERSION: &str = "10.15.7";
fn main() {
if cfg!(not(any(test, feature = "test-support"))) {
let swift_target = get_swift_target();
build_bridge(&swift_target);
link_swift_stdlib(&swift_target);
link_webrtc_framework(&swift_target);
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// Register exported Objective-C selectors, protocols, etc when building example binaries.
println!("cargo:rustc-link-arg=-Wl,-ObjC");
}
}
fn build_bridge(swift_target: &SwiftTarget) {
println!("cargo:rerun-if-env-changed=MACOSX_DEPLOYMENT_TARGET");
println!("cargo:rerun-if-changed={}/Sources", SWIFT_PACKAGE_NAME);
println!(
"cargo:rerun-if-changed={}/Package.swift",
SWIFT_PACKAGE_NAME
);
println!(
"cargo:rerun-if-changed={}/Package.resolved",
SWIFT_PACKAGE_NAME
);
let swift_package_root = swift_package_root();
let swift_target_folder = swift_target_folder();
if !Command::new("swift")
.arg("build")
.arg("--disable-automatic-resolution")
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.args(["--configuration", &env::var("PROFILE").unwrap()])
.args(["--triple", &swift_target.target.triple])
.args(["--build-path".into(), swift_target_folder])
.current_dir(&swift_package_root)
.status()
.unwrap()
.success()
{
panic!(
"Failed to compile swift package in {}",
swift_package_root.display()
);
}
println!(
"cargo:rustc-link-search=native={}",
swift_target.out_dir_path().display()
);
println!("cargo:rustc-link-lib=static={}", SWIFT_PACKAGE_NAME);
}
fn link_swift_stdlib(swift_target: &SwiftTarget) {
for path in &swift_target.paths.runtime_library_paths {
println!("cargo:rustc-link-search=native={}", path);
}
}
fn link_webrtc_framework(swift_target: &SwiftTarget) {
let swift_out_dir_path = swift_target.out_dir_path();
println!("cargo:rustc-link-lib=framework=WebRTC");
println!(
"cargo:rustc-link-search=framework={}",
swift_out_dir_path.display()
);
// Find WebRTC.framework as a sibling of the executable when running tests.
println!("cargo:rustc-link-arg=-Wl,-rpath,@executable_path");
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// Find WebRTC.framework in parent directory of the executable when running examples.
println!("cargo:rustc-link-arg=-Wl,-rpath,@executable_path/..");
let source_path = swift_out_dir_path.join("WebRTC.framework");
let deps_dir_path =
PathBuf::from(env::var("OUT_DIR").unwrap()).join("../../../deps/WebRTC.framework");
let target_dir_path =
PathBuf::from(env::var("OUT_DIR").unwrap()).join("../../../WebRTC.framework");
copy_dir(&source_path, &deps_dir_path);
copy_dir(&source_path, &target_dir_path);
}
fn get_swift_target() -> SwiftTarget {
let mut arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
if arch == "aarch64" {
arch = "arm64".into();
}
let target = format!("{}-apple-macosx{}", arch, MACOS_TARGET_VERSION);
let swift_target_info_str = Command::new("swift")
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.args(["-target", &target, "-print-target-info"])
.output()
.unwrap()
.stdout;
serde_json::from_slice(&swift_target_info_str).unwrap()
}
fn swift_package_root() -> PathBuf {
env::current_dir().unwrap().join(SWIFT_PACKAGE_NAME)
}
fn swift_target_folder() -> PathBuf {
env::current_dir()
.unwrap()
.join(format!("../../target/{SWIFT_PACKAGE_NAME}"))
}
fn copy_dir(source: &Path, destination: &Path) {
assert!(
Command::new("rm")
.arg("-rf")
.arg(destination)
.status()
.unwrap()
.success(),
"could not remove {:?} before copying",
destination
);
assert!(
Command::new("cp")
.arg("-R")
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.args([source, destination])
.status()
.unwrap()
.success(),
"could not copy {:?} to {:?}",
source,
destination
);
}
impl SwiftTarget {
fn out_dir_path(&self) -> PathBuf {
swift_target_folder()
.join(&self.target.unversioned_triple)
.join(env::var("PROFILE").unwrap())
}
}