133 lines
4.4 KiB
Rust
133 lines
4.4 KiB
Rust
fn main() {
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#[cfg(all(target_os = "macos", target_arch = "aarch64"))]
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build_apple_intelligence_bridge();
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tauri_build::build()
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}
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#[cfg(all(target_os = "macos", target_arch = "aarch64"))]
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fn build_apple_intelligence_bridge() {
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use std::env;
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use std::path::{Path, PathBuf};
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use std::process::Command;
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const REAL_SWIFT_FILE: &str = "swift/apple_intelligence.swift";
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const STUB_SWIFT_FILE: &str = "swift/apple_intelligence_stub.swift";
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const BRIDGE_HEADER: &str = "swift/apple_intelligence_bridge.h";
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println!("cargo:rerun-if-changed={REAL_SWIFT_FILE}");
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println!("cargo:rerun-if-changed={STUB_SWIFT_FILE}");
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println!("cargo:rerun-if-changed={BRIDGE_HEADER}");
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let out_dir = PathBuf::from(env::var("OUT_DIR").expect("OUT_DIR not set"));
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let object_path = out_dir.join("apple_intelligence.o");
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let static_lib_path = out_dir.join("libapple_intelligence.a");
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let sdk_path = String::from_utf8(
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Command::new("xcrun")
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.args(["--sdk", "macosx", "--show-sdk-path"])
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.output()
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.expect("Failed to locate macOS SDK")
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.stdout,
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)
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.expect("SDK path is not valid UTF-8")
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.trim()
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.to_string();
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// Check if the SDK supports FoundationModels (required for Apple Intelligence)
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let framework_path =
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Path::new(&sdk_path).join("System/Library/Frameworks/FoundationModels.framework");
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let has_foundation_models = framework_path.exists();
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let source_file = if has_foundation_models {
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println!("cargo:warning=Building with Apple Intelligence support.");
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REAL_SWIFT_FILE
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} else {
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println!("cargo:warning=Apple Intelligence SDK not found. Building with stubs.");
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STUB_SWIFT_FILE
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};
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if !Path::new(source_file).exists() {
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panic!("Source file {} is missing!", source_file);
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}
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let swiftc_path = String::from_utf8(
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Command::new("xcrun")
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.args(["--find", "swiftc"])
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.output()
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.expect("Failed to locate swiftc")
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.stdout,
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)
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.expect("swiftc path is not valid UTF-8")
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.trim()
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.to_string();
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let toolchain_swift_lib = Path::new(&swiftc_path)
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.parent()
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.and_then(|p| p.parent())
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.map(|root| root.join("lib/swift/macosx"))
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.expect("Unable to determine Swift toolchain lib directory");
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let sdk_swift_lib = Path::new(&sdk_path).join("usr/lib/swift");
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// Use macOS 11.0 as deployment target for compatibility
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// The @available(macOS 26.0, *) checks in Swift handle runtime availability
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// Weak linking for FoundationModels is handled via cargo:rustc-link-arg below
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let status = Command::new("xcrun")
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.args([
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"swiftc",
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"-target",
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"arm64-apple-macosx11.0",
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"-sdk",
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&sdk_path,
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"-O",
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"-import-objc-header",
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BRIDGE_HEADER,
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"-c",
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source_file,
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"-o",
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object_path
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.to_str()
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.expect("Failed to convert object path to string"),
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])
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.status()
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.expect("Failed to invoke swiftc for Apple Intelligence bridge");
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if !status.success() {
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panic!("swiftc failed to compile {source_file}");
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}
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let status = Command::new("libtool")
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.args([
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"-static",
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"-o",
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static_lib_path
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.to_str()
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.expect("Failed to convert static lib path to string"),
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object_path
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.to_str()
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.expect("Failed to convert object path to string"),
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])
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.status()
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.expect("Failed to create static library for Apple Intelligence bridge");
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if !status.success() {
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panic!("libtool failed for Apple Intelligence bridge");
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}
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println!("cargo:rustc-link-search=native={}", out_dir.display());
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println!("cargo:rustc-link-lib=static=apple_intelligence");
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println!(
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"cargo:rustc-link-search=native={}",
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toolchain_swift_lib.display()
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);
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println!("cargo:rustc-link-search=native={}", sdk_swift_lib.display());
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println!("cargo:rustc-link-lib=framework=Foundation");
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if has_foundation_models {
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// Use weak linking so the app can launch on systems without FoundationModels
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println!("cargo:rustc-link-arg=-weak_framework");
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println!("cargo:rustc-link-arg=FoundationModels");
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}
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println!("cargo:rustc-link-arg=-Wl,-rpath,/usr/lib/swift");
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}
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