94 lines
2.7 KiB
Rust
94 lines
2.7 KiB
Rust
fn main() {
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link_swift();
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link_swift_package("highlight-swift", "./highlight-swift/");
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let target = get_swift_target_info();
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// on linux we need to tell it to link against the swift stdlib,
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// because the --static-swift-stdlib on swift build doesn't work for static libraries
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// on macos, it all magically works
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if target.target.unversioned_triple.contains("linux") {
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// include the swift runtime library path in the rpath
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target.paths.runtime_library_paths.iter().for_each(|path| {
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println!("cargo:rustc-link-arg-Wl,-rpath={}", path);
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});
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// need to link against libswiftCore and libFoundation
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println!("cargo:rustc-link-lib=dylib=swiftCore");
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println!("cargo:rustc-link-lib=dylib=Foundation");
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}
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}
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// Copied from https://github.com/Brendonovich/swift-rs
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// With get_swift_target_info changed to print the current target
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// rather than always trying for the macosx target.
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use std::{env, process::Command};
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use serde::Deserialize;
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#[derive(Debug, Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct SwiftTargetInfo {
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pub unversioned_triple: String,
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#[serde(rename = "librariesRequireRPath")]
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pub libraries_require_rpath: bool,
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}
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#[derive(Debug, Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct SwiftPaths {
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pub runtime_library_paths: Vec<String>,
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}
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#[derive(Debug, Deserialize)]
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pub struct SwiftTarget {
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pub target: SwiftTargetInfo,
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pub paths: SwiftPaths,
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}
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pub fn get_swift_target_info() -> SwiftTarget {
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let swift_target_info_str = Command::new("swift")
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.args(&["-print-target-info"])
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.output()
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.unwrap()
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.stdout;
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serde_json::from_slice(&swift_target_info_str).unwrap()
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}
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pub fn link_swift() {
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let swift_target_info = get_swift_target_info();
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if swift_target_info.target.libraries_require_rpath {
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panic!("Libraries require RPath! Change minimum MacOS value to fix.")
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}
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swift_target_info
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.paths
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.runtime_library_paths
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.iter()
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.for_each(|path| {
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println!("cargo:rustc-link-search=native={}", path);
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});
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}
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pub fn link_swift_package(package_name: &str, package_root: &str) {
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let profile = env::var("PROFILE").unwrap();
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if !Command::new("swift")
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.args(&["build", "-c", &profile])
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.current_dir(package_root)
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.status()
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.unwrap()
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.success()
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{
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panic!("Failed to compile swift package {}", package_name);
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}
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let swift_target_info = get_swift_target_info();
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println!(
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"cargo:rustc-link-search=native={}.build/{}/{}",
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package_root, swift_target_info.target.unversioned_triple, profile
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);
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println!("cargo:rustc-link-lib=static={}", package_name);
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}
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