use serde::Deserialize; use std::process::Command; fn main() { // trigger recompilation when a new migration is added println!("cargo:rerun-if-changed=migrations"); let target = get_swift_target_info(); if target.target.unversioned_triple.contains("linux") { target.paths.runtime_library_paths.iter().for_each(|path| { println!("cargo:rustc-link-arg=-Wl,-rpath={}", path); }); } } #[derive(Debug, Deserialize)] #[serde(rename_all = "camelCase")] pub struct SwiftTargetInfo { pub unversioned_triple: String, } #[derive(Debug, Deserialize)] #[serde(rename_all = "camelCase")] pub struct SwiftPaths { pub runtime_library_paths: Vec, } #[derive(Debug, Deserialize)] pub struct SwiftTarget { pub target: SwiftTargetInfo, pub paths: SwiftPaths, } pub fn get_swift_target_info() -> SwiftTarget { let swift_target_info_str = Command::new("swift") .args(&["-print-target-info"]) .output() .unwrap() .stdout; serde_json::from_slice(&swift_target_info_str).unwrap() }