use std::env::var; fn main() { let target = var("TARGET").unwrap(); println!("cargo:rerun-if-changed=build.rs"); if target.contains("windows") { println!("cargo:rerun-if-env-changed=WINAPI_NO_BUNDLED_LIBRARIES"); println!("cargo:rerun-if-env-changed=WINAPI_STATIC_NOBUNDLE"); // For `src/sys/windows/wtsapi32.rs` println!("cargo:rustc-link-lib=wtsapi32"); } }