use std::env; use std::path::Path; fn main() { let sdk_path = env::var("XSDK_PATH").expect("XSDK_PATH environment variable must be set."); let lib_path = Path::new(&sdk_path); println!("cargo:rustc-link-search=native={}", lib_path.display()); println!("cargo:rustc-link-lib=dylib=stdc++"); println!("cargo:rerun-if-env-changed=XSDK_PATH"); }