use std::env; use std::fs::File; use std::io::Write; use std::path::PathBuf; fn main() { if env::var_os("CARGO_FEATURE_RT").is_some() { let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap()); File::create(out.join("device.x")).unwrap().write_all(include_bytes!("device.x")).unwrap(); println!("cargo:rustc-link-search={}", out.display()); println!("cargo:rerun-if-changed=device.x"); } println!("cargo:rerun-if-changed=build.rs"); }