usestd::env;usestd::fs;usestd::path::PathBuf;fnmain(){// Only set up the memory layout linker search path for embedded targets
let target =env::var("TARGET").unwrap_or_default();if target.contains("thumbv"){let out =PathBuf::from(env::var_os("OUT_DIR").unwrap());fs::copy("memory.x", out.join("memory.x")).expect("failed to copy memory.x");println!("cargo:rustc-link-search={}", out.display());}println!("cargo:rerun-if-changed=memory.x");println!("cargo:rerun-if-changed=build.rs");}