use std::error::Error; fn main() -> Result<(), Box> { let linker_script_path = "build/grub/conf/linker.ld"; println!("cargo:rerun-if-changed={}", linker_script_path); println!("cargo:rustc-link-arg=-T{}", linker_script_path); println!("cargo:rerun-if-env-changed=CARGO_PKG_NAME"); Ok(()) }