fn main() { let mut opts = built::Options::default(); opts.set_dependencies(true); let src = std::env::var("CARGO_MANIFEST_DIR").unwrap(); let dst = std::path::Path::new(&std::env::var("OUT_DIR").unwrap()).join("built.rs"); built::write_built_file_with_opts(&opts, src.as_ref(), &dst) .expect("Failed to acquire build-time information"); }