// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. fn main() { // Forward the profile to the main compilation println!("cargo:rustc-env=PROFILE={}", std::env::var("PROFILE").unwrap()); // Don't rebuild even if nothing changed println!("cargo:rerun-if-changed=build.rs"); // forward git repo hashes we build at println!( "cargo:rustc-env=GIT_HASH={}", rustc_tools_util::get_commit_hash().unwrap_or_default() ); println!( "cargo:rustc-env=COMMIT_DATE={}", rustc_tools_util::get_commit_date().unwrap_or_default() ); }