rust/ccommon-rs/build.rs (5 lines of code) (raw):

// ccommon - a cache common library. // Copyright (C) 2019 Twitter, Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. use autocfg::AutoCfg; fn main() { let cfg = AutoCfg::new().unwrap(); // For rust versions >= 1.38 we can use std::any::type_name cfg.emit_rustc_version(1, 38); }