g3/lib/g3-resolver/build.rs

30 lines
995 B
Rust

/*
* Copyright 2023 ByteDance and/or its affiliates.
*
* 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.
*/
fn main() {
#[cfg(feature = "c-ares")]
if let Ok(version) = std::env::var("DEP_CARES_VERSION_NUMBER") {
let version = u64::from_str_radix(&version, 16).unwrap();
if version >= 0x1_14_00 {
println!("cargo:rustc-cfg=cares1_20");
}
if version >= 0x1_16_00 {
println!("cargo:rustc-cfg=cares1_22");
}
}
}