mentat/build/version.rs

32 lines
1.1 KiB
Rust

// Copyright 2016 Mozilla
//
// 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 rustc_version::{version, Version};
use std::io::{self, Write};
use std::process::exit;
/// MIN_VERSION should be changed when there's a new minimum version of rustc required
/// to build the project.
static MIN_VERSION: &'static str = "1.41.0";
fn main() {
let ver = version().unwrap();
let min = Version::parse(MIN_VERSION).unwrap();
if ver < min {
writeln!(
&mut io::stderr(),
"Mentat requires rustc {} or higher, you were using version {}.",
MIN_VERSION,
ver
)
.unwrap();
exit(1);
}
}