ec2bbb8e83
Printing out failure to meet rustc version helps users during setup with a helpful message if using an older rustc. Rust version checking from http://stackoverflow.com/a/36607492.
27 lines
1,013 B
Rust
27 lines
1,013 B
Rust
// Copyright 2016 Mozilla
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
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// this file except in compliance with the License. You may obtain a copy of the
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// License at http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed
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// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations under the License.
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extern crate rustc_version;
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use std::io::{self, Write};
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use std::process::exit;
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use rustc_version::version_matches;
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/// MIN_VERSION should be changed when there's a new minimum version of rustc required
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/// to build the project.
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static MIN_VERSION: &'static str = ">= 1.15.1";
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fn main() {
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if !version_matches(MIN_VERSION) {
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writeln!(&mut io::stderr(), "Mentat requires rustc {}", MIN_VERSION).unwrap();
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exit(1);
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}
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}
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