mirror of https://github.com/rwf2/Rocket.git
38 lines
1.6 KiB
Rust
38 lines
1.6 KiB
Rust
//! Ensures Rocket isn't compiled with an incompatible version of Rust.
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use yansi::{Paint, Color::{Red, Yellow, Blue}};
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// Specifies the minimum nightly version needed to compile Rocket.
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const MIN_DATE: &'static str = "2020-05-20";
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const MIN_VERSION: &'static str = "1.45.0-nightly";
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macro_rules! err {
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($version:expr, $date:expr, $msg:expr) => (
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eprintln!("{} {}", Red.paint("Error:").bold(), Paint::new($msg).bold());
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eprintln!("Installed version: {}", Yellow.paint(format!("{} ({})", $version, $date)));
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eprintln!("Minimum required: {}", Yellow.paint(format!("{} ({})", MIN_VERSION, MIN_DATE)));
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)
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}
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fn main() {
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if let Some((version, channel, date)) = version_check::triple() {
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if !channel.supports_features() {
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err!(version, date, "Rocket (codegen) requires a 'dev' or 'nightly' version of rustc.");
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eprint!("{}", Blue.paint("See the getting started guide ("));
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eprint!("https://rocket.rs/v0.5/guide/getting-started/");
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eprintln!("{}", Blue.paint(") for more information."));
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panic!("Aborting compilation due to incompatible compiler.")
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}
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if !version.at_least(MIN_VERSION) || !date.at_least(MIN_DATE) {
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err!(version, date, "Rocket (codegen) requires a more recent version of rustc.");
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panic!("Aborting compilation due to incompatible compiler.")
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}
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} else {
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println!("cargo:warning={}", "Rocket was unable to check rustc compiler compatibility.");
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println!("cargo:warning={}", "Build may fail due to incompatible rustc version.");
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}
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}
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