Rocket/core/lib/build.rs

25 lines
1023 B
Rust
Raw Normal View History

2019-05-24 08:47:49 +00:00
//! Ensures Rocket isn't compiled with an incompatible version of Rust.
use yansi::{Paint, Color::{Red, Yellow}};
fn main() {
2020-10-22 02:56:12 +00:00
const MIN_VERSION: &'static str = "1.46.0";
if let Some(version) = version_check::Version::read() {
if !version.at_least(MIN_VERSION) {
2020-10-22 02:56:12 +00:00
let msg = "Rocket requires a more recent version of rustc.";
eprintln!("{} {}", Red.paint("Error:").bold(), Paint::new(msg).bold());
eprintln!("Installed version: {}", Yellow.paint(format!("{}", version)));
eprintln!("Minimum required: {}", Yellow.paint(format!("{}", MIN_VERSION)));
panic!("Aborting compilation due to incompatible compiler.")
}
} else {
2019-05-24 08:47:49 +00:00
println!("cargo:warning={}", "Rocket was unable to check rustc compiler compatibility.");
println!("cargo:warning={}", "Build may fail due to incompatible rustc version.");
}
if let Some(true) = version_check::is_feature_flaggable() {
println!("cargo:rustc-cfg=nightly");
}
}