13 lines
248 B
Rust
13 lines
248 B
Rust
|
use rustc_version::{version_meta, Channel};
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
let version = version_meta().unwrap();
|
||
|
|
|
||
|
|
match version.channel {
|
||
|
|
Channel::Nightly => {
|
||
|
|
println!("cargo:rustc-cfg=rustc_nightly");
|
||
|
|
}
|
||
|
|
_ => {}
|
||
|
|
}
|
||
|
|
}
|