15 lines
426 B
Rust
15 lines
426 B
Rust
extern crate rustc_version;
|
|
use rustc_version::{version, Version};
|
|
|
|
fn main() {
|
|
|
|
// Check for a minimum version to see if new rust features can be used
|
|
let version = version().unwrap();
|
|
if version >= Version::parse("1.26.0").unwrap() {
|
|
println!("cargo:rustc-cfg=impl_trait_available");
|
|
}
|
|
if version >= Version::parse("1.23.0").unwrap() {
|
|
println!("cargo:rustc-cfg=inherent_ascii");
|
|
}
|
|
}
|