mirror of
https://github.com/rust-lang/rust.git
synced 2025-11-03 22:49:17 +00:00
14 lines
355 B
Rust
14 lines
355 B
Rust
use std::env;
|
|
|
|
fn main() {
|
|
println!("cargo:rerun-if-changed=build.rs");
|
|
let opt_level = env::var("OPT_LEVEL")
|
|
.ok()
|
|
.and_then(|s| s.parse().ok())
|
|
.unwrap_or(0);
|
|
let profile = env::var("PROFILE").unwrap_or_default();
|
|
if profile == "release" || opt_level >= 2 {
|
|
println!("cargo:rustc-cfg=optimized");
|
|
}
|
|
}
|