fn main() {
let profile = std::env::var("PROFILE").unwrap_or_default();
if profile == "release" {
println!("cargo:rustc-flag=-C");
println!("cargo:rustc-flag=target-cpu=native");
#[cfg(target_arch = "x86_64")]
{
println!("cargo:rustc-flag=-C");
println!("cargo:rustc-flag=target-feature=+bmi1,+bmi2,+avx2");
}
}
}