fn main() {
if cfg!(feature = "x64") || cfg!(feature = "arm64") || cfg!(feature = "all-arch") {
return;
}
let arch = std::env::var("CARGO_CFG_TARGET_ARCH").unwrap();
if arch == "x86_64" {
println!("cargo:rustc-cfg=feature=\"x64\"");
} else if arch == "aarch64" {
println!("cargo:rustc-cfg=feature=\"arm64\"");
} else {
println!("cargo:rustc-cfg=feature=\"{arch}\"");
}
println!("cargo:rerun-if-changed=build.rs");
}