use version_check::Channel;
fn main() {
let is_nightly = Channel::read().map_or(false, |ch| ch.is_nightly());
if is_nightly {
println!("cargo:rustc-cfg=feature=\"nightly\"");
} else {
println!("cargo:rustc-cfg=feature=\"stable\"");
}
println!("cargo:rustc-env=RUSTC_BOOTSTRAP=1");
}