fn main() {
#[cfg(not(any(
feature = "backend-gnupg-bin",
feature = "backend-gpgme",
feature = "backend-rpgpie"
)))]
{
compile_error!(
"no crypto backend selected, must set any of these features: backend-gnupg-bin, backend-gpgme, backend-rpgpie"
);
}
#[cfg(any(
feature = "backend-gpgme",
feature = "backend-gnupg-bin",
feature = "backend-rpgpie",
))]
println!("cargo:rustc-cfg=feature=\"_crypto-gpg\"");
}