fn main() {
if std::env::var("CARGO_CFG_WINDOWS").is_err() {
eprintln!("error: winreg is only supported on Windows platforms");
eprintln!(
"help: if your application is multi-platform, use \
`[target.'cfg(windows)'.dependencies] winreg = \"...\"`"
);
eprintln!("help: if your application is only supported on Windows, use `--target x86_64-pc-windows-gnu` or some other windows platform");
std::process::exit(1);
}
}