fn main() {
println!("cargo::rerun-if-env-changed=ENABLE_CASPER_LOG");
println!("cargo::rustc-check-cfg=cfg(enable_casper_log)");
if let Ok(val) = std::env::var("ENABLE_CASPER_LOG")
&& (val == "1" || val.eq_ignore_ascii_case("true"))
{
println!("cargo::rustc-cfg=enable_casper_log");
}
}