fn main() {
cc::Build::new()
.file("c_lib/localtime.c")
// tm_zone has undocumented lifetime so better turn it off
.define("NO_TM_ZONE", None)
.define("STD_INSPIRED", None)
.warnings(std::env::var_os("RL_LOCALTIME_WARN").is_some())
.compile("rllocaltime");
}