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use std::path::Path;
// Return the first existing path given a list of paths as string slices
fn get_first_path(paths: &[&'static str]) -> Option<&'static str> {
paths.iter().find(|p| Path::new(p).exists()).copied()
}
fn main() {
let path_zoneinfo: &str = get_first_path(&[
"/usr/share/zoneinfo",
"/usr/share/lib/zoneinfo",
"/usr/lib/zoneinfo",
"/usr/lib/zoneinfo",
])
.unwrap_or("");
let path_maildir: &str =
get_first_path(&["/var/mail", "/var/spool/mail", "/usr/spool/mail"]).unwrap_or("/var/mail");
// TODO: use _PATH_STDPATH and _PATH_DEFPATH_ROOT from paths.h
println!("cargo:rustc-env=SUDO_PATH_DEFAULT=/usr/bin:/bin:/usr/sbin:/sbin");
println!(
"cargo:rustc-env=SU_PATH_DEFAULT_ROOT=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
);
println!(
"cargo:rustc-env=SU_PATH_DEFAULT=/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games"
);
println!("cargo:rustc-env=PATH_MAILDIR={path_maildir}");
println!("cargo:rustc-env=PATH_ZONEINFO={path_zoneinfo}");
println!("cargo:rerun-if-changed=build.rs");
println!("cargo:rustc-link-lib=pam");
}
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