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use std::path::Path;
fn main() {
let ament_prefix_path = match std::env::var("AMENT_PREFIX_PATH") {
Ok(path) => path,
Err(std::env::VarError::NotPresent) => {
println!("cargo:warning='AMENT_PREFIX_PATH not set'");
String::new()
}
Err(std::env::VarError::NotUnicode(s)) => {
panic!(
"AMENT_PREFIX_PATH is not valid unicode: `{}`",
s.to_string_lossy()
);
}
};
println!("cargo:rerun-if-env-changed=AMENT_PREFIX_PATH");
let paths = ament_prefix_path.split(':').map(Path::new);
for path in paths {
println!("cargo:rerun-if-changed={}", path.display());
}
println!("cargo:rustc-env=DETECTED_AMENT_PREFIX_PATH={ament_prefix_path}");
}
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