{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"println!(\"cargo:rerun-if-env-changed={}\","}]}
    println!("cargo:rerun-if-env-changed={}", &*ENV_LLVM_PREFIX);
    // Behavior can be significantly affected by these vars.
    if let Ok(path) = env::var(&*ENV_LLVM_PREFIX) {