sapling/eden/scm/lib/procinfo/build.rs

/*
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This software may be used and distributed according to the terms of the
 * GNU General Public License version 2.
 */

fn main() {
    #[cfg(target_os = "macos")]
    {
        cc::Build::new().file("darwin.c").compile("darwin");
    }
}