libsystemd-sys 0.2.1

extern crate pkg_config;
use std::env;

fn main() {
    let e = match pkg_config::find_library("libsystemd") {
        Ok(_) => return,
        Err(e) => e,
    };

    match env::var("LIBSYSTEMD_LDFLAGS") {
        Ok(flags) => {
            /* Ideally we'd avoid rustc-flags in favor of rustc-link-{search,lib}, but this should
             * work fine
             */
            println!("cargo:rustc-flags={}", flags);
        }
        Err(_) => {
            println!("{}", e);
            panic!("systemd was not found via pkg-config nor via the env var LIBSYSTEMD_LDFLAGS")
        },
    }
}