build.rs

// Copyright 2018 Kodebox, Inc.
// This file is part of CodeChain.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

extern crate vergen;

use vergen::{ConstantsFlags, Result, Vergen};

fn main() {
    gen_constants().expect("Unable to generate vergen constants!");
}

fn gen_constants() -> Result<()> {
    let vergen = Vergen::new(ConstantsFlags::all())?;

    for (k, v) in vergen.build_info() {
        println!("cargo:rustc-env={}={}", k.name(), v);
    }

    Ok(())
}