openethereum/rpc/build.rs

// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.

// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// Parity 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 General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Parity.  If not, see <http://www.gnu.org/licenses/>.

extern crate rustc_version;

use rustc_version::{version_meta, Channel};

#[cfg(not(feature = "serde_macros"))]
mod inner {
    extern crate syntex;
    extern crate serde_codegen;

    use std::env;
    use std::path::Path;

    pub fn main() {
        let out_dir = env::var_os("OUT_DIR").unwrap();

        let src = Path::new("src/v1/types/mod.rs.in");
        let dst = Path::new(&out_dir).join("mod.rs");

        let mut registry = syntex::Registry::new();

        serde_codegen::register(&mut registry);
        registry.expand("", &src, &dst).unwrap();
    }
}

#[cfg(feature = "serde_macros")]
mod inner {
    pub fn main() {}
}

fn main() {
    inner::main();
	if let Channel::Nightly = version_meta().channel {
		println!("cargo:rustc-cfg=nightly");
	}
}