src/bootstrap/bin/main.rs

   1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 //! rustbuild, the Rust build system
  12 //!
  13 //! This is the entry point for the build system used to compile the `rustc`
  14 //! compiler. Lots of documentation can be found in the `README.md` file next to
  15 //! this file, and otherwise documentation can be found throughout the `build`
  16 //! directory in each respective module.
  17
  18 #![deny(warnings)]
  19
  20 extern crate bootstrap;
  21
  22 use std::env;
  23
  24 use bootstrap::{Flags, Config, Build};
  25
  26 fn main() {
  27     let args = env::args().skip(1).collect::<Vec<_>>();
  28     let flags = Flags::parse(&args);
  29     let mut config = Config::parse(&flags.build, flags.config.clone());
  30
  31     // compat with `./configure` while we're still using that
  32     if std::fs::metadata("config.mk").is_ok() {
  33         config.update_with_config_mk();
  34     }
  35
  36     Build::new(flags, config).build();
  37 }