#[cfg(feature = "with-syntex")] mod inner { extern crate quasi_codegen; use std::env; use std::path::Path; use std::thread::spawn; pub fn main() { // put everything into a thread, so users can use `RUST_MIN_STACK` to increase the amount of stack spawn(|| { let out_dir = env::var_os("OUT_DIR").unwrap(); let src = Path::new("src/lib.rs.in"); let dst = Path::new(&out_dir).join("lib.rs"); quasi_codegen::expand(&src, &dst).unwrap(); }).join().unwrap() } } #[cfg(not(feature = "with-syntex"))] mod inner { pub fn main() {} } fn main() { inner::main(); }