extern crate rustc_allocator;
extern crate rustc_apfloat;
extern crate rustc_back;
-extern crate rustc_binaryen;
extern crate rustc_const_math;
extern crate rustc_data_structures;
extern crate rustc_demangle;
extern crate syntax_pos;
extern crate rustc_errors as errors;
extern crate serialize;
-#[cfg(windows)]
extern crate cc; // Used to locate MSVC
extern crate tempdir;