python x.py build
```
+If you are seeing build failure when compiling `rustc_binaryen`, make sure the path
+length of the rust folder is not longer than 22 characters.
+
#### Specifying an ABI
[specifying-an-abi]: #specifying-an-abi
most popular channel is [#rust], a venue for general discussion about
Rust. And a good place to ask for help would be [#rust-beginners].
+Also, the [rustc guide] might be a good place to start if you want to
+find out how various parts of the compiler work.
+
[IRC]: https://en.wikipedia.org/wiki/Internet_Relay_Chat
[#rust]: irc://irc.mozilla.org/rust
[#rust-beginners]: irc://irc.mozilla.org/rust-beginners
+[rustc-guide]: https://rust-lang-nursery.github.io/rustc-guide/about-this-guide.html
## License
[license]: #license