# may need to strip off the -generic from that last one
```
### rlwrap
The Pyston repl (`make run`) doesn't currently support any typical terminal features; it simply reads stdin as a raw stream. Some day we will add it, but for now you can use "rlwrap" to provide these features as a wrapper around Pyston. Simply
```
sudo apt-get install rlwrap
```
and when you do `make run`, the Make system will invoke rlwrap. If you want to invoke the repl manually, you can do `rlwrap ./pyston`
### ninja-based LLVM build
Ninja is supposed to be faster than make; I've only tried it very briefly, and it does seem to be faster when modifying LLVM files. May or may not be worth using; thought I'd jot down my notes though:
You may or may not need a more-recent version of ninja than your package manager provides:
