Investigate crosstool

http://www.kegel.com/crosstool/crosstool-0.43/doc/crosstool-howto.html

> Crosstool was originally developed for embedded system developers, but is also useful for mainstream developers who simply want their compiles to go fast or who need to build programs that run on older versions of Linux (e.g. Red Hat 6.2), but don't want to develop on those ancient systems.

Sounds awesome, we should investigate it.