(in case it matters later, you can override the arguments for "make" by setting $MAKEOPTS, which might be useful to trick make into using something pre-build, or something)
We talked about this for a bit, it would be excellent if setting up a new version of ruby was quick on a per account basis. Otherwise the user will get a message like "Oh, hey - we're building this stupid ruby version. Wait lyke 5mins <3"