If you're willing to pay for it.

http://www.rubymotion.com/

Plus since when is AOT compilation required for CLI tools?

Half of UNIX userspace would be gone.

When you're talking about portable tooling in order to install other stuff it sure helps.

Apparently it was never a problem in the UNIX lifetime.

Yep, nobody ever, not once had trouble bootstrapping something like GCC in a new environment at all, ever.