Off by default, build behaves normally.
WITH_META_MODE we get auto objdir creation, the ability to
start build from anywhere in the tree.
Still need to add real targets under targets/ to build packages.
Differential Revision: D2796
Reviewed by: brooks imp
While hacking on TTY code, I often miss a small utility to revoke my own
(pseudo-)terminals. This small utility is just a small wrapper around
the revoke(2) call, so you can destroy your very own login sessions.
Approved by: re
