[LLVMdev] [RFC] Raise minimum required CMake version to 3.0

[Rafael Espíndola]

> You're still thinking about development environments, not production
> machines (ie. buildbots). One off installations are simple in any
> system, management of production environments are a constant source of
> pain, Windows, OSX or Linux.

Maybe. But the point is still that we seem to be OK with putting more
pain on Windows and OS X users (of whatever type) than Linux.

Cheers,
Rafael