[Development] Switch the main "Qt Build System"

[Alexandru Croitor]

> On 9. Jun 2020, at 07:22, Bogdan Vatra <bogdan.vatra at kdab.com> wrote:
> 
> - is it possible to cross compile Qt in one go (just like we do with qmake)?

Could you clarify what you mean by "in one go"?

If it's about building host tools as part of the cross-compilation, then no. You first have to build a desktop Qt, and re-use that host Qt installation for its tools, to cross-compile to another target.

That's been one of the goals for Qt 6 regardless of build system, and has been communicated a while ago.