[Development] Switch the main "Qt Build System"

[Dominik Holland]

Am 10.06.20 um 18:28 schrieb Thiago Macieira:
> On Wednesday, 10 June 2020 04:35:51 PDT Dominik Holland wrote:
>>> Strictly speaking, you don't have to build Qt twice. You can use your
>>> system's packaged Qt, or Conan or Homebrew or one of the binary builds
>>> from qt.io as the other. If you don't intend to develop it, you can use
>>> the regular, release builds made by others.
>> Mhh but that only works if your system have packaged the same Qt version
>> isn't it ? I'm talking about future changes/new features of moc which
>> might be needed by newer Qt versions.
> See my reply to Bogdan. We should not require exact same version. We may need 
> to require "not newer"
>
> Qt needs to continue supporting older moc-generated code that was compiled 
> into libraries and applications and ditto for rcc, uic. So there's little 
> reason why the version of those tools has to be the exact same.
>
> Being newer could be a problem.
>
+1