[Development] Proposing CMake as build tool for Qt 6

[Lars Knoll]

Hi Lisandro,

On 9 Jun 2019, at 16:46, Lisandro Damián Nicanor Pérez Meyer <perezmeyer at gmail.com<mailto:perezmeyer at gmail.com>> wrote:

Hi Simon!

On Thu, 6 Jun 2019 at 08:46, Simon Hausmann <Simon.Hausmann at qt.io<mailto:Simon.Hausmann at qt.io>> wrote:

Hi,

In the past months we, some developers from the Qt Company and KDAB,
have made good progress on the port of Qt to use CMake as build tool.
Since the initial prototype, the port has advanced very well and its
current state can be summarized roughly like this:

Does the port take into consideration the renaming of tooling to allow
easier co installation of Qt 5 and Qt 6? As discussed in
https://lists.qt-project.org/pipermail/development/2018-November/034381.html

That thread doesn’t explain why qtchooser isn’t a solution. It does work without problems for all my use cases, and I certainly do have quite a few Qt versions installed in parallel.

Part of the problem simply stems from the fact that Linux distributions want to put all the binaries into /usr/bin. As long as you keep separate Qt versions in separate directories there’s no problem I know of. Giving our build tools different names depending on the version can create other problems for our users, especially those that use some hand rolled build systems (and we probably have lots of those as well).

Cheers,
Lars

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