Frameworks compiler and Qt requirements after Qt 5.7?

Aleix Pol aleixpol at
Fri Jun 26 22:22:00 BST 2015

On Fri, Jun 26, 2015 at 4:24 PM, Mark Gaiser <markg85 at> wrote:
> Hi,
> If Qt's plans progress according to what they post on the mailinglist then
> Qt 5.6 will be LTS, 5.7 will up the compiler requirements to the following:
> GCC 4.7
> Clang 3.2
> MSVC 2012
> Framework currently requires:
> GCC 4.5
> Clang 3.1
> MSVC 2012
> When frameworks started it had slightly less strict compiler requirements
> then Qt had. But now that Qt is upping the compiler requirement, we should
> follow as well. In fact, we should probably also update the Qt version
> requirement which right now is at 5.2.
> I have no clue when Qt 5.7 will be released, but i'm guessing around this
> time next year. Frameworks currently is at version 5.11 (5.12 coming up). If
> we add a year to that then frameworks is at version 5.24 when Qt 5.7 is
> released (big guess!). So why don't we change our requirements starting with
> frameworks 5.25 (nice number as well)? I'd propose changing it to the
> following:
> Qt 5.7 minimal requirement
> GCC 5.1 (or somewhere in 5.x)
> Clang 3.6.1 (or perhaps even 3.7)
> MSVC 2015
> We then have full C++11 support across the board and much of C++14 supported
> as well. MSVC clearly being the limiting one in that area for the C++14
> support, but still quite decent.
> Regarding the above version numbers for the compilers. They would now be
> considered "cutting edge" but in a year time most distributions will be at
> those versions or even newer.
> What's your opinion on this?
> Cheers,
> Mark

I agree with most of the comments. I'm unsure bumping the dependencies
would buy us that much. In fact it might be even interesting to
consider bumping to Qt 5.3 even.

Thinking about Qt 5.7, when Qt 5.5 is not even released, is premature.


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