[Development] [Releasing] Qt 5.10 pre-built bunaries

Thiago Macieira thiago.macieira at intel.com
Wed Jun 7 22:09:36 CEST 2017

On Tuesday, 6 June 2017 23:57:10 PDT Jani Heikkinen wrote:
> Hi all,
> There has been discussion ongoing about 5.10 supported platforms and CI
> configurations. What we haven't agreed yet is Qt 5.10 pre-built binaries. I
> don't see big need to change anything from 5.9 but there is still couple of
> things on my mind:
> - Should we now switch from MinGW32 bit -> MinGW 64bit ones? With 5.9 this
> was too early but would it be time to do it now? Offering both isn't an
> option. And 5,9 is LTS so 5.10 could be good release to change that...
> - Can we start using RHEL 7.4 for linux packaging? Tony is planning to add
> RHEL 7.4 in CI and so on it would be wise to replace 7.2 with 7.4 in the
> packaging as well
> Is there some other change proposals which we should discuss about?

I'd like to propose raising the minimum version for GCC to 4.8.1, which is the 
first C++11 complete version, or higher. The reason for this is actually to 
drop GCC 4.7 and earlier, which have a few bugs with their C++11 support. GCC 
4.7 has been the minimum since Qt 5.7.0 and is now 5 years old.

I've just been bitten by one with QRandomGenerator, relating to calling static 
member functions from a lambda. The workaround suggested in the Coding 
Convention is not applicable going forward because Clang 5.0 will produce a 
warning about it (I've updated the wiki), so we have to choose which one we'll 
support very shortly, as soon as Apple begins shipping Clang based on the 
current trunk version in XCode.

Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center

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