[Development] git 5.8.0 build failure with vs 2017 rc error C3615: constexpr function 'QAlgorithmsPrivate::qt_builtin_ctz' cannot result in a constant exp ression

[Gunnar Roth]

> Am 05.12.2016 um 20:07 schrieb Thiago Macieira <thiago.macieira at intel.com>:
> 
> Em segunda-feira, 5 de dezembro de 2016, às 15:42:25 PST, Gunnar Roth 
> escreveu:
>> Hello,
>> My try to build qt 5.8.0 from git using vs2017 rc (CL 19.10.24629) failed
>> already when building configure. (commit
>> 2c27ccd1c9a821edd071cae6336ecb2066ce2ab7) the qt 5.8 beta did work. Using
>> CL 19.00.24213.1 (vs2015 upd3 + kb) also works. does anyone have the same
>> problem? Probably constexpr was activated for this compiler but not tested.
> 
> 5.8 beta is too old. Pleaase upgrade to the latest 5.8.0 branch.
Sure thats why i tried using  the version from git.

> 
> From the other email:
>> Ok thank you Friedeman,
>> so
>> $ cd qt5
>> $ perl init-repository
>> $ git checkout 5.8.0
>> $ git submodule update
>> is not the correct way to get latest 5.8.0 from git?
>> 
>> But what is the correct way then?
> 
> It is, but it's possible that the qt5 link to qtbase is outdated due to having 
> failed to integrate. You need to update qtbase to the 5.8.0 branch, even past 
> what qt5 requires of you.
i did git checkout 5.8 git submodule update  which compiled then.

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