[Interest] Roadmap for Qt Widget Styles. WindowsVista? Fusion? Other?

Phil Weinstein philw at indra.com
Thu Oct 27 22:58:28 CEST 2016

Well, some success.  The advice from Konstantin about mkspecs/modules 
led me to these files (which I copied from our Qt-551 build):

... Qt-562\qtbase\mkspecs\modules\qt_lib_webkit.pri
... Qt-562\qtbase\mkspecs\modules\qt_lib_webkitwidgets.pri

These needed to be edited to point into the Qt-562 directory.  (And 
something needing to be done, adding ".lib" extension to some things, 
became apparent when I ran qmake.exe on our application .pro files).

Our application built.  HOWEVER, I'm getting this Qt5WebKitd.dll error 
(retyped here) when I run:

    The procedure entry point
    ??4??QVector at VQPointF@@@@QEAA?AV0@$$QEAV0@@Z could not
    be located in the dynamic link library

This looks to be evidence that we CANNOT actually lift the webkit and 
webkitwidgets modules build with Qt 5.5.1 into a Qt 5.6.2 build.  (I was 
kinda surprised at the suggestion, as I understood that binary 
compatibility was assured only between different patches within a minor 

On 10/27/2016 12:39 PM, Konstantin Tokarev wrote:
> 27.10.2016, 21:33, "Phil Weinstein"<philw at indra.com>:
>> I may have misunderstood.  I thought that I could use the webkit and webkitwidgets components which had built with Qt 5.5.1 (actually move them into ...) a build of Qt 5.6.2.
>> But I'm getting the following error when I run the Qt 5.6.2 qmake.exe on our application *.pro files:
>> * Project ERROR: Unknown module(s) in QT: webkit webkitwidgets
>> Can those modules be added to "qmake.exe" after the Qt 5.6.2 configure and build?  (Like, are such modules enumerated in an associated text file?).
> Yes, being "known module" for qmake is just a matter of .pri file installation into mkspecs/modules
> You have to install QtWebKit into Qt prefix, or otherwise point QMAKEPATH environment variable to your installation when running qmake
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