[Interest] What for does qt5gui need OpenGL?
olszak.tomasz at gmail.com
Thu Nov 7 07:51:16 CET 2013
2013/11/7 Uwe Rathmann <Uwe.Rathmann at tigertal.de>
> On Wed, 06 Nov 2013 08:03:47 -0800, Thiago Macieira wrote:
> >> Shouldn't they be in Qt5OpenGL.dll?
> > No, they are where they were supposed to be. That's by design.
> With some nasty consequences for us users:
> Our applications run on several pieces of embedded hardware, where one of
> them had been designed 7 years ago with a graphic chip, where only OpenGL
> ES 1.1 is supported. This board needs to be supported and updated for
> many, many years - no way to exchange it by something more recent.
> Even if we don't need OpenGL ( using widgets only ) we are stuck with Qt
> 4 forever, because Qt5 has this unnecessary OpenGL dependency. So far
> this had been no big problem - Qt4 is pretty fine - and there are some
> backports of new Qt5 features ( by the way: it would be nice to add the
> json classes to Qt 4.9 ), but sooner or later this will become an issue.
AFAIK you can build Qt5 with no-opengl switch and you should be able to run
QtWidgets applications without having libQt5OpenGl dependency in libQt5Gui.
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