I understand it's inconvenient but it's the only way to get both versions
compiled. It should be no problem to have 2 or more versions of Qt
installed at the same time if there is a single qmake in the PATH. It works
perfectly on both Mac and Windows.
QWindowSystemInterface is not documented in Qt because it's not a public
API class. It's part of the code
https://github.com/qt/qtbase/blob/5.3/src/gui/kernel/qwindowsysteminterface.h
since at least Qt 5.3.
lasconic
2017-02-22 13:08 GMT+01:00 Maurizio M. Gavioli <miwa...@miwarre.org>:
> Thanks for the reply, lasconic.
>
>
> lasconic wrote
> > Maybe you have another Qt installed by your system?
>
> Sure I have: the Mint 17.3 distro comes with Qt 5.3. However it should not
> matter, as Qt 5.4 and 5.8 are installed in my home and, for instance, while
> using Qt 5.8, it finds everything it needs from its own code base.
>
> Dealing with master AND 2.1 practically requires to have three Qt versions:
> the one which ships with the distro, 5.4 for 2.1 and 5.6+ for master. What
> am I supposed to do? Keeping the sources of master on one PC and the
> sources
> of 2.1 on another?
>
> Anyway, where this damn QWindowSystemInterface is supposed to be found? It
> is not described anywhere in the Qt docs...
>
> > See https://forums.gentoo.org/viewtopic-p-7864110.html
>
> I did find this post, but it seems related with Gentoo specifics; it
> basically says: "Don't mix Qt versions", and we already know we shouldn't,
> but in some cases we are forced to do it anyway.
>
> I'll try with some more spells and runes...
>
>
>
> --
> View this message in context: http://dev-list.musescore.org/
> Error-while-compiling-tp7579819p7580152.html
> Sent from the MuseScore Developer mailing list archive at Nabble.com.
>
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