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From: Nikos Chantziaras <realnc@gmail.com>
Subject: [gentoo-user] Re: qpdfview - asking for qt4 or qt5
Date: Sat, 25 Apr 2015 20:43:24 +0300
Organization: Lucas Barks
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References: <20150425165403.GA26176@syscon7>
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On 25/04/15 19:54, Joseph wrote:
> I've on my system "qpdfview" (without qt*) but the system wants to
> upgrade to qpdfview-0.4.13-r1
> and it is asking for qt4 or qt5
>[...]
> Why?

Because it can now be build using Qt4 or Qt5. You have to choose one.

If you're on KDE4, enable the qt4 USE flag (otherwise the application 
won't integrate with KDE desktop.) If you're not on KDE4, then you might 
as well choose qt5.