Version 2.0.0 has been released with QTWebEngine: http://blog.qupzilla.com/2016/03/qupzilla-200-released-with-qtwebengine.html I guess this requires some changes in the ebuild from v1.8.9.
Created attachment 429780 [details, diff] v1.8.9 -> v2.0.0 Okay, I tried to make the necessary changes to the ebuild (mainly removing the QT4 stuff) but it looks like QtWebEngine is not in Portage yet. :/
Created attachment 432104 [details, diff] qupzilla-1.8.9-2.0.0.patch With the addition of QtWebEngine to the tree and this patch, I successfully compiled and executed Qupzilla on AMD64.
https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=f3ba5815e561ee8e50a699bd76fe4ff8432e5a90 https://gitweb.gentoo.org/proj/qt.git/commit/?id=06431e9a52b3bdc5c2a6e7b500150282cfb3885b