- The following OPTIONAL packages have not been found:

 * Phonon4Qt5 , Abstraction lib for multimedia applications , <https://www.kde.org/>
   Required by Stage event actions and Videoshape plugin
 * Vc (required version >= 1.1.0) , Portable, zero-overhead SIMD library for C++ , <https://github.com/VcDevel/Vc>
   Required by the pigment for vectorization
 * PopplerXPDFHeaders , XPDF headers in the Poppler Qt5 interface library , <http://poppler.freedesktop.org>
   Required by the Karbon PDF import filter
 * Libqgit2
 * OOoSDK