/etc/portage/package.use/qt-gui:dev-qt/qtgui raster trace -gles2
/etc/portage/package.use/media:media-libs/gst-plugins-bad -gles2
/etc/portage/package.use/package.use_:media-libs/mesa gbm egl gles2 llvm
/etc/portage/package.use/package.use_:x11-libs/cairo -gles2