Gentoo's Bugzilla – Bug 679232app-text/calibre-3.38.1 with dev-qt/qtgui-5.12.1: .../calibre-3.38.1/src/calibre/headless/fontconfig_database.cpp:769:48: error: invalid use of incomplete type ‘class QFontEngineFT’Last modified: 2019-03-03 05:58:10 UTC node [vulture]