<div dir="ltr">I have had mkvtoolnix running for some time. All of a sudden, I am getting the following:<div><br></div><div>$ mkvtoolnix-gui <br>mkvtoolnix-gui: error while loading shared libraries: libcmark.so.0.31.1: cannot open shared object file: No such file or directory</div><div><br></div><div>libcmark.so is part of the cmark-0.31.2 package, which I updated on 21st February. So, I removed mkvtoolnix and tried to build it again. Alas, it won't:</div><div><br></div><div>           CXX src/mkvtoolnix-gui/util/json_config_file.cpp<br>           CXX src/mkvtoolnix-gui/util/kax_analyzer.cpp<br>           CXX src/mkvtoolnix-gui/util/kax_info.cpp<br>           CXX src/mkvtoolnix-gui/util/language_combo_box.cpp<br>           CXX src/mkvtoolnix-gui/util/serial_worker_queue.cpp<br>           CXX src/mkvtoolnix-gui/util/language_dialog.cpp<br>           CXX src/mkvtoolnix-gui/util/language_display_widget.cpp<br>           CXX src/mkvtoolnix-gui/util/media_player.cpp<br>           CXX src/mkvtoolnix-gui/util/message_box.cpp<br>src/mkvtoolnix-gui/util/media_player.cpp: In member function ‘void mtx::gui::Util::MediaPlayer::handleError(QMediaPlayer::Error)’:<br>src/mkvtoolnix-gui/util/media_player.cpp:76:9: error: invalid use of incomplete type ‘class QDebug’<br>   76 |   qDebug() << "MediaPlayer::handleError" << error << p.errorReported;<br>compilation terminated due to -Wfatal-errors.<br>           CXX src/mkvtoolnix-gui/util/model.cpp<br>           CXX src/mkvtoolnix-gui/util/modify_tracks_submenu.cpp<br>           CXX src/mkvtoolnix-gui/util/recently_used_strings.cpp<br>           CXX src/mkvtoolnix-gui/util/network_access_manager.cpp<br>           CXX src/mkvtoolnix-gui/util/option_file.cpp<br>           CXX src/mkvtoolnix-gui/util/process.cpp<br>           CXX src/mkvtoolnix-gui/util/qgs_collapsible_group_box.cpp<br></div><div><br></div><div>Any pointers on how to fix this would be much appreciated.</div></div>