[Slackbuilds-users] mkvtoolnix problem
Luveh Keraph
1.41421 at gmail.com
Sun Mar 8 18:44:55 UTC 2026
Out of those the only one that is installed in my system is pugixml. At any
rate, isn't the error diagnostic suggestive of something going on with the
Qt library? What follows is a list of packages that may be related to Qt
that I have in my system:
-rw-r--r-- 1 root root 55573 Jan 22 2025 PyQt5-5.15.2-x86_64-5
-rw-r--r-- 1 root root 5706 Jan 22 2025 QtAV-20210414_305e5404-x86_64-1
-rw-r--r-- 1 root root 5730 Jan 22 2025 bluez-qt-5.90.0-x86_64-1
-rw-r--r-- 1 root root 3796 Jan 22 2025 fcitx-qt5-1.2.7-x86_64-1
-rw-r--r-- 1 root root 1334 Jan 22 2025 kdevelop-pg-qt-2.2.1-x86_64-4
-rw-r--r-- 1 root root 1403 Jan 22 2025 kqtquickcharts-21.12.1-x86_64-1
-rw-r--r-- 1 root root 1697 Jan 22 2025 layer-shell-qt-5.23.5-x86_64-1
-rw-r--r-- 1 root root 1580 Jan 22 2025
libdbusmenu-qt-0.9.3+16.04.20160218-x86_64-3
-rw-r--r-- 1 root root 943 Nov 29 08:21 libqtpas-4.4-x86_64-1_SBo
-rw-r--r-- 1 root root 3628 Jan 22 2025 modemmanager-qt-5.90.0-x86_64-1
-rw-r--r-- 1 root root 10825 Jan 22 2025
networkmanager-qt-5.90.0-x86_64-1
-rw-r--r-- 1 root root 3169 Jan 22 2025 polkit-qt-1-0.114.0-x86_64-1
-rw-r--r-- 1 root root 3385 Jan 22 2025 pulseaudio-qt-1.3-x86_64-2
-rw-r--r-- 1 root root 692964 Jan 23 2025
qt5-5.15.3_20220318_e507d3e5-x86_64-1_slack15.0
-rw-r--r-- 1 root root 7219 Jan 22 2025
qt5-webkit-5.212.0_alpha4-x86_64-7
-rw-r--r-- 1 root root 1137955 Dec 28 06:41 qt6-6.8.3-x86_64-2_SBo
-rw-r--r-- 1 root root 1716 Jan 22 2025 qtkeychain-0.13.2-x86_64-1
-rw-r--r-- 1 root root 19348 Mar 10 2025
sphinxcontrib-qthelp-2.0.0-x86_64-1_
In particular, Qt6 is very recent.
On Sun, Mar 8, 2026 at 11:12 AM Jeremy Hansen <jebrhansen+SBo at gmail.com>
wrote:
> This built fine on a clean fully patched install of 15.0.
>
> Do you by chance have any of the optional dependencies listed in the
> mkvtoolnix README installed? I can try again with any you have installed to
> potentially confirm where the issue is.
>
> Below libraries are bundled with the source code and configure will use
> system version if they are usable:
> * avilib
> * librmff
> * nlohmann-json
> * pugixml (on SBo)
> * utf8-cpp
> * fmt (on SBo)
> * libebml (on SBo)
> * libmatroska (on SBo)
>
> Installation of the above libraries are completely optional and internal
> versions are well tested within the application.
>
> Jeremy
>
>
> On Sun, Mar 8, 2026, 12:44 PM Luveh Keraph <1.41421 at gmail.com> wrote:
>
>> I have had mkvtoolnix running for some time. All of a sudden, I am
>> getting the following:
>>
>> $ mkvtoolnix-gui
>> mkvtoolnix-gui: error while loading shared libraries: libcmark.so.0.31.1:
>> cannot open shared object file: No such file or directory
>>
>> 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:
>>
>> CXX src/mkvtoolnix-gui/util/json_config_file.cpp
>> CXX src/mkvtoolnix-gui/util/kax_analyzer.cpp
>> CXX src/mkvtoolnix-gui/util/kax_info.cpp
>> CXX src/mkvtoolnix-gui/util/language_combo_box.cpp
>> CXX src/mkvtoolnix-gui/util/serial_worker_queue.cpp
>> CXX src/mkvtoolnix-gui/util/language_dialog.cpp
>> CXX src/mkvtoolnix-gui/util/language_display_widget.cpp
>> CXX src/mkvtoolnix-gui/util/media_player.cpp
>> CXX src/mkvtoolnix-gui/util/message_box.cpp
>> src/mkvtoolnix-gui/util/media_player.cpp: In member function ‘void
>> mtx::gui::Util::MediaPlayer::handleError(QMediaPlayer::Error)’:
>> src/mkvtoolnix-gui/util/media_player.cpp:76:9: error: invalid use of
>> incomplete type ‘class QDebug’
>> 76 | qDebug() << "MediaPlayer::handleError" << error <<
>> p.errorReported;
>> compilation terminated due to -Wfatal-errors.
>> CXX src/mkvtoolnix-gui/util/model.cpp
>> CXX src/mkvtoolnix-gui/util/modify_tracks_submenu.cpp
>> CXX src/mkvtoolnix-gui/util/recently_used_strings.cpp
>> CXX src/mkvtoolnix-gui/util/network_access_manager.cpp
>> CXX src/mkvtoolnix-gui/util/option_file.cpp
>> CXX src/mkvtoolnix-gui/util/process.cpp
>> CXX src/mkvtoolnix-gui/util/qgs_collapsible_group_box.cpp
>>
>> Any pointers on how to fix this would be much appreciated.
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