[Slackbuilds-users] mkvtoolnix problem

[Luveh Keraph]

This is for 15.0. I downloaded the mkvtoolnix.tar.gz and
mkvtoolnix-80.0.tar.xz tarballs from the Slackbuilds page for mkvtoolnix,
tried to build, and this is what I am getting. My 15.0 system is up to date
on patches.

On Sun, Mar 8, 2026 at 10:51 AM Matteo Bernardini <
matteo.bernardini at gmail.com> wrote:

> which version of mkvtoolnix are you trying to build?
> are you on stable or on current?
>
> Matteo
>
>
> Il giorno dom 8 mar 2026 alle ore 17:44 Luveh Keraph <1.41421 at gmail.com>
> ha scritto:
>
>> 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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