<div dir="ltr">For what it is worth, I was able to build it on a different 15.0 system. A major difference is that Qt6 is not installed in this system.</div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Sun, Mar 8, 2026 at 12:44 PM Luveh Keraph <<a href="mailto:1.41421@gmail.com">1.41421@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">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:<div><br><div>-rw-r--r-- 1 root root 55573 Jan 22 2025 PyQt5-5.15.2-x86_64-5<br>-rw-r--r-- 1 root root 5706 Jan 22 2025 QtAV-20210414_305e5404-x86_64-1<br>-rw-r--r-- 1 root root 5730 Jan 22 2025 bluez-qt-5.90.0-x86_64-1<br>-rw-r--r-- 1 root root 3796 Jan 22 2025 fcitx-qt5-1.2.7-x86_64-1<br>-rw-r--r-- 1 root root 1334 Jan 22 2025 kdevelop-pg-qt-2.2.1-x86_64-4<br>-rw-r--r-- 1 root root 1403 Jan 22 2025 kqtquickcharts-21.12.1-x86_64-1<br>-rw-r--r-- 1 root root 1697 Jan 22 2025 layer-shell-qt-5.23.5-x86_64-1<br>-rw-r--r-- 1 root root 1580 Jan 22 2025 libdbusmenu-qt-0.9.3+16.04.20160218-x86_64-3<br>-rw-r--r-- 1 root root 943 Nov 29 08:21 libqtpas-4.4-x86_64-1_SBo<br>-rw-r--r-- 1 root root 3628 Jan 22 2025 modemmanager-qt-5.90.0-x86_64-1<br>-rw-r--r-- 1 root root 10825 Jan 22 2025 networkmanager-qt-5.90.0-x86_64-1<br>-rw-r--r-- 1 root root 3169 Jan 22 2025 polkit-qt-1-0.114.0-x86_64-1<br>-rw-r--r-- 1 root root 3385 Jan 22 2025 pulseaudio-qt-1.3-x86_64-2<br>-rw-r--r-- 1 root root 692964 Jan 23 2025 qt5-5.15.3_20220318_e507d3e5-x86_64-1_slack15.0<br>-rw-r--r-- 1 root root 7219 Jan 22 2025 qt5-webkit-5.212.0_alpha4-x86_64-7<br>-rw-r--r-- 1 root root 1137955 Dec 28 06:41 qt6-6.8.3-x86_64-2_SBo<br>-rw-r--r-- 1 root root 1716 Jan 22 2025 qtkeychain-0.13.2-x86_64-1<br>-rw-r--r-- 1 root root 19348 Mar 10 2025 sphinxcontrib-qthelp-2.0.0-x86_64-1_</div><div><br></div></div><div>In particular, Qt6 is very recent.</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Mar 8, 2026 at 11:12 AM Jeremy Hansen <<a href="mailto:jebrhansen%2BSBo@gmail.com" target="_blank">jebrhansen+SBo@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">This built fine on a clean fully patched install of 15.0.<div dir="auto"><br></div><div dir="auto">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.</div><div dir="auto"><pre style="padding:1em 0px;background-color:rgb(255,255,255)"><font color="#000000"><span>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.</span></font></pre><pre style="padding:1em 0px;background-color:rgb(255,255,255)">Jeremy</pre></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Mar 8, 2026, 12:44 PM Luveh Keraph <<a href="mailto:1.41421@gmail.com" target="_blank">1.41421@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><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>
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