<div>I'm experiencing the same issue as stated here: <a href="https://www.riverbankcomputing.com/pipermail/pyqt/2020-September/043203.html" target="_blank" rel="noreferrer nofollow noopener">https://www.riverbankcomputing.com/pipermail/pyqt/2020-September/043203.html</a> but unfortunately Chris gave up and switched to iOS..<br></div><div>I've also asked a question on Stackoverflow:  <a href="https://stackoverflow.com/questions/65059086/project-error-unknown-modules-in-qt-x11extras" target="_blank" rel="noreferrer nofollow noopener">https://stackoverflow.com/questions/65059086/project-error-unknown-modules-in-qt-x11extras</a><br></div><div><br></div><div>Are there any updates?<br></div><div><br></div><div>I've
 tried to build the demo on Ubuntu 18.04, Debian 10, Fedora 31, Fedora
33 with all development related packages installed I can imagine, but
I'm facing the same error again and again.<br></div><div><br></div><div>In native and dockered systems I've installed the following packages: <code>python python3 python3-pip build-essential libssl-dev zlib1g-dev<code> </code>pyqt5-dev libqt5x11extras5-dev libgles2-mesa-dev<br></code>With <code>pip</code> Ive installed <code> pyqtdeploy</code>, <code>sip</code>, and <code>PyQt-builder</code></div><div><br></div><div>I also experimentally (desperately) installed all Qt5 or X11 related dev packages (i.e. *qt5*-dev, *x11*-dev)<br></div><div><br></div><div>Then I tried to build the demo:<br></div><pre><code>tar xf pyqtdeploy<span>-3.1.0</span>.tar.gz
cd pyqtdeploy<span>-3.1.0</span>/demo
python3 build-demo.py --verbose</code><br></pre><div>Building Qt5 seemed to work fine but when it comes to PyQt5 I alway get<br></div><pre><code>... 2h of compilation ...<br>Running <span>'sip-install --qmake /home/me/pyqt5/demo/sysroot-linux-64/Qt/bin/qmake --no-distinfo --concatenate 2 --no-docstrings --verbose'</span>.
Querying qmake about your Qt installation...
<span>/home/me/pyqt5</span>/demo/sysroot-linux<span>-64</span>/Qt/bin/qmake -query
This is the GPL version of PyQt <span>5.15.0</span> (licensed under the GNU General Public License) <span>for</span> Python <span>3.7.7</span> on linux.
Found the license file <span>'pyqt-gpl.sip'</span>.
These bindings will be built: QtCore, QtNetwork, QtGui, QtWidgets, QtX11Extras.
Generating the QtCore bindings...
Generating the QtNetwork bindings...
Generating the QtGui bindings...
Generating the QtWidgets bindings...
Generating the QtX11Extras bindings...
Generating the .pro file <span>for</span> the QtCore <span>module</span>...
Generating the .pro file <span>for</span> the QtNetwork <span>module</span>...
Generating the .pro file <span>for</span> the QtGui <span>module</span>...
Generating the .pro file <span>for</span> the QtWidgets <span>module</span>...
Generating the .pro file <span>for</span> the QtX11Extras <span>module</span>...
Generating the top-level .pro file...
Generating the Makefiles...
<span>/home/me/pyqt5</span>/demo/sysroot-linux<span>-64</span>/Qt/bin/qmake -recursive PyQt5.pro
sip-install: <span>'/home/me/pyqt5/demo/sysroot-linux-64/Qt/bin/qmake -recursive PyQt5.pro'</span> failed returning <span>3</span>
Info: creating stash file /tmp/tmp1_ng3eyh/.qmake.stash
Reading /tmp/tmp1_ng3eyh/QtCore/QtCore.pro
Reading /tmp/tmp1_ng3eyh/QtNetwork/QtNetwork.pro
Reading /tmp/tmp1_ng3eyh/QtGui/QtGui.pro
Reading /tmp/tmp1_ng3eyh/QtWidgets/QtWidgets.pro
<b>Reading /tmp/tmp1_ng3eyh/QtX11Extras/QtX11Extras.pro
Project ERROR: </b><span><b>Unknown </b><span><b>module</b></span><span><b>(s)</b></span><b> in QT: x11extras
pyqtdeploy-sysroot: execution of 'sip-install' failed: returned </b><span><b>exit</b></span><b> code 1</b></span></code><b></b></pre><pre><code><span>
</span></code>I'm running out of ideas.. Can someone provide me with a hint how to locate the problem? What does "Unknown module(s) in QT" mean?<br></pre><pre>Is there a distinct list of dependencies needed for PyQt5 on Linux and for Linux? I've read <a href="https://www.riverbankcomputing.com/static/Docs/pyqtdeploy/demo.html#building-the-demo">https://www.riverbankcomputing.com/static/Docs/pyqtdeploy/demo.html#building-the-demo</a> as recommended by Phil but I think I've installed all dependencies one can think of..<br></pre><pre><br></pre><div><br></div>