<div dir="ltr"><div>Googling provides information that when code is build using XCode 14 with c++17 mode, it will not work with macOS Ventura arm64 (lack of symbols in libc++) . Did PyQt5 require  c++17, or could it be compiled with an older version?</div><div><br></div><div>Regards,</div><div>Grzegorz Bokota<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">czw., 2 lis 2023 o 19:34 Grzegorz Bokota <<a href="mailto:g.bokota@mimuw.edu.pl">g.bokota@mimuw.edu.pl</a>> napisał(a):<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"><div>Dear Phil,</div><div>I just tested PyQt5 wheels on macos 13.2.1 and got:<br><br><span style="font-family:monospace">In [2]: from PyQt5.QtWidgets import QApplication, QLabel<br>   ...:<br>---------------------------------------------------------------------------<br>ImportError                               Traceback (most recent call last)<br>Cell In[2], line 1<br>----> 1 from PyQt5.QtWidgets import QApplication, QLabel<br><br>ImportError: dlopen(/Users/sobolp/micromamba/envs/napari-419/lib/python3.11/site-packages/PyQt5/<a href="http://QtWidgets.abi3.so" target="_blank">QtWidgets.abi3.so</a>, 0x0002): Symbol not found: __ZTVNSt3__13pmr25monotonic_buffer_resourceE<br>  Referenced from: <8239A761-D3BE-396C-A445-F703655273B5> /Users/sobolp/micromamba/envs/napari-419/lib/python3.11/site-packages/PyQt5/Qt5/lib/QtWidgets.framework/Versions/5/QtWidgets<br>  Expected in:     <3EE92404-8FC3-374B-A598-D5C9A8CD64B5> /usr/lib/libc++.1.dylib</span><br></div><div><br></div><div>The wheels are tagged as 11.0 compatible. Also, wheels on from riverbank pypi (<a href="https://www.riverbankcomputing.com/pypi/" target="_blank">https://www.riverbankcomputing.com/pypi/</a>) are working without any problem on this machine. could you chek what may have men changed and rebuilt the wheels? <br></div><div><br></div><div>Regards,</div><div>Grzegorz Bokota <br></div><div><br><br> <br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">wt., 31 paź 2023 o 11:41 Phil Thompson <<a href="mailto:phil@riverbankcomputing.com" target="_blank">phil@riverbankcomputing.com</a>> napisał(a):<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On 31/10/2023 08:05, ullix wrote:<br>
> This one-liner fails on Mac (macbook air M1, OS Big Sur 11.6):<br>
> <br>
>    fromPyQt5.QtWidgetsimport*<br>
> <br>
> with this output on Py3.10 and same on Py3.11:<br>
> <br>
>    python3.10 test4mac.py Exception:<br>
>    <br>
> dlopen(/opt/homebrew/lib/python3.10/site-packages/PyQt5/<a href="http://QtWidgets.abi3.so" rel="noreferrer" target="_blank">QtWidgets.abi3.so</a>,<br>
>    2): Symbol not found: __ZTVNSt3__13pmr25monotonic_buffer_resourceE<br>
>    Referenced from:<br>
> <br>
> /opt/homebrew/lib/python3.10/site-packages/PyQt5/Qt5/lib/QtCore.framework/Versions/5/QtCore<br>
>    Expected in: /usr/lib/libc++.1.dylib in<br>
> <br>
> /opt/homebrew/lib/python3.10/site-packages/PyQt5/Qt5/lib/QtCore.framework/Versions/5/QtCore<br>
>    python3.11 test4mac.py Exception:<br>
> <br>
> dlopen(/Users/alkaddy/Library/Python/3.11/lib/python/site-packages/PyQt5/<a href="http://QtWidgets.abi3.so" rel="noreferrer" target="_blank">QtWidgets.abi3.so</a>,<br>
>    2): Symbol not found: __ZTVNSt3__13pmr25monotonic_buffer_resourceE<br>
>    Referenced from:<br>
> <br>
> /Users/alkady/Library/Python/3.11/lib/python/site-packages/PyQt5/Qt5/lib/QtCore.framework/Versions/5/QtCore<br>
>    Expected in: /usr/lib/libc++.1.dylib in<br>
> <br>
> /Users/alesandro/Library/Python/3.11/lib/python/site-packages/PyQt5/Qt5/lib/QtCore.framework/Versions/5/QtCore<br>
> <br>
> <br>
> The tiny test program is attached.<br>
> The PyQt stuff had been installed with:<br>
> <br>
>    |python3 -m pip uninstall PyQt5 PyQt5-sip|<br>
> <br>
> Any guidance? Thanks.<br>
> ullix<br>
<br>
It's possibly an issue with your version of macOS. The Qt wheels are <br>
built with Xcode 15 on Ventura.<br>
<br>
Phil<br>
</blockquote></div>
</blockquote></div>