Issue with latest PyQt6-Qt6 wheel on Debian 11 Bullseye

Scott Talbert swt at techie.net
Wed Jun 21 14:36:51 BST 2023


On Wed, 21 Jun 2023, Detlev Offenbach wrote:

> Additional info: PyQt6-Qt6 6.5.1 works fine on Debian 12 Bookworm.
>
> Am 21.06.23 um 15:21 schrieb Detlev Offenbach:
>> Hi,
>> 
>> I upgraded my Python virtual environment to PyQt6 6.5.1 and PyQt6-Qt6 6.5.1 
>> on a Debian 11 Bullseye system. Starting eric fails with the following 
>> error message (abbreviated for privacy)
>> 
>> PyQt6/Qt6/plugins/platforms/../../lib/libQt6WaylandClient.so.6: undefined 
>> symbol: wl_proxy_marshal_flags
>> 
>> Downgrading PyQt6-Qt6 to version 6.5.0 gets rid of this issue. Is there a 
>> way to get latest wheels working?

It appears to me that libQt6WaylandClient.so.6 was built against a version 
of libwayland that's newer than what's in Debian 11.  You're probably out 
of luck unless you can get Qt to build against an older libwayland.

Scott


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