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	Fri, 12 Dec 2025 04:42:00 -0800 (PST)
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Date:	Fri, 12 Dec 2025 13:41:57 +0100
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Subject:	Re: Updated: qt5-base 5.15.18-1 (test)
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From:	Marco Atzeri via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
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On 12/12/2025 10:21, Mark Geisert via Cygwin wrote:
> Hi Marco,
> 
> On 12/11/2025 6:27 AM, Marco Atzeri via Cygwin wrote:
>> On 06/12/2025 05:54, Mark Geisert wrote:
>>> The following packages have been uploaded to the Cygwin distribution:
>>>
>>> * libQt5Core5-5.15.18-1
>>> * libQt5Core-devel-5.15.18-1
>>> * libQt5Sql5-5.15.18-1
>>> * libQt5Sql-devel-5.15.18-1
>>> * libQt5Gui5-5.15.18-1
>>> * libQt5Gui-devel-5.15.18-1
>>> * qt5-base-doc-5.15.18-1
>>> * qt5-base-examples-5.15.18-1
> [...]
>> unfortunately both doxywizard and octave need something more
>> and mixed versions seem to not work.
>>
>> ---------------------------------------
>> $ doxywizard
>> QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime- 
>> Marco'
>>
>> ** (doxywizard:2906): WARNING **: 15:23:21.164: Error retrieving 
>> accessibility bus address: org.freedesktop.DBus.Error.NoReply: Message 
>> recipient disconnected from message bus without replying
>> Cannot mix incompatible Qt library (5.9.4) with this library (5.15.18)
>> Aborted
> 
> Not the most helpful error message there, is it.  Running doxywizard 
> under gdb seems to indicate the problem may be with cygqxcb.dll.  There 
> seems to be a larger issue here: somehow the 5.15.18 DLLs are not 
> present in /usr/bin after installing those released packages.  The debug 
> version of them are installed into /usr/lib/debug/usr/bin but the 
> stripped non-debug version are missing.  I will investigate further.
> 
> After the 5.15.18 DLLs get installed properly I can look into the 
> version incompatibility problem.

I do not see the problem here, they seems in the right place

$ cygcheck -l libQt5Gui5
/usr/bin/cygQt5Gui-5.dll
/usr/bin/cygQt5OpenGL-5.dll
/usr/bin/cygQt5PrintSupport-5.dll
/usr/bin/cygQt5Widgets-5.dll
/usr/bin/cygQt5XcbQpa-5.dll
/usr/lib/qt5/plugins/generic/cygqtuiotouchplugin.dll
/usr/lib/qt5/plugins/imageformats/cygqgif.dll
/usr/lib/qt5/plugins/imageformats/cygqico.dll
/usr/lib/qt5/plugins/imageformats/cygqjpeg.dll
/usr/lib/qt5/plugins/platforminputcontexts/cygcomposeplatforminputcontextplugin.dll
/usr/lib/qt5/plugins/platforminputcontexts/cygibusplatforminputcontextplugin.dll
/usr/lib/qt5/plugins/platforms/cygqminimal.dll
/usr/lib/qt5/plugins/platforms/cygqoffscreen.dll
/usr/lib/qt5/plugins/platforms/cygqvnc.dll
/usr/lib/qt5/plugins/platforms/cygqxcb.dll
/usr/lib/qt5/plugins/platformthemes/cygqgtk3.dll
/usr/lib/qt5/plugins/platformthemes/cygqxdgdesktopportal.dll
/usr/lib/qt5/plugins/xcbglintegrations/cygqxcb-glx-integration.dll



> Can you give an example of octave's issue?  Wondering if it's the same 
> thing or something else.
> Thanks for the report!

It looks similar

$ octave --gui
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-Marco'

** (octave-gui:51714): WARNING **: 12:55:52.083: Error retrieving 
accessibility bus address: org.freedesktop.DBus.Error.NoReply: Message 
recipient disconnected from message bus without replying
octave exited with signal 11

the strace from

    strace -o octave.strace /usr/bin/octave-10.3.0.exe --gui

is available at

    http://matzeri.altervista.org/works/octave/octave.strace.xz

Regards
Marco


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