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Message-ID: <da6098df-f613-41b9-870a-c49afefa8e6f@dronecode.org.uk>
Date: Mon, 29 Dec 2025 13:21:19 +0000
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Subject: Re: Updated: qt5-base 5.15.18-1 (test)
To: Mark Geisert <mark@maxrnd.com>
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From: Jon Turney via Cygwin <cygwin@cygwin.com>
Reply-To: Jon Turney <jon.turney@dronecode.org.uk>
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On 29/12/2025 09:56, Mark Geisert via Cygwin wrote:
> Replying to myself once again...
> 
> On 12/14/2025 4:41 PM, 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
>> [...]
>>> Thanks Mark,
>>>
>>> unfortunately both doxywizard and octave need something more
>>> and mixed versions seem to not work.
> [...]
>>
>> It turns out both doxywizard and oxygen are dependent on a 5.15.18 
>                                     ^^^^^^
>                                     octave, oops
>> libQt5Svg.dll.  It's a secondary reference.  I'm working on a build 
>> for that and whatever tertiary references that uncovers.  Might take 
>> time.
> 
> I've tested both programs with my own 5.15.18-1 libQt5Svg-5.dll 
> successfully.  There was a hiccup in that both provoke a SIGSEGV in an 
> internal Qt5 memory fill function that uses avx2 cpu instructions.  When 
> I rebuilt qt5-base with flags to turn that usage off, the resulting 
> 5.15.18-2 qt5-base DLLs allow both programs to launch to idle state.
> 
> The qt5-base DLLs have been updated to -2 and uploaded, still as test 
> versions.  The qt5-svg DLL upload (also is a test version) is awaiting a 
> permission change when jturney has a chance.

Done.

Sorry, but I think this is a mandatory gold star!

Thanks!


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