Re: Patch request to qt 5.9.4

[Tatsuro MATSUOKA <tmacchant2@yahoo.co.jp>]

----- Original Message -----

> From: Mark Geisert 
> To: cygwin
> Cc: 
> Date: 2019/3/13, Wed 10:12
> Subject: Re: Patch request to qt 5.9.4
> 
>T atsuro MATSUOKA wrote:
>>  ----- Original Message -----
>> 
>>>  From: Tatsuro MATSUOKA
>>>  To: Mark Geisert  cygwin
>>>  Cc:
>>>  Date: 2019/3/12, Tue 17:25
>>>  Subject: Re: Patch request to qt 5.9.4
>>> 
>>>  ----- Original Message -----
>>> 
>>>>   From: Mark Geisert
>>>>   To: cygwin
>>>>   Cc:
>>>>   Date: 2019/3/12, Tue 17:04
>>>>   Subject: Re: Patch request to qt 5.9.4
>>>> 
>>>>   On Tue, 12 Mar 2019, Tatsuro MATSUOKA wrote:
>>>>   [...]
>>>>>>    From: Mark Geisert
>>>>>>    If it's not too much trouble, could you show what you 
> tell
>>>  gnuplot
>>>>   and how
>>>>>>    you
>>>>>>    set up the Qt environment?  Are you running gnuplot from 
> inside
>>>>   qterminal?
>>>>>> 
>>>>>>    ..mark
>>>>>    For qt graphics
>>>>>    gnuplot.exe uses driver process named gnuplot_qt.exe.
>>>>> 
>>>>>    gnuplot.exe tries connect with gnuplot_qt.exe
>>>>>    by
>>>>> 
>>>>> 
>>>>>    qt->socket.connectToServer(server);
>>>>> 
>>>>> 
>>>>>    in gnuplot.exe code but fails to connect with gnuplot_qt.exe.
>>>> 
>>>>   Yes, I understand that is happening at a low level.  What exactly 
> are you
>>>>   typing at your keyboard to make gnuplot produce the Qt graphics?  
> I would
>>>>   like to reproduce your issue on my system; what do I need to do?
>>>> 
>>>>   Please refer to the specific questions I was asking above.
>>>>   Thank you,
>>>> 
>>>>   ..mark
>>> 
>>>  Gnuplot distrubuted on Cyygwin does not link with Qt.
>>>  I am distrbuting develoment version of gnuplot with Qt (patched).
>>>  I have to prepare gnuplot binary without patch.
>>> 
>>>  I have my web site and I will prepare binaries without stripped debug
>>>  information
>>>  and upload on my web.
>>> 
>>>  I will do it tomorrow morning. (Before job.)
>>> 
>>>  Tatsuro
>> 
>>  I have prepared binaries:
>>  http://tmacchant3.starfree.jp/gnuplot/Eng/cyg_qt_test/ 
>> 
>>  test
>>  From gnplot prompt
>> 
>>  gnuplot> set terminal qt
>>  gnuplot> plot x
>> 
>>  Without Qt patch
>> 
>>  Could not connect to existing gnuplot_qt. Starting a new one.
>> 
>>  Warning: slow font initialization
>> 
>> 
>> 
>>  With Qt patchplot appears
> 
> Thank you very much, Tatsuro.  I have reproduced your issue and your fix.  I 
> will dig into the Cygwin internals and let you know what I find out.
> 
> H/T to Achim for his comments and offer of help.
> 
> ..mark
One note: for gnuplot.exe and gnuplot_qt.exe, debug symbols are not stripped and 
you can trace gdb but I did not know debug info for Qt.

Tatsuro


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