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Re: Patch request to qt 5.9.4

Tatsuro MATSUOKA wrote:
----- Original Message -----

From: Tatsuro MATSUOKA
To: Mark Geisert  cygwin
Date: 2019/3/12, Tue 17:25
Subject: Re: Patch request to qt 5.9.4

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

 From: Mark Geisert
 To: cygwin
 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
 and how
  set up the Qt environment?  Are you running gnuplot from inside

  For qt graphics
  gnuplot.exe uses driver process named gnuplot_qt.exe.

  gnuplot.exe tries connect with gnuplot_qt.exe


  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,


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
and upload on my web.

I will do it tomorrow morning. (Before job.)


I have prepared binaries:

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.


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