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[Octave-bug-tracker] [bug #55735] QGLWidget not detected with Qt 4, so Q

From: anonymous
Subject: [Octave-bug-tracker] [bug #55735] QGLWidget not detected with Qt 4, so Qt graphics toolkit is not compiled
Date: Sun, 3 Mar 2019 18:52:01 -0500 (EST)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:61.0) Gecko/20100101 Firefox/61.0

Follow-up Comment #7, bug #55735 (project octave):

As the bug originator, the patch supplied by the contributor in comment #5
appears to work around the problem.  However, I agree with the feedback in
comment #6.  While it may be useful for those of us still compiling against
qt4, making OpenGL a required module goes against the current dependency
policy which treats it as optional.

In may case, configuring octave using

./configure CPPFLAGS="$(pkg-config --cflags QtCore QtGui QtHelp QtNetwork
QtOpenGL QtSql QtXml)"

works (this comes out of the suggestion in comment #3).  While a little messy
to type, it's quick, gets the job done and does not require any edits to the
source tree. I have adopted the above configure command approach myself and
don't intend to work on a patch.

Since there is a fairly straight forward workaround and (according to comment
#1) the Qt4 support is likely to be dropped very soon, I would be happy if
this bug were marked "wontfix".  Of course if someone were to work up a robust
patch I wouldn't oppose it.


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