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[Suhail Tandel <1735804@xxxxxxxxxxxxxxxxxx>]

I am compiling trunk-2018.02b and getting the same error as James. I can
compile by uncommenting the  line

virtual void updateGL(void)

in trunk-2018.02b/gui/qt5/GLViewer.hpp but yade does not start and produces the following error as Janek explained.
--------------------------------
Welcome to Yade 2018.02b 
Traceback (most recent call last):
  File "...../myyade/install/bin/yade", line 129, in <module>
    import yade
  File "....../myyade/install/lib64/yade-2018.02b/py/yade/__init__.py", line 65, in <module>
    import boot
ImportError: /home/subbiah/myyade/install/lib64/yade-2018.02b/py/yade/qt/_GLViewer.so: undefined symbol: _ZN8GLViewer8updateGLEv
--------------------------------


Has there been any update on this issue.

Details
Scientific Linux release 6.7 (Carbon)
gcc 4.8.1
qt5 5.10.1
libQGLViewer 2.7.1

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https://bugs.launchpad.net/bugs/1735804

Title:
  QGLViewer updateGL() function error

Status in Yade:
  Incomplete

Bug description:
  Background Details:
  CentOS 7.4
  Compiled from source
  All features installed and enabled (except for python GTS...could not find that one)

  Issue:
  When attempting to build Yade, this error occurs:

  trunk-2017.01a/gui/qt5/GLViewer.cpp:298:11: error: ‘updateGL’ was not declared in this scope
    updateGL();

  The way I solved this was by uncommenting line 64 in:

  trunk-2017.01a/gui/qt5/GLViewer.hpp

  so that "virtual void updateGL(void);" would be visible. I am not sure
  if that was originally commented out for debugging or deprecation, but
  it inhibited the program from compiling. If the comments were
  intentional, how would I fix the error otherwise?

  Thanks,
     James

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