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[Octave-bug-tracker] [bug #48669] Segfaults at exit after using OpenGL-b


From: Dan Sebald
Subject: [Octave-bug-tracker] [bug #48669] Segfaults at exit after using OpenGL-based toolkits in --no-gui mode
Date: Tue, 2 Aug 2016 07:06:31 +0000 (UTC)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:42.0) Gecko/20100101 Firefox/42.0

Follow-up Comment #7, bug #48669 (project octave):

I haven't tried it yet.  I was just following FLTK crash.  It fails at this
line of __init_fltk__.cc:


    canvas = new OpenGL_fltk (0, menu_h, ww, hh, number ());


so it is most likely the call to the base-class constructor:


  OpenGL_fltk (int xx, int yy, int ww, int hh, double num)
    : Fl_Gl_Window (xx, yy, ww, hh, 0), number (num), renderer (),
      in_zoom (false), zoom_box ()


i.e., Fl_Gl_Window() is crashing.  I don't see anything special about setting
up OpenGL prior to calling this routine in the FLTK documentation.  Is there
any other OpenGL-related code called prior to this?

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Reply to this item at:

  <http://savannah.gnu.org/bugs/?48669>

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