[vtkusers] "GLX" missing?

Tom G. Smith (Smitty) smitty at kcc.com
Fri Oct 18 16:15:33 EDT 2002

Hello vtkusers at public.kitware.com,

I had to tell cmake not to do Java Wrappers to avoid a syntax error on
a compiler, but I've succeeded in getting cmake -i, followed by make,
to complete for VTK 4.0 without errors on a RedHat 7.3 Linux host.
But when I do -

  export TCLLIBPATH=/contrib/vtk/VTK/Wrapping/Tcl
  vtk /contrib/vtk/VTK/Examples/Modelling/Tcl/hello.tcl

I get this result:

  Xlib:  extension "GLX" missing on display "uswew004:10.0".
  ...the above repeated...
  ERROR: In /contrib/vtk/VTK/Rendering/vtkXOpenGLRenderWindow.cxx, line 195
  vtkXOpenGLRenderWindow (0x9005ae8): Could not find a decent visual
  Segmentation fault

>From the same host, I can do this to another host with VTK 3.2 installed,
and it works fine:

  ssh oldhost "(cd /contrib/vtk/vtk3.2/graphics/examplesTcl; vtk hello.tcl)"

Here's what I did to compile, after installing cmake:

  tar xzf vtk40Src.tar.gz
  chown -R root:root VTK
  cd VTK
  tar xzf ../vtk40Data.tar.gz
  cmake -i # Skipped Java Wrappers.

I did not install Mesa beforehand, because there are some conflicts with
the openGL rpm, already installed.

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