[Paraview] Compiling without X11 libraries

[pat marion]

There is also this in VTK/Rendering/CMakeLists.txt:

    IF (VTK_USE_X AND OPENGL_gl_LIBRARY)
      SET(KitOpenGL_SRCS ${KitOpenGL_SRCS} vtkXOpenGLRenderWindow.cxx)
      SET (KIT_LIBS ${KIT_LIBS} ${OPENGL_gl_LIBRARY} )
    ELSE (VTK_USE_X AND OPENGL_gl_LIBRARY)
      IF (VTK_OPENGL_HAS_OSMESA  AND  OSMESA_LIBRARY)
        SET(KitOpenGL_SRCS ${KitOpenGL_SRCS} vtkOSOpenGLRenderWindow.cxx)
        SET (KIT_LIBS ${KIT_LIBS} ${OSMESA_LIBRARY} )
      ENDIF (VTK_OPENGL_HAS_OSMESA  AND  OSMESA_LIBRARY)
    ENDIF (VTK_USE_X AND OPENGL_gl_LIBRARY)

Pat

On Thu, Feb 25, 2010 at 10:25 AM, pat marion <pat.marion at kitware.com> wrote:

> Hi John,
>
> Search for VTK_USE_OSMESA in VTK/Rendering/vtkGraphicsFactory.cxx.  Then
> look at $build_dir/VTK/vtkToolkits.h to see what is required for
> VTK_USE_OSMESA to be defined.
>
> Pat
>
>
> On Thu, Feb 25, 2010 at 10:14 AM, Biddiscombe, John A. <biddisco at cscs.ch>wrote:
>
>>  Pat
>>
>>
>>
>> I don’t quite understand that bit below. In what way does cmake care what
>> openGL is being used? I have in the past simply created a symlink libGL
>> which points to libOSMesa – this got rid of glx issues when I was
>> experimenting – but what does CMake ‘do’ that is causing a problem? (I mean
>> how does CMake checking for real GL instead of OSMesa affect anything?)
>>
>>
>>
>> JB
>>
>>
>>
>> Unfortunately you can't just set libOSMesa.so in place of libGL.so
>> (setting OPENGL_gl_LIBRARY in cmake) because cmake uses the
>> OPENGL_gl_LIBRARY variable to check for the existance of real opengl versus
>> osmesa.  So that's why I said to set OPENGL_gl_LIBRARY to the empty string.
>>
>
>
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