[vtkusers] Building VTK 6.3.0 with X11 on Mac El Capitan

[David Gobbi]

Here's a little hint:

In Rendering/OpenGL/CMakeLists.txt find the section labeled "#
Configuration for vtkOpenGLExtensionManager" change this:

elseif(APPLE)
  set(VTK_USE_APPLE_LOADER 1)
  set(VTK_USE_CORE_GRAPHICS 1)

to this:

elseif(APPLE AND NOT VTK_USE_X)
  set(VTK_USE_APPLE_LOADER 1)
  set(VTK_USE_CORE_GRAPHICS 1)

I don't know if that will work, because I haven't tested it, but it should
move you in the right direction.

 - David


On Wed, Aug 24, 2016 at 9:39 AM, David Gobbi <david.gobbi at gmail.com> wrote:

> On Wed, Aug 24, 2016 at 9:23 AM, James Overly <joverly at cfa.harvard.edu>
> wrote:
>
>> It looks a little better but now I'm seeing:
>>
>
> These CGL calls are invalid for X11 OpenGL.  You'll have to modify your
> copy of VTK so that it checks OpenGL capabilities on Mac the same was as it
> usually does for Linux.
>
> Let me know if you need any more information.
>>
>
> You're going to be pretty much on your own, about all I can say now is
> "good luck".
>
>  - David
>
>
> On Wed, 2016-08-24 at 10:03 -0400, James Overly wrote:
>> > Thanks! I'm giving that a try.
>> >
>> > Jim
>> >
>> > On Tue, 2016-08-23 at 17:52 -0600, David Gobbi wrote:
>> > > Hi James,
>> > >
>> > >
>> > > Assuming that you have installed xquartz and that you have all the X11
>> > > headers and libraries in /opt/X11, you have to tell cmake to use the
>> > > OpenGL that comes with X11:
>> > >
>> > >
>> > > OPENGL_INCLUDE_DIR:PATH=/opt/X11/include
>> > > OPENGL_gl_LIBRARY:FILEPATH=/opt/X11/lib/libGL.dylib
>> > > OPENGL_glu_LIBRARY:FILEPATH=/opt/X11/lib/libGLU.dylib
>> > >
>> > >
>> > > Otherwise VTK will link to the framework OpenGL, which doesn't include
>> > > glx.
>> > >
>> > >
>> > > Even with the above, there are no guarantees that VTK will work with
>> > > X11 on OS X.  But it should at least get you past the link errors.
>> > >
>> > >
>> > >  - David
>> > >
>> > >
>> > > On Tue, Aug 23, 2016 at 5:03 PM, David E DeMarle
>> > > <dave.demarle at kitware.com> wrote:
>> > >
>> > >         On Tue, Aug 23, 2016 at 6:17 PM, James Overly
>> > >         <joverly at cfa.harvard.edu> wrote:
>> > >                 -DVTK_USE_X:BOOL=ON \
>> > >                 -DVTK_USE_CARBON:BOOL=OFF \
>> > >
>> > >                 -DVTK_USE_COCOA:BOOL=OFF \
>> > >
>> > >
>> > >         Why not Cocoa? VTK over X11 is strongly discouraged on Mac.
>> > >
>> > >         David E DeMarle
>> > >         Kitware, Inc.
>> > >         R&D Engineer
>> > >         21 Corporate Drive
>> > >         Clifton Park, NY 12065-8662
>> > >         Phone: 518-881-4909
>> > >
>> > >
>> >
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