[Insight-users] SNAP: Mac OS X and : GL/glu.h ==> OpenGL/glu.h problem.

[Luis Ibanez]

Hi Vincent, Brock,

Thanks for the comments.

It turned out that most of the files listed in my previous
email already have the conditional code for the Mac.

SNAP has a helper file SNAPOpenGL.h that factorizes the
inclusion of OpenGL headers. However, not all SNAP files
were using it.

Changes were needed in

    SNAP/UserInterface/SliceWindow/OpenGLSliceTexture.h
    SNAP/UserInterface/Window3D/Window3D.cxx



Brock:

    This changes have been committed to the CVS HEAD.

    If you have a chance, could you please give it a
    try and let us know if you find any problem ?



   Thanks



       Luis


---------------------------
Vincent A. Magnotta wrote:
> Luis,
> 
> You actually want to do something like the following to correct the GL
> issues under Mac OS X.
> 
> #ifdef __APPLE__
> #include <OpenGL/glu.h>
> #else
> #include <GL/glu.h>
> #endif
> 
> 
> Vince
> 
> 
> On Wed, 2006-12-20 at 09:14 -0500, Luis Ibanez wrote:
> 
>>Hi Brock,
>>
>>Thanks for reporting this problem.
>>
>>We entered this issue as Bug # 4235
>>http://public.kitware.com/Bug/bug.php?op=show&bugid=4235&pos=0
>>
>>
>>I'm trying to figure out what lines must be changed.
>>
>>When grepping for "glu" in SNAP, here is what I get:
>>
>>$ grep -r glu * | grep include
>>Common/SNAPOpenGL.h:  #include <GL/glu.h>
>>Common/SNAPOpenGL.h:  #include <GL/glu.h>
>>UserInterface/SliceWindow/OpenGLSliceTexture.h:#include <GL/glu.h>
>>UserInterface/Window3D/Window3D.cxx:#include <FL/glut.H>
>>
>>
>>The use of "GL" versus "OpenGL" seems to be inconsistent
>>in other places of the toolkit.
>>
>>Here is what I get when grepping from the top directory of
>>InsightApplications:
>>
>>ibanez at DARWINIA ~/src/InsightApplications
>>$ grep -r glu * | grep include
>>Auxiliary/FltkImageViewer/fltkClippingPlane3DDrawer.cxx:#include 
>><OpenGL/glu.h>
>>Auxiliary/FltkImageViewer/fltkClippingPlane3DDrawer.cxx:#include <GL/glu.h>
>>Auxiliary/FltkImageViewer/fltkGlWindowInteractive.cxx:#include 
>><OpenGL/glu.h>
>>Auxiliary/FltkImageViewer/fltkGlWindowInteractive.cxx:#include <GL/glu.h>
>>Auxiliary/FltkImageViewer/fltkImage2DViewerWindow.cxx:#include 
>><OpenGL/glu.h>
>>Auxiliary/FltkImageViewer/fltkImage2DViewerWindow.cxx:#include <GL/glu.h>
>>Auxiliary/FltkImageViewer/fltkRGBImage2DViewerWindow.cxx:#include 
>><OpenGL/glu.h>
>>Auxiliary/FltkImageViewer/fltkRGBImage2DViewerWindow.cxx:#include <GL/glu.h>
>>Auxiliary/FltkImageViewer/fltkSlice2DDrawer.txx:#include <OpenGL/glu.h>
>>Auxiliary/FltkImageViewer/fltkSlice2DDrawer.txx:#include <GL/glu.h>
>>Auxiliary/FltkImageViewer/fltkSlice3DDrawer.txx:#include <OpenGL/glu.h>
>>Auxiliary/FltkImageViewer/fltkSlice3DDrawer.txx:#include <GL/glu.h>
>>Auxiliary/FltkImageViewer/fltkSphere3D.h:#include <OpenGL/glu.h>
>>Auxiliary/FltkImageViewer/fltkSphere3D.h:#include <GL/glu.h>
>>DeformableRegistration3DTimeSeries/TransferFunctionEditor.h:#include 
>><GL/glu.h>
>>GPDM3DTest/My3DView.h:#  include <GL/glu.h>
>>SNAP/Common/SNAPOpenGL.h:  #include <GL/glu.h>
>>SNAP/Common/SNAPOpenGL.h:  #include <GL/glu.h>
>>SNAP/UserInterface/SliceWindow/OpenGLSliceTexture.h:#include <GL/glu.h>
>>SNAP/UserInterface/Window3D/Window3D.cxx:#include <FL/glut.H>
>>
>>
>>It seems that we should replace all occurrences of
>>
>>       "GL/glu.h"
>>
>>with
>>
>>       "OpenGL/glu.h"
>>
>>
>>Is that what you suggest as the fix ?
>>
>>
>>    Please let us know,
>>
>>
>>
>>      Thanks
>>
>>
>>         Luis
>>
>>
>>--------------------------------
>>Brock Tice wrote:
>>
>>>Hi Luis,
>>>  I was trying to build InsightApplications today, and before the 
>>>problem referenced in the subject (which I fixed via your suggestions on 
>>>the mailing list), I ran into the problem that a few of the header files 
>>>in SNAP don't use OpenGL/glu.h on OS X, but rather use GL/glu.h.  I 
>>>switched them to OpenGL/glu.h to make it work.  This can of course be 
>>>done at compile time by checking for __APPLE__ as is done in *some* of 
>>>the .h files.  I checked out the bug tracking on the ITK site and 
>>>couldn't find a simple way to submit this, so since I saw your email on 
>>>a closely related issue, I thought I'd contact you.
>>>
>>>Thanks,
>>>  --Brock
>>>--~--~--~--~--~--~--~--~--~--~--~--~
>>>Brock M. Tice
>>>
>>>blog - http://virtuallyshocking.com
>>>contact info - http://brocktice.com
>>>--~--~--~--~--~--~--~--~--~--~--~--~
>>>
>>>I believe that it is better to tell the truth than to lie. 
>>>I believe that it is better to be free than to be a slave. 
>>>And I believe that it is better to know than to be ignorant.
>>>(H. L. Mencken)
>>>
>>>
>>
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