OpenGL linking problems

[André Bleau]

David Doria wrote: 
 
> Hi André, 
 
Hi David, 
 
> 
> I think I'm trying to build an X11 application - I'm trying to use a
> library called VTK (http://www.vtk.org/). I don't believe it uses
> glut, and I do see a bunch of X11 options in the CMake files. Even if
> there is no support for hardware acceleration with this method, it
> should still build, right? 
 
For X11, you need at least the following packages:libGL1, libGL-devel; 
and possibly libGLU1 and libGLU-devel. Ask questions at cygwin-xfree at cygwin dot com 
if you need help with these. 
 
You should link with /usr/lib/libGL.dll.a by using -lGL
 
> 
> I do have C:\Windows\System32\opengl32.dll .  
 
Expected; it comes with every version of Windows since Widows 98! 
 
> I should also have the
> w32api package because I installed all of the cygwin packages. 
 
That's no use for an X11 app. 
 
> 
> Any other thoughts of things that would causes these linking errors?
> 
> Thanks for your help so far,
> 
> David
 
- André Bleau, Cygwin's opengl package maintainer.
 
Please send any question or comment about the opengl package to cygwin at cygwin dot com,
not directly to me. 		 	   		  

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