[vtkusers] Build documentation only?

[Mathieu Malaterre]

Matt Valerio wrote:
> Hello,
> 
> I would like to build only the doxygen documentation using the latest 
> CVS sources, but because the computer I am using does not have OpenGL 
> (it's a slow Debian box), I cannot get ccmake/cmake to generate the 
> Makefile for the /Utilities/Doxygen/ directory.
> ------------------------------------------------------------
> user at host:~/VTK$ cmake .
> -- Check for working C compiler: gcc -- works
> -- Check for working CXX compiler: c++ -- works
> -- Using Buildname: Linux-c++
> CMake Error: This project requires some variables to be set,
> and cmake can not find them.
> Please set the following variables:
> OPENGL_INCLUDE_DIR (ADVANCED)
> OPENGL_gl_LIBRARY (ADVANCED)
> 
> -- Configuring done
> ------------------------------------------------------------
> 
> Any ideas?  Is there a way to use cmake to generate Makefiles for only a 
> specific directory?  I apologize if this is a newbie question, I am 
> relatively new to CMake and VTK.

Just put some random values there:

for ex : /tmp/foo

HTH
Mathieu