[CMake] Building both make and vcproj files.

[Josef Karthauser]

This may be common knowledge already, but I was wondering what the best
way to get cmake to build both unix make files and visual studio files
for the same project is.  I'd like to use makefiles for building my
project, but I still need vcproj files so that the developers can use
visual studio for writing and debugging the code.  The vcproj files
would be Make 
projects, shelling out to call the command line make.

Does anyone here already do something like this?

Joe