[CMake] copying the contents of a directory with cpack

[Bill Hoffman]

Niall Dalton wrote:
> Hi,
>
> I have a custom target that creates doxygen documentation from my C 
> header files. I'd like, as part of my cpack configuration in my main 
> CMakeLists.txt, to copy the directory containing the doxygen output 
> into the .tar.gz package.
>
> What is the simplest way to do this?
Basically, cpack just uses whatever make install does.  So, you would 
need to use the install commands in cmake.  Once those are working cpack 
should work.

-Bill