[CMake] copying the contents of a directory with cpack

[Bill Hoffman]

Olivier Delannoy wrote:
> How could I define a custom target of name install_doxygen which is
> going to use INSTALL ? I haven't seen any way to do partial
> installation so far. I am missing something ?
>
> I have a doxygen target and I would like to be able to add the output
> of doxygen to the install target. But I don't want to create the
> doxygen documentation each time I execute the install target.  So I am
> wondering how I could create a set of file that is installed only if
> previously generated.
>
> I hope you will understand what I mean
>
>   
My suggestion would be to have the doxygen stuff install each time you 
run the install target.
You could have a CMake variable that turns this on and off, and only 
turn it on when you want
to cpack.

-Bill