[CMake] INCLUDE_DIRECTORIES in sub-directories doesn't work?

[THE HIGHHAT]

On Tue, Nov 25, 2008 at 4:10 PM, Sean Soria <sean.soria at gmail.com> wrote:
> That would add the included directories to every source in the
> project.  I want it included _only_ for the foo directory.

Not necessarily.  This would those headers files associated with main.c.  The