[Click] Package dependencies in click

[Jens Mueller]

Hi Eddie,

> Well, only manual dependencies are supported.  Your Click configuration 
> scripts will need to require() all the relevant packages, and in the right 
> order, so that loading the packages from left to right results in no 
> undefined symbols.  However, I think Click loads them so that one package 
> can depend on an earlier-loaded package's symbols.  No circular 
> dependencies.  Let us know how it goes!

Our problem is that some packages need to know about header files of
other packages and we don't know how to include this into the Makefiles.

Bye,
Jens