You might want to use your project's root location in your Jamfiles. To
access it just declare a path constant in your Jamroot.jam file using:
path-constant TOP : . ;
After that, the TOP variable can be used in every Jamfile.
Copyright 2006, 2014 Vladimir
Prus. Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE_1_0.txt or copy at