Boost C++ Libraries of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for an old version of boost. Click here for the latest Boost documentation.
Global Variables

To export global variables, use the Var construct:

    Var("myglobal", "foo.h")

Beware of non-const global variables: changes in Python won't reflect in C++! If you really must change them in Python, you will have to write some accessor functions, and export those.