Notes for Solaris:

    Used static libraries for G++.
    Add -fPIC to compiler line.
    Reorder libraries in libraries.mak files (one pass linking).
    Add space between "-o" and ".tmp.o".
    Add FILTER= for purify

Notes on xlC on AIX (IBM C++):

    No template specialization.
    No namespaces.
    No for scope.
    Destructor warnings.
    No template default arguments.
    Missing standard headers (e.g., <cstdio>, <cstddef>,...)
    No boolean type.