CXXD_ENABLE_SHARED_FROM_THIS_USE_BOOST — Override macro for Boost enable_shared_from_this implementation.
// In header: <boost/cxx_dual/impl/enable_shared_from_this.hpp> CXXD_ENABLE_SHARED_FROM_THIS_USE_BOOST
The object-like macro, when defined to nothing prior to including this header file, forces the dual library choice of the Boost enable_shared_from_this implementation.
