|| BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x610)) \
|| BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x840)) \
|| BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3202)) \
- || BOOST_WORKAROUND(BOOST_INTEL_CXX_VERSION, BOOST_TESTED_AT(810)) )
+ || BOOST_WORKAROUND(BOOST_INTEL_CXX_VERSION, BOOST_TESTED_AT(810)) )\
+ || defined(BOOST_MPL_CFG_NO_ADL_BARRIER_NAMESPACE)
namespace boost{