The version check in the existing Borland workaround has not been kept up to date - see patch below: cvs diff -w boost\detail\call_traits.hpp (in directory D:\Projects\boost) Index: boost/detail/call_traits.hpp =================================================================== RCS file: /cvsroot/boost/boost/boost/detail/call_traits.hpp,v retrieving revision 1.13 diff -w -r1.13 call_traits.hpp 94c94 < #if defined(__BORLANDC__) && (__BORLANDC__ <= 0x560) ---

#if BOOST_WORKAROUND( __BORLANDC__, BOOST_TESTED_AT( 0x564 ) )

-- AlisdairM