Workarounds for old compiler are still necessary, simple update of version check should suffice: cvs diff -u -wb -- boost\numeric\conversion\cast.hpp (in directory E:\sourceforge\devel\boost\) Index: boost/numeric/conversion/cast.hpp =================================================================== RCS file: /cvsroot/boost/boost/boost/numeric/conversion/cast.hpp,v retrieving revision 1.8 diff -u -w -b -r1.8 cast.hpp --- boost/numeric/conversion/cast.hpp 27 Jun 2005 15:05:12 -0000 1.8 +++ boost/numeric/conversion/cast.hpp 19 Feb 2006 12:19:22 -0000 @@ -22,7 +22,7 @@ #include <boost/detail/workaround.hpp> -#if BOOST_WORKAROUND(BOOST_MSVC, < 1300) || BOOST_WORKAROUND(__BORLANDC__, == 0x564) +#if BOOST_WORKAROUND(BOOST_MSVC, < 1300) || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x581)) # include<boost/numeric/conversion/detail/old_numeric_cast.hpp> OK to commit? -- AlisdairM