[boost] is there a config macro which for has_enable_if?

Hi, Does anybody know of a config macro which comes close to saying "enable_if won't work" Thanks -Thorsten -- Thorsten Ottosen ---------------------------- www.dezide.com http://www.cs.aau.dk/index2.php?content=Research/mi www.boost.org www.open-std.org/JTC1/SC22/WG21/