id summary reporter owner description type status milestone component version severity resolution keywords cc 10694 "Apple Clang + NVCC - identifier ""__is_abstract"" is undefined" nilsgladitz@… John Maddock "While building with nvcc (NVIDIA CUDA compiler) and Clang on Mac OS X I get errors like these: /usr/local/include/boost/type_traits/is_abstract.hpp(72): error: identifier ""__is_abstract"" is undefined /usr/local/include/boost/type_traits/is_abstract.hpp(72): error: function call is not allowed in a constant expression /usr/local/include/boost/type_traits/is_abstract.hpp(72): error: type name is not allowed /usr/local/include/boost/type_traits/is_enum.hpp(180): error: identifier ""__is_enum"" is undefined /usr/local/include/boost/type_traits/is_enum.hpp(180): error: function call is not allowed in a constant expression /usr/local/include/boost/type_traits/is_enum.hpp(180): error: type name is not allowed " Bugs closed To Be Determined type_traits Boost 1.56.0 Problem fixed