Hi, I have CMake 2.8.5 and ITK 3.20.0 and if I select /Code as source and my own folder for out put, hit configure, I get CMake Error at Numerics/FEM/CMakeLists.txt:170 (itkCHECK_CXX_ACCEPTS_FLAGS): Unknown CMake command "itkCHECK_CXX_ACCEPTS_FLAGS" Should I remove this flag, ? or ? Thanks Rick