if(NOT DEFINED MIN_VER_CMAKE) set(MIN_VER_CMAKE 3.5.1) endif() set(MIN_VER_CUDA 6.5) set(MIN_VER_CUDNN 7.5) set(MIN_VER_PYTHON2 2.7) set(MIN_VER_PYTHON3 3.2) set(MIN_VER_ZLIB 1.2.3)