message: Only build patch dll when targeting windows
diff: # Client_I0 should be compiled separately, since it has to be 32bit
  # add_subdirectory(Client_I0)
  +if(WIN32)
  if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "4")
  add_subdirectory(Client_I0)
  else()
  MESSAGE("Client_I0 should be compiled separately, since it has to be 32bit, and Your build is 64bit")
  endif()
  +endif()
  