if(UNIX)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
else()
  add_definitions(-D_WIN32_WINNT=0x601)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHc")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /bigobj")
endif()