message: Relax the warning level for MSVC
diff: @@ -47,7 +47,7 @@ set(CMAKE_CXX_EXTENSIONS off)
  # Set global warnings settings
  if(MSVC)
  - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Wall")
  + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W3")
  else()
  set(CMAKE_CXX_FLAGS, "${CMAKE_CXX_FLAGS} -Wextra -Wpedantic")
  endif()
  