message: Parallelize compilation on Windows
diff: @@ -47,6 +47,9 @@ if(MSVC)
  /D_CRT_SECURE_NO_WARNINGS
  /D_SCL_SECURE_NO_WARNINGS
  )
  + add_compile_options(
  + /MP # Enable multi-processor compilation
  + )
  endif()
  if(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
  