Checking in the Tornado target tree as a whole is a good idea in my opinion. The biggest advantage is, that service packs and patches are propagated automatically to other team members and _even_more_important_ to the build machine. An other advantage is, that if you need to debug something in an old version, you have the correct header files and libraries.

查看VxWorks/Tornado II常见问题解答-1.12版本控制。