Base ClearCase offers unique support for sharing derived objects: the promotion and winkin functionality of dynamic views. They rely upon build auditing, within clearmake (and clearaudit), i.e. upon automated dependency management.
To many, this is the real jewel part in ClearCase, what makes the product unique.
It is however easy to undermine. Getting it to work seamlessly requires paying attention to detail, as well as collaboration from various actors. The reward makes it worthwhile, especially the social reward of truly collaborating on shared control.