Just thought of a way to make our build process faster. We could use ClearCase's clearaudit utility with Ant.
If we run Ant in clearaudit then all of the files that Ant creates during a build would be remembered. We could have the Ant script check out the derived objects that ClearCase knows about via lsdo, and then have the script use winkin to get the correct versions of the .class files from the repository. After winkins are all done up, then we could relaunch with auditing turned on, and then do the build on the necessary files.

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