How to uninstall temp files generated for executable ?

Is there a scriptable way to locate and delete the
temp directory used to cache the perl distro for an executable
built with pp ?
I don't mean pp -C, as I do want to persist the cache as long
as the app is installed. But when the user uninstalls, it would
be nice to clean out all those temp files.

Does pp/PAR generate its temp directory name at build time,
or at install time ? Or maybe that needs to be added as
a command line switch so the user can supply a fixed
directory name ? Are there any identifiable crumbs
in the temp directory that can be used to identify
something as belonging to a specific pp generated application ?

TIA,
Dean Arnold
Presicient Corp.