False-positive perl "leftovers"

[Ade Lovett]

Hi folks,

This is with tinderbox-HEAD, though I'm assuming the problem exists  
with 2.x

I'm getting a number of false-positive "leftover" reports on port  
builds, of the form:

=== Checking filesystem state after all packages deleted
================================================================
list of files present on clean system but missing after everything  
was deinstalled)
./usr/bin/perl missing
./usr/bin/perl5 missing
================================================================

This seems to be happening randomly (at least, I haven't yet found  
any kind of pattern).

Example logfile can be found at:

http://tinderbox.lovett.com/logs/6-i386-autoconf261/ 
sccmilter-0.95.7_1.log

(this build is a relatively large one, ~900 ports, migrating from  
autoconf-2.5x -> 2.61).  Naturally, a lot (most?) of these ports have  
perl somewhere as a dependency, so I'm really confused as to why  
certain builds get tagged with this.

Ideas?

-aDe