serverbsd# cd /usr/ports/www/squid31
serverbsd# make && make install && make clean
===>  Installing for squid-3.1.12
===>   squid-3.1.12 depends on file: /usr/local/bin/perl5.10.1 - found
===>   Generating temporary packing list
===>  Checking if www/squid31 already installed
===> Pre-installation configuration for squid-3.1.12
I will use the existing group 'squid':
squid:*:100:
There is no account 'squid' on this system, so I will try to create it (using user id 100):
Failed to create user 'squid'!
Please create it manually.
*** Error code 1

Stop in /usr/ports/www/squid31.
*** Error code 1

Stop in /usr/ports/www/squid31.