Dale wrote :

While I build the Perl software I'm experiencing an issue that involves setrgid and setruid not being implemented.

A quick test program using setruid(3) seems to work as expected. Interestingly, from the man page COMPATIBILITY The use of these calls is not portable. Their use is discouraged; they will be removed in the future. HISTORY The setruid() and setrgid() syscalls appeared in 4.2BSD and were dropped in 4.4BSD. % uname -sr Darwin 8.3.0 S a m