Hi, If I'm not mistaken, BackupPC port seems to be missing user and group creation rules from its PLIST file. Here's a quick fix for it.
Timo Index: Makefile =================================================================== RCS file: /cvs/ports/sysutils/backuppc/Makefile,v retrieving revision 1.8 diff -u -u -p -r1.8 Makefile --- Makefile 30 May 2014 13:14:08 -0000 1.8 +++ Makefile 3 Apr 2015 20:49:47 -0000 @@ -3,7 +3,7 @@ COMMENT = remote backup software system DISTNAME = BackupPC-3.3.0 -REVISION = 0 +REVISION = 1 PKGNAME = ${DISTNAME:L} CATEGORIES = sysutils Index: pkg/PLIST =================================================================== RCS file: /cvs/ports/sysutils/backuppc/pkg/PLIST,v retrieving revision 1.4 diff -u -u -p -r1.4 PLIST --- pkg/PLIST 30 May 2014 13:14:08 -0000 1.4 +++ pkg/PLIST 3 Apr 2015 20:49:47 -0000 @@ -1,4 +1,6 @@ @comment $OpenBSD: PLIST,v 1.4 2014/05/30 13:14:08 sthen Exp $ +@newgroup _backuppc:682 +@newuser _backuppc:682:682:daemon:BackupPC Daemon:/var/empty:/sbin/nologin bin/BackupPC bin/BackupPC_Admin bin/BackupPC_Admin.fcgi