--libexecdir=/opt/gnome2/sbin : This command puts libexec files in /opt/gnome2/sbin instead of /opt/gnome2/libexec. --sysconfdir=/etc/gnome : This command puts configuration files in /etc/gnome instead of /opt/gnome2/etc. This installation controls all future installations of schemas, changes in location, including eliminating this command must be consistent.