--libexecdir=/opt/gnome2/sbin : This command puts libexec files in /opt/gnome2/sbin instead of /opt/gnome2/libexec. --localstatedir=/var/lib : This command puts scrollkeeper files in /var/lib/scrollkeeper instead of /opt/gnome2/var/scrollkeeper. --sysconfdir=/etc/gnome : This command puts configuration files in /etc/gnome instead of /opt/gnome2/etc.