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