aps/system/cu/Kconfig:  CU term depends on TERMIOS and should select it.
menuconfig SYSTEM_CUTERM
tristate "CU minimal serial terminal"
default n
+ depends on ARCH_HAVE_SERIAL_TERMIOS
+ select SERIAL_TERMIOS
---help---
Enable the CU serial terminal. This is a minimalistic
implementation of the 'cu' terminal program (part of Taylor UUCP for
