MENU_PKG_GAMES_XBOARD
  Here you'll find options for XBoard

ROCKCFG_PKG_XBOARD_XAW3D
  use Xaw3d instead of Xaw

ROCKCFG_PKG_XBOARD_XPM
  use libXpm if found

ROCKCFG_PKG_XBOARD_PTYS
  use of pseudo-ttys instead of pipes with child processes

ROCKCFG_PKG_XBOARD_ZIPPY
  enable features for interfacing a chess program to ICS

ROCKCFG_PKG_XBOARD_SIGINT
  sending SIGINT (^C) wakes up GNU Chess instead of typing a command
  wakes up GNU Chess
