783 

   784 #------------------------------------------------------------------------------

   785 # Redundancy (number of devices)

   786 #------------------------------------------------------------------------------

   787 

   788 AC_ARG_WITH([devices],

   789     AC_HELP_STRING(

   790         [--with-devices=<NUMBER>],

   791         [Number of Ethernet devices per master. Default: 1]

   792     ),

   793     [

   794         devices=[$withval]

   795     ],

   796     [

   797         devices=1

   798     ]

   799 )

   800 

   801 AC_MSG_CHECKING([for number of Ethernet devices])

   802 

   803 if test "${devices}" -lt 1; then

   804     AC_MSG_ERROR([Number must be greater zero!])

   805 else

   806     if test "${devices}" -gt 1; then

   807         AC_MSG_RESULT([$devices (Redundancy enabled)])

   808     else

   809         AC_MSG_RESULT([$devices (Redundancy disabled)])

   810     fi

   811 fi

   812 

   813 AC_DEFINE_UNQUOTED([EC_MAX_NUM_DEVICES], $devices,

   814     [Max. number of Ethernet devices per master])