[enable loopback support]), [enable_loopback=${enableval}])
AM_CONDITIONAL(LOOPBACK, test "${enable_loopback}" = "yes")
+AC_ARG_ENABLE(ethernet, AC_HELP_STRING([--enable-ethernet],
+ [enable Ethernet support]), [enable_ethernet=${enableval}])
+AM_CONDITIONAL(ETHERNET, test "${enable_ethernet}" = "yes")
+
AC_ARG_ENABLE(wifi, AC_HELP_STRING([--enable-wifi],
[enable WiFi support]), [enable_wifi=${enableval}])
if (test "${enable_wifi}" = "yes"); then