dnl
dnl Autoconf support for external decision plane
dnl

AC_DEFUN(AC_CONFIG_EXTERNAL_DP, [
    ac_edp='yes'
    AC_ARG_ENABLE(edp,
        AC_HELP_STRING([--disable-edp],
    		   	[disable external decision plane support]),
        ac_edp=$enableval) 
    dnl
    dnl First make sure we even want it
    dnl
    if test "$ac_edp" = no; then
        EXTERNAL_DP_ENABLED=0
    else
        if test ! "$XERCES_C_ENABLED" = 1 ; then
	    AC_MSG_ERROR([external decision plane support requires xerces... install it or configure --disable-edp])
        fi
        EXTERNAL_DP_ENABLED=1
        AC_DEFINE_UNQUOTED(EXTERNAL_DP_ENABLED, 1, [whether external decision plane support is enabled])
    fi # EXTERNAL_DP_ENABLED
])