AC_ARG_ENABLE(vehicle-file, [ --disable-vehicle-file disable vehicle type file], vehicle_file=$enableval;vehicle_file_reason="configure parameter")
AM_CONDITIONAL(VEHICLE_FILE, test "x${vehicle_file}" = "xyes")
# gpsd
+AC_ARG_ENABLE(vehicle-gpsd, [ --disable-vehicle-gpsd disable vehicle type gpsd], vehicle_gpsd=$enableval;vehicle_gpsd_reason="configure parameter")
if test "x${vehicle_gpsd}" = xyes
then
AC_CHECK_HEADER(gps.h, AC_DEFINE([HAVE_LIBGPS],[],Define to 1 if you have the <gps.h> header file.) GPSD_LIBS="-lgps", vehicle_gpsd=no; vehicle_gpsd_reason="no gps.h" )