#define LOG_PREFIX "modbus"
+SR_PRIV extern const struct sr_modbus_dev_inst modbus_serial_rtu_dev;
+
static const struct sr_modbus_dev_inst *modbus_devs[] = {
+#ifdef HAVE_LIBSERIALPORT
+ &modbus_serial_rtu_dev, /* must be last as it matches any resource */
+#endif
};
static struct sr_dev_inst *sr_modbus_scan_resource(const char *resource,