SR_PRIV extern const struct sr_scpi_dev_inst scpi_tcp_raw_dev;
SR_PRIV extern const struct sr_scpi_dev_inst scpi_tcp_rigol_dev;
SR_PRIV extern const struct sr_scpi_dev_inst scpi_usbtmc_dev;
+SR_PRIV extern const struct sr_scpi_dev_inst scpi_usbtmc_libusb_dev;
SR_PRIV extern const struct sr_scpi_dev_inst scpi_vxi_dev;
SR_PRIV extern const struct sr_scpi_dev_inst scpi_visa_dev;
&scpi_tcp_raw_dev,
&scpi_tcp_rigol_dev,
&scpi_usbtmc_dev,
+#ifdef HAVE_LIBUSB_1_0
+ &scpi_usbtmc_libusb_dev,
+#endif
#if HAVE_RPC
&scpi_vxi_dev,
#endif