diff -ruN a/channels/urbdrc/client/libusb/libusb_udevman.c b/channels/urbdrc/client/libusb/libusb_udevman.c
--- a/channels/urbdrc/client/libusb/libusb_udevman.c	2020-04-10 23:49:22.930723339 +0200
+++ b/channels/urbdrc/client/libusb/libusb_udevman.c	2020-04-10 23:49:12.750408520 +0200
@@ -879,6 +879,7 @@
 	if (rc != LIBUSB_SUCCESS)
 		goto fail;
 
+#ifdef _WIN32
 #if LIBUSB_API_VERSION >= 0x01000106
 	/* Prefer usbDK backend on windows. Not uspported on other platforms. */
 	rc = libusb_set_option(udevman->context, LIBUSB_OPTION_USE_USBDK);
@@ -895,6 +896,7 @@
 			goto fail;
 	}
 #endif
+#endif
 
 	udevman->flags = UDEVMAN_FLAG_ADD_BY_VID_PID;
 	udevman->devman_loading = CreateMutexA(NULL, FALSE, "devman_loading");