t/common: Link with Libusb1

src/xrt/targets/CMakeLists.txt

@@ -10,6 +10,10 @@
 set(DRIVER_OBJECTS)
 set(DRIVER_LIBRARIES)
 
+if(BUILD_WITH_LIBUSB)
+	list(APPEND DRIVER_LIBRARIES ${LIBUSB1_LIBRARIES})
+endif()
+
 if(BUILD_DRIVER_HDK)
 	set(XRT_BUILD_HDK TRUE)
 	list(APPEND DRIVER_OBJECTS $<TARGET_OBJECTS:drv_hdk>)