pkg_check_modules(LIBUSB1 REQUIRED libusb-1.0)
ADD_DEFINITIONS(${LIBUSB1_CFLAGS})
FIND_LIBRARY(libusb NAMES usb-1.0 HINTS ${LIBUSB1_LIBDIR})
+FIND_LIBRARY(json NAMES json-c json)
-SET(LIBS ubox blobmsg_json ${libusb})
+SET(LIBS ubox blobmsg_json ${libusb} ${json})
IF(DEBUG)
ADD_DEFINITIONS(-DDEBUG -g3)