1subdirs-y += kernel 2subdirs-y += tee 3subdirs-y += drivers 4 5gensrcs-y += ta_pub_key 6produce-ta_pub_key = ta_pub_key.c 7depends-ta_pub_key = $(TA_SIGN_KEY) 8recipe-ta_pub_key = scripts/pem_to_pub_c.py --prefix ta_pub_key \ 9 --key $(TA_SIGN_KEY) --out $(sub-dir-out)/ta_pub_key.c 10