# DF-0282 fix compile-validation: ng_btsocket.ko module build with the tx_cred clamp + payload guard.
# cd /usr/src/sys/netgraph7/bluetooth/socket && make KERNCONF=X86_64_GENERIC
# ... ng_btsocket_rfcomm.c compiled with -Werror ...
# cc -Wl,--build-id=sha1 ... -o ng_btsocket.ko ng_btsocket.o ... ng_btsocket_rfcomm.o
# BT_RC=0
# -rw-r--r-- 1 root wheel 145216 /usr/obj/usr/src/sys/netgraph7/bluetooth/socket/ng_btsocket.ko
status=COMPILE_OK (ng_btsocket.ko linked, rc=0)