--- kernel.debug ---
linking kernel.debug
/usr/src/sys/kern/kern_mib.c:111: error: undefined reference to '__build_id_end'
/usr/src/sys/kern/kern_mib.c:111: error: undefined reference to '__build_id_start'
/usr/src/sys/kern/kern_mib.c:132: error: undefined reference to '__build_id_start'
collect2: error: ld returned 1 exit status
*** [kernel.debug] Error code 1

make: stopped making "all" in /usr/obj/usr/src/sys/VKERNEL64
make: 1 error

make: stopped making "all" in /usr/obj/usr/src/sys/VKERNEL64