> ld -n -Ttext 0 -e start -x -o netbsd ${SYSTEM_OBJ} vers.o
> locore.o: Undefined symbol `_gray_bar' referenced from text segment
> *** Error code 1
> 
> Stop.
> 
> Any suggestions?

How about commenting out every _gray_bar call in locore.s?  You are
not relying on the gray bars anymore, do you?  Surely I'm not.

ken