anyone else had trouble compiling the -1-5 kernel?

cc  -mcpu=v8 -mtune=supersparc -Werror -Wall -Wstrict-prototypes 
-Wmissing-prototypes  -Wpointer-arith -Wno-uninitialized -Wno-main -I. 
-I../../../../arch -I../../../.. -nostdinc -DSUN4M -DBLINK -DRASTERCONSOLE 
-DLKM -DMAXUSERS=32 -D_KERNEL  -c vers.c
ld -Ttext F0004000 -e start -n -X -o netbsd ${SYSTEM_OBJ} vers.o
promlib.o: In function `prom_init_oldmon':
promlib.o(.text+0x1558): undefined reference to `oldmon_w_cmd'
promlib.o(.text+0x155c): undefined reference to `oldmon_w_cmd'
*** Error code 1

Stop.