Looks like an include file or something didn't get pulled up:

ld -Ttext F0004000 -e start -n -X -o netbsd ${SYSTEM_OBJ} vers.o
if_ie_vme.o: In function `ie_memcopyin':
if_ie_vme.o(.text+0x360): undefined reference to `bus_space_read_region_1'
if_ie_vme.o(.text+0x398): undefined reference to `bus_space_read_region_2'
if_ie_vme.o: In function `ie_memcopyout':
if_ie_vme.o(.text+0x500): undefined reference to `bus_space_write_region_1'
if_ie_vme.o(.text+0x538): undefined reference to `bus_space_write_region_2'
if_ie_vme.o: In function `ie_vme_attach':
if_ie_vme.o(.text+0xe28): undefined reference to `bus_space_set_region_2'
qe.o: In function `qeinit':
qe.o(.text+0x1ff4): undefined reference to `bus_space_write_multi_1'
qe.o(.text+0x2040): undefined reference to `bus_space_set_multi_1'
qe.o: In function `qe_mcreset':
qe.o(.text+0x21b8): undefined reference to `bus_space_set_multi_1'
qe.o(.text+0x22c4): undefined reference to `bus_space_set_multi_1'
qe.o(.text+0x249c): undefined reference to `bus_space_write_multi_1'
*** Error code 1

Stop.