make build from 2.9 stable to 3.0 current

["Steve Wingate" <steve@velosystems.net>]

I'm trying to upgrade to 3.0 current. I've cvsup'ed the source, built a new
kernel and rebooted. Upon trying the make build step from /usr/src I get
this message:

styx:src {55} make build
cd /usr/src/share/mk && exec  make install
install -c -o root -g bin -m 444 bsd.README bsd.doc.mk bsd.dep.mk bsd.lib.mk
bsd.man.mk bsd.nls.mk  bsd.obj.mk bsd.own.mk bsd.port.mk bsd.port.subdir.mk
bsd.prog.mk  bsd.regress.mk bsd.subdir.mk bsd.sys.mk sys.mk bsd.lkm.mk
/usr/share/mk
cd /usr/src/include && make prereq && exec  make includes
preparing in /usr/src/include/../kerberosIV/lib/kadm
preparing in /usr/src/include/../kerberosIV/lib/krb
"/usr/share/mk/bsd.man.mk", line 120: missing `in' in for
file in ${MLINKS}
"/usr/share/mk/bsd.man.mk", line 120: Need an operator
"/usr/share/mk/bsd.man.mk", line 122: Need an operator
Fatal errors encountered -- cannot continue
*** Error code 1

Stop in /usr/src/include (line 79 of Makefile).
*** Error code 1

Stop in /usr/src (line 75 of Makefile).

How do I move on from here?