9-I386 make distribution fails

[Dominic Fandrey]

# tc makeJail -j 9-i386
9-i386: updating jail with CSUP
9-i386: cleaning out /usr/local/portstools/tinderbox/jails/9-i386/obj
9-i386: cleaning out /usr/local/portstools/tinderbox/jails/9-i386/tmp
9-i386: making world
9-i386: making distribution
ERROR: distribution failed - see /usr/local/portstools/tinderbox/jails/9-i386/distribution.tmp
Cleaning up after Jail creation.  Please be patient.

# tail /usr/local/portstools/tinderbox/jails/9-i386/distribution.tmp
install -o root -g wheel  -m 644 empty.db localhost-forward.db localhost-reverse.db /usr/local/portstools/tinderbox/jails/9-i386/tmp/etc/namedb/master
cd /usr/local/portstools/tinderbox/jails/9-i386/src/etc/sendmail; make distribution
install -o root -g wheel -m 644  /usr/local/portstools/tinderbox/jails/9-i386/src/etc/sendmail/freebsd.mc freebsd.cf /usr/local/portstools/tinderbox/jails/9-i386/tmp/etc/mail
install: freebsd.cf: No such file or directory
*** Error code 71

Stop in /usr/local/portstools/tinderbox/jails/9-i386/src/etc/sendmail.
*** Error code 1

Stop in /usr/local/portstools/tinderbox/jails/9-i386/src/etc.

# uname -a
FreeBSD AryaStark.norad 9.0-RC1 FreeBSD 9.0-RC1 #0: Fri Oct 28 17:49:42 CEST 2011     root at AryaStark.norad:/usr/obj/GENERIC/amd64/usr/src/sys/GENERIC  amd64


I was able to makeJail my RELENG_7 and RELENG_8 i386 jails.
I've got no idea what's causing this.

-- 
A: Because it fouls the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet and in e-mail?