'make distribution' errors

[Alex Keda]

lissyara# pwd
/mnt/jabber/DISTR/FreeBSD/src/CURRENT
lissyara# make distribution DESTDIR=/mnt/da4
........ skipped .........
cd /mnt/jabber/DISTR/FreeBSD/src/CURRENT/etc/sendmail; make distribution
install -o root -g wheel -m 644  
/mnt/jabber/DISTR/FreeBSD/src/CURRENT/etc/sendmail/freebsd.mc freebsd.cf 
/mnt/da4/etc/mail
install: freebsd.cf: No such file or directory
*** Error code 71

Stop in /mnt/jabber/DISTR/FreeBSD/src/CURRENT/etc/sendmail.
*** Error code 1

Stop in /mnt/jabber/DISTR/FreeBSD/src/CURRENT/etc.
*** Error code 1

Stop in /mnt/jabber/DISTR/FreeBSD/src/CURRENT.
*** Error code 1

Stop in /mnt/jabber/DISTR/FreeBSD/src/CURRENT.
================
lissyara# uname -a
FreeBSD lissyara.moskb.local 8.0-CURRENT FreeBSD 8.0-CURRENT #0: Mon 
Feb  2 14:16:02 MSK 2009     
lissyara at lissyara.moskb.local:/usr/obj/mnt/jabber/DISTR/FreeBSD/src/CURRENT/sys/USB2  
amd64
=================
but, if I type:
lissyara# make distribution DESTDIR=/mnt/da4 TARGET_ARCH=i386  
all OK...