stable/8 to HEAD

Hi,

Possible stupid question, but.. Can I update my stable/8 r228757 to
HEAD? 

sandbox# svnversion
246112
sandbox# cat /etc/src.conf
WITHOUT_PROFILE=YES
WITHOUT_GAMES=YES
WITHOUT_BLUETOOTH=YES
WITHOUT_FREEBSD_UPDATE=YES
WITHOUT_LPR=YES
WITHOUT_NDIS=YES
WITHOUT_WPA_SUPPLICANT_EAPOL=YES
WITHOUT_WIRELESS_SUPPORT=YES
WITHOUT_WIRELESS=YES

sandbox# cat /etc/make.conf
# added by use.perl 2011-01-12 09:43:24
PERL_VERSION=5.10.1

sandbox# make buildworld

[skipped]
===> usr.bin/lex/lib (all)
cc  -O2 -pipe -std=gnu99   -I/usr/obj/usr/src/tmp/legacy/usr/include
-c /usr/src/usr.bin/lex/lib/libmain.c -o libmain.o cc  -O2 -pipe
-std=gnu99   -I/usr/obj/usr/src/tmp/legacy/usr/include
-c /usr/src/usr.bin/lex/lib/libyywrap.c -o libyywrap.o building static
ln library ranlib libln.a sh /usr/src/tools/install.sh -s -o root -g
wheel -m 555   lex /usr/obj/usr/src/tmp/legacy/usr/bin
sh /usr/src/tools/install.sh -C -o root -g wheel -m
444  /usr/src/usr.bin/lex/FlexLexer.h /usr/obj/usr/src/tmp/legacy/usr/include
===> usr.bin/lex/lib (install) sh /usr/src/tools/install.sh -C -o root
-g wheel -m 444
libln.a /usr/obj/usr/src/tmp/legacy/usr/lib /usr/obj/usr/src/tmp/legacy/usr/lib/libl.a
-> /usr/obj/usr/src/tmp/legacy/usr/lib/libln.a /usr/obj/usr/src/tmp/legacy/usr/lib/libfl.a
-> /usr/obj/usr/src/tmp/legacy/usr/lib/libln.a /usr/obj/usr/src/tmp/legacy/usr/bin/lex++
-> /usr/obj/usr/src/tmp/legacy/usr/bin/lex /usr/obj/usr/src/tmp/legacy/usr/bin/flex
-> /usr/obj/usr/src/tmp/legacy/usr/bin/lex /usr/obj/usr/src/tmp/legacy/usr/bin/flex++
-> /usr/obj/usr/src/tmp/legacy/usr/bin/lex ===> usr.bin/xinstall
(obj,depend,all,install) /usr/obj/usr/src/tmp/usr/src/usr.bin/xinstall
created for /usr/src/usr.bin/xinstall rm -f .depend mkdep -f .depend
-a    -I/usr/src/usr.bin/xinstall/../../contrib/mtree
-I/usr/src/usr.bin/xinstall/../../lib/libnetbsd
-I/usr/obj/usr/src/tmp/legacy/usr/include
-std=gnu99   /usr/src/usr.bin/xinstall/xinstall.c /usr/src/usr.bin/xinstall/../../contrib/mtree/getid.c /usr/src/usr.bin/xinstall/xinstall.c:64:20:
error: sha512.h: No such file or directory mkdep: compile failed ***
[.depend] Error code 1

Stop in /usr/src/usr.bin/xinstall.
*** [bootstrap-tools] Error code 1

Stop in /usr/src.
*** [_bootstrap-tools] Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.

-- 
wbr, tiger