releng_7, can't compile gcc (make buildworld)

[Milan Bartos]

Hi, I am running 7.0-BETA2 and i have following problem:
I fetched the latest releng_7 sources via cvsup from *default 
host=cvsup3.FreeBSD.org. But:

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Vallhala#make buildworld
cc -O2 -fno-strict-aliasing -pipe -I. -DIN_GCC -DHAVE_CONFIG_H -DPREFIX=\"/usr\" -I/usr/obj/usr/src/gnu/usr.bin/cc/cc_tools/../cc_tools -I/usr/src/gnu/usr.bin/cc/cc_tools/../cc_tools -I/usr/src/gnu/usr.bin/cc/cc_tools/../../../../contrib/gcc -I/usr/src/gnu/usr.bin/cc/cc_tools/../../../../contrib/gcc/config -I/usr/src/gnu/usr.bin/cc/cc_tools/../../../../contrib/gcclibs/include -I/usr/src/gnu/usr.bin/cc/cc_tools/../../../../contrib/gcclibs/libcpp/include -I/usr/src/gnu/usr.bin/cc/cc_tools/../../../../contrib/gcclibs/libdecnumber -g -DGENERATOR_FILE -DHAVE_CONFIG_H  -I/usr/obj/usr/src/tmp/legacy/usr/include -c /usr/src/gnu/usr.bin/cc/cc_tools/../../../../contrib/gcc/gengtype.c
In file included from ./tm.h:4,
                 
from /usr/src/gnu/usr.bin/cc/cc_tools/../../../../contrib/gcc/gengtype.c:24:
./options.h:375: error: redeclaration of enumerator 'OPT_d'
./options.h:373: error: previous definition of 'OPT_d' was here
./options.h:898: error: redeclaration of enumerator 'OPT_w'
./options.h:896: error: previous definition of 'OPT_w' was here
*** Error code 1

Stop in /usr/src/gnu/usr.bin/cc/cc_tools.
*** Error code 1

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

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

Stop in /usr/src.
Vallhala#  
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My gcc version is:
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[Vallhala]~>gcc -v
Using built-in specs.
Target: i386-undermydesk-freebsd
Configured with: FreeBSD/i386 system compiler
Thread model: posix
gcc version 4.2.1 20070719  [FreeBSD]
[Vallhala]~>
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and uname -a
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Vallhala# uname -a
FreeBSD Vallhala 7.0-BETA2 FreeBSD 7.0-BETA2 #0: Sun Nov 11 22:06:08 CET 2007     
root at Vallhala:/usr/obj/usr/src/sys/GENERIC  i386
Vallhala# 
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Is it bug, bad feature or problem in my system?

Thank you, Milan Bartoš