error when compiling kernel after cvsupping to RELENG_6

[Indigo 23]

Hello. I was just wondering if anyone could tell me why my kernel compile
errors out, I have cvsupped to RELENG_6, and built world, and now as I was
building the kernel, I get the following error:

--------snip---------
cc -c -O -pipe -march=pentium4 -Wall -Wredundant-decls -Wnested-externs
-Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline
-Wcast-qual -fformat-extensions -std=c99 -nostdinc -I- -I. -I../../..
-I../../../contrib/dev/acpica -I../../../contrib/altq
-I../../../contrib/ipfilter -I../../../contrib/pf -I../../../contrib/dev/ath
-I../../../contrib/dev/ath/freebsd -I../../../contrib/ngatm
-I../../../dev/twa -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include
opt_global.h -fno-common -finline-limit=8000 --param inline-unit-growth=100
--param large-function-growth=1000 -mno-align-long-strings
-mpreferred-stack-boundary=2 -mno-mmx -mno-3dnow -mno-sse -mno-sse2
-ffreestanding -Werror ../../../fs/deadfs/dead_vnops.c
cc -c -O -pipe -march=pentium4 -Wall -Wredundant-decls -Wnested-externs
-Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline
-Wcast-qual -fformat-extensions -std=c99 -nostdinc -I- -I. -I../../..
-I../../../contrib/dev/acpica -I../../../contrib/altq
-I../../../contrib/ipfilter -I../../../contrib/pf -I../../../contrib/dev/ath
-I../../../contrib/dev/ath/freebsd -I../../../contrib/ngatm
-I../../../dev/twa -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include
opt_global.h -fno-common -finline-limit=8000 --param inline-unit-growth=100
--param large-function-growth=1000 -mno-align-long-strings
-mpreferred-stack-boundary=2 -mno-mmx -mno-3dnow -mno-sse -mno-sse2
-ffreestanding -Werror ../../../fs/devfs/devfs_devs.c
cc -c -O -pipe -march=pentium4 -Wall -Wredundant-decls -Wnested-externs
-Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline
-Wcast-qual -fformat-extensions -std=c99 -nostdinc -I- -I. -I../../..
-I../../../contrib/dev/acpica -I../../../contrib/altq
-I../../../contrib/ipfilter -I../../../contrib/pf -I../../../contrib/dev/ath
-I../../../contrib/dev/ath/freebsd -I../../../contrib/ngatm
-I../../../dev/twa -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include
opt_global.h -fno-common -finline-limit=8000 --param inline-unit-growth=100
--param large-function-growth=1000 -mno-align-long-strings
-mpreferred-stack-boundary=2 -mno-mmx -mno-3dnow -mno-sse -mno-sse2
-ffreestanding -Werror ../../../fs/devfs/devfs_rule.c
cc -c -O -pipe -march=pentium4 -Wall -Wredundant-decls -Wnested-externs
-Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline
-Wcast-qual -fformat-extensions -std=c99 -nostdinc -I- -I. -I../../..
-I../../../contrib/dev/acpica -I../../../contrib/altq
-I../../../contrib/ipfilter -I../../../contrib/pf -I../../../contrib/dev/ath
-I../../../contrib/dev/ath/freebsd -I../../../contrib/ngatm
-I../../../dev/twa -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include
opt_global.h -fno-common -finline-limit=8000 --param inline-unit-growth=100
--param large-function-growth=1000 -mno-align-long-strings
-mpreferred-stack-boundary=2 -mno-mmx -mno-3dnow -mno-sse -mno-sse2
-ffreestanding -Werror ../../../fs/devfs/devfs_vfsops.c
cc -c -O -pipe -march=pentium4 -Wall -Wredundant-decls -Wnested-externs
-Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline
-Wcast-qual -fformat-extensions -std=c99 -nostdinc -I- -I. -I../../..
-I../../../contrib/dev/acpica -I../../../contrib/altq
-I../../../contrib/ipfilter -I../../../contrib/pf -I../../../contrib/dev/ath
-I../../../contrib/dev/ath/freebsd -I../../../contrib/ngatm
-I../../../dev/twa -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include
opt_global.h -fno-common -finline-limit=8000 --param inline-unit-growth=100
--param large-function-growth=1000 -mno-align-long-strings
-mpreferred-stack-boundary=2 -mno-mmx -mno-3dnow -mno-sse -mno-sse2
-ffreestanding -Werror ../../../fs/devfs/devfs_vnops.c
../../../fs/devfs/devfs_vnops.c:1148: warning: redundant redeclaration of
'devfs_ops_f'
../../../fs/devfs/devfs_vnops.c:70: warning: previous declaration of
'devfs_ops_f' was here
../../../fs/devfs/devfs_vnops.c:1159: warning: redundant redeclaration of
'devfs_vnodeops'
../../../fs/devfs/devfs_vnops.c:68: warning: previous declaration of
'devfs_vnodeops' was here
../../../fs/devfs/devfs_vnops.c:1181: warning: redundant redeclaration of
'devfs_specops'
../../../fs/devfs/devfs_vnops.c:69: warning: previous declaration of
'devfs_specops' was here
*** Error code 1

Stop in /usr/src/sys/i386/compile/DUALCORE.
--------snip---------

I also receive this same error on another machine I have cvsupped. Anyone
have any ideas as to how this can be fixed?
Thanks.