kernel build error (zlib.ko)

With today's sources I get an error while compiling the kernel:

===> zlib (all)
cc -O2 -fno-strict-aliasing -pipe -march=pentium-m -Werror -D_KERNEL
-DKLD_MODULE -std=c99 -nostdinc -I-   -DHAVE_KERNEL_OPTION_HEADERS
-include /usr/obj/usr/src/sys/MAGGIE/opt_global.h -I. -I_at_
-I_at_/contrib/altq -finline-limit=8000 --param inline-unit-growth=100
--param large-function-growth=1000 -fno-common -g
-I/usr/obj/usr/src/sys/MAGGIE -mno-align-long-strings
-mpreferred-stack-boundary=2  -mno-mmx -mno-3dnow -mno-sse -mno-sse2
-mno-sse3 -ffreestanding -Wall -Wredundant-decls -Wnested-externs
-Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline
-Wcast-qual  -Wundef -fformat-extensions -c
/usr/src/sys/modules/zlib/../../net/zlib.c
ld  -d -warn-common -r -d -o zlib.kld zlib.o
:> export_syms
awk -f /usr/src/sys/modules/zlib/../../conf/kmod_syms.awk zlib.kld
export_syms | xargs -J% objcopy % zlib.kld
ld -Bshareable  -d -warn-common -o zlib.ko.debug zlib.kld
objcopy --only-keep-debug zlib.ko.debug zlib.ko.symbols
objcopy --strip-debug --add-gnu-debuglink=zlib.ko.symbols zlib.ko.debug
zlib.ko
1 error
*** Error code 2
1 error
*** Error code 2
1 error


Any ideas what could be the cause?

Lars

-- 
Lars Engels
E-Mail: lars.engels_at_0x20.net