problem with kernel build for h5400 familiar 0.8.1 kernel hh37.6

Hi,
I tried to build a new gpe-image.
When bitbake attempt to build the package
handhelds-pxa-2.4.19-rmk6-pxa1-hh37.6
the following error occured:
===========================================
 ccache arm-linux-gcc-3.3.3 -D__KERNEL__
-I/home/blgoeris/src/build/tmp/work/handhelds-pxa-2.4.19-rmk6-pxa1-hh37.6-r0/kernel/include
-Wall -Wstrict-prototypes -Wno-trigraphs -O2 -fno-strict-aliasing -fno-common
-fomit-frame-pointer -Uarm -fno-common -pipe -frename-registers -mapcs-32
-D__LINUX_ARM_ARCH__=5 -mcpu=xscale -mtune=xscale -msoft-float -Uarm
-nostdinc -DKBUILD_BASENAME=sched -fno-omit-frame-pointer -c -o sched.o
sched.c
| In Datei, eingefügt
von /home/blgoeris/src/build/tmp/work/handhelds-pxa-2.4.19-rmk6-pxa1-hh37.6-r0/kernel/include/linux/wait.h:13,
|
von /home/blgoeris/src/build/tmp/work/handhelds-pxa-2.4.19-rmk6-pxa1-hh37.6-r0/kernel/include/linux/fs.h:12,
|
von /home/blgoeris/src/build/tmp/work/handhelds-pxa-2.4.19-rmk6-pxa1-hh37.6-r0/kernel/include/linux/capability.h:17,
|
von /home/blgoeris/src/build/tmp/work/handhelds-pxa-2.4.19-rmk6-pxa1-hh37.6-r0/kernel/include/linux/binfmts.h:5,
|
von /home/blgoeris/src/build/tmp/work/handhelds-pxa-2.4.19-rmk6-pxa1-hh37.6-r0/kernel/include/linux/sched.h:9,
|
von /home/blgoeris/src/build/tmp/work/handhelds-pxa-2.4.19-rmk6-pxa1-hh37.6-r0/kernel/include/linux/mm.h:4,
| von sched.c:23:
| /home/blgoeris/src/build/tmp/work/handhelds-pxa-2.4.19-rmk6-pxa1-hh37.6-r0/kernel/include/linux/kernel.h:10:20:
stdarg.h: Datei oder Verzeichnis nicht gefunden
===========================================
I checked that the header file is at the rigth place and the include path is
set correct.

Any suggestions?

THX

-- 
Best Regards/Gruss Siggi