[Xenomai] failing compile of kernel-3.8 on arm

[Sagar Behere <sagar.behere@gmail.com>]

Hello,

I patched the vanilla linux-3.8 kernel sources with 
ipipe-core-3.8-arm-1.patch. The patch was applied cleanly, but while 
compiling the kernel, I get two problems

Problem 1: This is the same as 
http://www.mail-archive.com/xenomai@xenomai.org/msg02719.html

Problem 2: The compilation halts with

----

In file included from 
/home/sagar/kernels/linux-3.8/arch/arm/include/asm/xenomai/syscall.h:29,
                  from include/xenomai/nucleus/shadow.h:27,
                  from include/asm-generic/xenomai/system.h:42,
                  from 
/home/sagar/kernels/linux-3.8/arch/arm/include/asm/xenomai/system.h:29,
                  from include/xenomai/nucleus/types.h:36,
                  from include/xenomai/nucleus/queue.h:24,
                  from include/xenomai/nucleus/heap.h:25,
                  from kernel/xenomai/nucleus/bufd.c:144:
include/asm-generic/xenomai/syscall.h: In function 
‘__xn_safe_strncpy_from_user’:
include/asm-generic/xenomai/syscall.h:147: error: implicit declaration 
of function ‘__strncpy_from_user’
make[3]: *** [kernel/xenomai/nucleus/bufd.o] Error 1
make[2]: *** [kernel/xenomai/nucleus] Error 2
make[1]: *** [kernel/xenomai] Error 2
make: *** [kernel] Error 2

----

compiler is: arm-linux-gnueabi-gcc (Debian 4.4.5-8) 4.4.5

Any ideas how to fix these issues? I'll be running this kernel on the 
gumstix overo, if that matters..

Thanks and regards,
Sagar