[ELDK] How to correctly build a Xenomai ready kernel with ads8272_defconfig

[Goldberger, Yigal]

Hi All,
I downloaded the latest ELDK from the DENX website and installed it on my machine .
It contains 2 kernels 2.6.24 and 2.6.24-xenomai which I assumed was patched with xenomai .
I then tried to build the xenomai ready kernel as follows :

> make ads8272_defconfig (with ARCH=ppc and CROSS_COMPILE=ppc_82xx-)
> make uImage

A) With the initial configuration it doesn't compile , it fails
due to a missing function declaration on mac-fcc.c file .
as far as I remember it was cmp_command.

B) After adding and removing several options in the menuconfig I managed to compile the kernel but it now fails on link phase :

LD vmlinux
kernel/built-in.o: In function `rthal_exit':
(.text+0x2cb18): undefined reference to `rthal_arch_cleanup'
kernel/built-in.o: In function `rthal_init':
(.text+0x2cbd4): undefined reference to `rthal_arch_init'
kernel/built-in.o: In function `rthal_init':
(.text+0x2cc70): undefined reference to `rthal_arch_cleanup'
kernel/built-in.o: In function `rthal_init':
(.text+0x2cc9c): undefined reference to `rthal_arch_cleanup'
kernel/built-in.o: In function `rthal_init':
(.text+0x2cd42): undefined reference to `rthal_domain_entry'
kernel/built-in.o: In function `rthal_init':
(.text+0x2cd56): undefined reference to `rthal_domain_entry'
kernel/built-in.o: In function `xnintr_enable':
(.text+0x2fc58): undefined reference to `rthal_irq_enable'
kernel/built-in.o: In function `xnintr_disable':
(.text+0x2fc7c): undefined reference to `rthal_irq_disable'
kernel/built-in.o: In function `xnintr_irq_handler':
intr.c:(.text+0x3022c): undefined reference to `rthal_irq_end'
kernel/built-in.o: In function `xnarch_calibrate_timer':
(.text+0x31558): undefined reference to `rthal_timer_calibrate'
kernel/built-in.o: In function `xnpod_disable_timesource':
(.text+0x32a00): undefined reference to `rthal_timer_release'
kernel/built-in.o: In function `xnpod_welcome_thread':
(.text+0x32b00): undefined reference to `rthal_save_fpu'
kernel/built-in.o: In function `xnpod_welcome_thread':
(.text+0x32b4c): undefined reference to `rthal_init_fpu'
kernel/built-in.o: In function `xnpod_enable_timesource':
(.text+0x331c8): undefined reference to `rthal_timer_request'
kernel/built-in.o: In function `xnpod_schedule':
(.text+0x33a8c): undefined reference to `rthal_save_fpu'
kernel/built-in.o: In function `xnpod_schedule':
(.text+0x33acc): undefined reference to `rthal_restore_fpu'
kernel/built-in.o: In function `xnpod_schedule':
(.text+0x33fd4): undefined reference to `rthal_thread_switch'
kernel/built-in.o: In function `xnpod_schedule':
(.text+0x34168): undefined reference to `rthal_thread_switch'
kernel/built-in.o: In function `xnpod_restart_thread':
(.text+0x368e6): undefined reference to `rthal_thread_trampoline'
kernel/built-in.o: In function `xnpod_restart_thread':
(.text+0x368ea): undefined reference to `rthal_thread_trampoline'
kernel/built-in.o: In function `xnpod_switch_fpu':
(.text+0x377f0): undefined reference to `rthal_save_fpu'
kernel/built-in.o: In function `xnpod_switch_fpu':
(.text+0x37834): undefined reference to `rthal_restore_fpu'
kernel/built-in.o: In function `xnpod_start_thread':
(.text+0x37a36): undefined reference to `rthal_thread_trampoline'
kernel/built-in.o: In function `xnpod_start_thread':
(.text+0x37a3a): undefined reference to `rthal_thread_trampoline'
kernel/built-in.o: In function `xnpod_migrate_thread':
(.text+0x38338): undefined reference to `rthal_save_fpu'
kernel/built-in.o: In function `xnpod_schedule_runnable':
(.text+0x39778): undefined reference to `rthal_thread_switch'
kernel/built-in.o: In function `xnpod_schedule_runnable':
(.text+0x397c0): undefined reference to `rthal_save_fpu'
kernel/built-in.o: In function `xnpod_schedule_runnable':
(.text+0x39800): undefined reference to `rthal_restore_fpu'
kernel/built-in.o: In function `xnpod_schedule_runnable':
(.text+0x39dc8): undefined reference to `rthal_thread_switch'
make: *** [vmlinux] Error 1

My question is why isn't the kernel compiling at first place as is ( I assume I'm skipping some important configuration stage)
And also why isn't it linking now.
In short what's the right way to go.

Regards,
Yigal Goldberger.

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