2.4.15 compile problem on PPC

[matthieu foillard]

do you know what's wrong with this ?
thanks.

make[2]: Leaving directory `/usr/src/linux/arch/ppc/xmon'
ld -T arch/ppc/vmlinux.lds -Ttext 0xc0000000 -Bstatic arch/ppc/kernel/head.o init/main.o init/version.o \
  --start-group \
  arch/ppc/kernel/kernel.o arch/ppc/mm/mm.o arch/ppc/lib/lib.o kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o arch/ppc/xmon/x.o \
  drivers/char/char.o drivers/block/block.o drivers/misc/misc.o drivers/net/net.o drivers/media/media.o drivers/ide/idedriver.o drivers/cdrom/driver.o drivers/sound/sounddrivers.o drivers/pci/driver.o drivers/pcmcia/pcmcia.o drivers/net/wireless/wireless_net.o drivers/macintosh/macintosh.o drivers/video/video.o drivers/usb/usbdrv.o drivers/input/inputdrv.o \
  net/network.o \
  /usr/src/linux/lib/lib.a \
  --end-group \
  -o vmlinux
  kernel/kernel.o: In function `show_task':
  kernel/kernel.o(.text+0x17e0): undefined reference to `show_trace_task'
  kernel/kernel.o(.text+0x17e0): relocation truncated to fit: R_PPC_REL24 show_trace_task
  make[1]: *** [vmlinux] Erreur 1