Undefined refence error

[Wright, David]

Are you compiling with -O2 optimization?  If you compile without
optimization, those missing functions won't be inlined and will
show up as undefined references.

  -- David Wright, Infiniswitch Corp.



> -----Original Message-----
> From: satya kumar [mailto:i_satya at yahoo.com]
> Sent: Thursday, March 07, 2002 2:02 AM
> To: linuxppc-embedded at lists.linuxppc.org
> Subject: Undefined refence error
>
>
>
> Hai All,
> My First mail to this group.Not a master , only a
> newbie ,so please bear with me.
> I have successfully compiled the binutils, gcc for
> powerpc. Now I went for compiling glibc, which is
> giving some problems, so I left it and proceeded with
> compiling the kernel.
> Now it is giving following error message when I do
> make zImage
> mm/mm.o: In function `__free_pages_ok':
> mm/mm.o(.text+0xdee4): undefined reference to
> `__test_and_change_bit'
> mm/mm.o(.text+0xdee4): relocation truncated to fit:
> R_PPC_REL24 __test_and_change_bit
> mm/mm.o: In function `rmqueue':
> mm/mm.o(.text+0xe0f8): undefined reference to
> `__change_bit'
> mm/mm.o(.text+0xe0f8): relocation truncated to fit:
> R_PPC_REL24 __change_bit
> mm/mm.o(.text+0xe190): undefined reference to
> `__change_bit'
> mm/mm.o(.text+0xe190): relocation truncated to fit:
> R_PPC_REL24 __change_bit
> make: *** [vmlinux] Error 1
>
>
> Please help me out.I am stuck. I am compiling it for a
> MPC860 board. I have selected the machine type as MBX
> during configuring/compiling kernel( Is it right).
>
>
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>

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