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Subject: Re: Linker error with latest tree on EM64T
From: Arjan van de Ven <arjan@infradead.org>
To: Marcel Holtmann <marcel@holtmann.org>
Cc: jakub@redhat.com, linux-kernel@vger.kernel.org
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Date: Thu, 13 Jul 2006 12:59:47 +0200
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On Thu, 2006-07-13 at 12:56 +0200, Marcel Holtmann wrote:
> Hi,
> 
> when trying to build the latest tree on an EM64T Dual-Core, I am getting
> this error:
> 
>   LD      .tmp_vmlinux1
> init/built-in.o: In function `try_name':
> do_mounts.c:(.text+0x51d): undefined reference to `__stack_chk_fail'
> init/built-in.o: In function `name_to_dev_t':
> (.text+0x797): undefined reference to `__stack_chk_fail'
> init/built-in.o: In function `mount_block_root':
> (.init.text+0x823): undefined reference to `__stack_chk_fail'
> init/built-in.o: In function `md_run_setup':
> (.init.text+0x1131): undefined reference to `__stack_chk_fail'
> init/built-in.o: In function `do_header':
> initramfs.c:(.init.text+0x24a4): undefined reference to `__stack_chk_fail'
> arch/x86_64/kernel/built-in.o:(.text+0x2f52): more undefined references to `__st
> ack_chk_fail' follow
> make: *** [.tmp_vmlinux1] Error 1

you are using ubuntu which has a compiler that adds -fstack-protector
implicitly to the compiler options, yet you don't have a kernel that
provides this infrastructure ;)
(I have code for that but it's not merged yet, it's pending one gcc
patch to get merged upstream)
in the mean time.. I'm pretty sure Sam sent a patch to Linus that adds
-fno-stack-protector...