Re: [PATCH 4/6] Add support for LZO-compressed kernels for ARM

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Albin Tonnerre a écrit :
> Hi Sam,
> 
> On Fri, Aug 07, 2009 at 11:08:16PM +0200, Sam Ravnborg wrote :
>> We could add libgcc as a prerequisite.
>> Untested patch below.
> 
> When compiling with this patch applied, I get the following error:
> 
>   Kernel: arch/arm/boot/Image is ready
>     LD      arch/arm/boot/compressed/vmlinux
> /home/albin/x-tools/arm-unknown-linux-uclibcgnueabi/lib/gcc/arm-unknown-linux-uclibcgnueabi/4.3.2/libgcc.a(_dvmd_lnx.o):
> In function `__div0':
> /home/albin/devel/free-electrons/toolchain/targets/src/gcc-4.3.2/libgcc/../gcc/config/arm/lib1funcs.asm:1079:
> undefined reference to `raise'
> make[2]: *** [arch/arm/boot/compressed/vmlinux] Error 1
> make[1]: *** [arch/arm/boot/compressed/vmlinux] Error 2
> 
> I've got no idea where this symbol is defined, though. Has anyone an idea on
> this ?
It is defined in libc ;)
You need either to provide a fake one, or use don't use libgcc.

Matthieu

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