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SubjectRe: i386 -> x86_64 cross compile failure (binutils bug?)
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On Fri, 2005-12-09 at 14:58 -0500, Kyle McMartin wrote:
> On Fri, Dec 09, 2005 at 01:50:08PM -0500, Lee Revell wrote:
> > I'm trying to build an x66-64 kernel on a 32 bit system (Ubuntu 5.10).
> > I added -m64 to the CFLAGS as per the gcc docs. But the build fails
> > with:
> >
> > $ make ARCH=x86_64
> > arch/x86_64/kernel/entry.S:785: Error: cannot represent relocation type BFD_RELOC_64
>
> Ubuntu/Debian provide a biarch gcc, but do not (did not?) provide a biarch
> assembler. Building binutils for target x86_64-pc-linux-gnu should help.
>

I thought that might be the problem so I installed an x86-64 binutils
from:

http://debian.speedblue.org

I tried with CROSS_COMPILE="/usr/x86_64/bin/x86_64-linux-", but edited
the Makefile to set CC to /use/bin/gcc. Same error.

Lee

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