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[pure amd64] Linux 2.6.3 compile fails


I finally worked out my biarch kernel problems and am now trying to
build Linux 2.6.3 in the pure64 chroot while running 2.6.3 built under
the biarch chroot setup.  In all cases the kernel is the pristine
version from kernel.org.

The build is failing because there is apparently a need for 32 bit
support in gcc.  Here is the error:

  AS      arch/x86_64/boot/compressed/head.o
cc1: sorry, unimplemented: 32-bit mode not compiled in
make[2]: *** [arch/x86_64/boot/compressed/head.o] Error 1
make[1]: *** [arch/x86_64/boot/compressed/vmlinux] Error 2
make: *** [bzImage] Error 2

The failing "head.S" does have mention of 32 bit looking things
(eg. ".code32"), however I don't know assembly so have no clue here.

Any ideas?

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