Re: Help: getting make-kpkg to build a custom kernel for 586

[Nicholas Humfrey <njh@aelius.com>]

Hi,

I am not sure if this was the right place to ask such questions, so I 
have asked on StackExchange instead:

https://unix.stackexchange.com/questions/498468/getting-debian-make-kpkg-to-build-a-custom-kernel-for-586-processors

nick.


On 2019-02-01 22:21, Nicholas Humfrey wrote:
> Hi,
>
> I am attempting to build a kernel for VyOS 1.2.0 (which is based on
> Debian Jessie) for the i386 architecture and I have been trying to
> target the kernel at the 586 processor.
>
> I have a kernel configuration, which defines 'CONFIG_M586=y', in the
> kernel source tree:
> ./arch/x86/configs/i386_vyos_defconfig
>
> I then run `make i386_vyos_defconfig` followed by `make-kpkg 
> kernel_image`.
> However at some point during the build process the configuration is
> updated to set `CONFIG_M686=y` instead. I have attempted to set
> '--subarch i586' but it doesn't seem to help.
>
> Please could someone help me by explain what is going on and how I
> configure it to target 586 instead?
>
>
> Thanks!
>
> nick.
>
>
>
> The full shell script that calls `make-kpkg` is here:
> https://gist.github.com/njh/5da864f713d0c3c10edd55ff7e5ff0fc
>
> The full kernel config file is here:
> https://gist.github.com/njh/d6191ee130620ccd190e9273864775bd
>
> The Kernel sources for VyOS are here:
> https://github.com/vyos/vyos-kernel
>
> I am using kernel-package 13.014+nmu1 with a patch to fix bug #890817.