Re: Enable modules in Linux configuration.

[Joshua Branson]

Wow!  I did not know that you could use guixSD to maintain specific 
versions of packages!  Having it manage a custom linux kernel is pretty 
awesome!


On 07/31/2017 05:39 PM, Marius Bakke wrote:
> Dmitry Nikolaev <address@hidden> writes:
>
>> But it looks too complex for me. Is there an easier way to enable
>> additional modules in Linux configuration? Shouldn't I use "extra-options"
>> in make-linux-libre function? How could I do that?
> I suppose we could export the various Linux-Libre variables so that the
> following (untested) would work:
>
> --8<---------------cut here---------------start------------->8---
> (use-package-modules linux)
> (operating-system
>    (kernel
>      (make-linux-libre %linux-libre-version %linux-libre-hash
>                        %intel-compatible-systems
>                        #:extra-options
>                        (cons ("CONFIG_REISER4" . m)
>                              %default-extra-linux-options)
> --8<---------------cut here---------------start------------->8---
>
> It would be a convenient way to add custom options and patches without
> maintaing a full-blown kernel configuration on the side.
>
> Just to cover all bases, here's what I do today for a custom
> kernel configuration file next to a GuixSD 'config.scm':
>   
> --8<---------------cut here---------------end--------------->8---
> (define-module (my packages)
>    #:use-module (gnu packages linux))
>
> (define kernel-config
>    (string-append (dirname (current-filename)) "/kernel.config"))
>
> (define-public my-kernel
>    (package
>      (inherit linux-libre)
>      (native-inputs
>       `(("kconfig" ,kernel-config)
>         ,@(alist-delete "kconfig"
>                         (package-native-inputs linux-libre))))))
>
> (use-modules (my packages))
> (operating-system
>    [...]
>    (kernel my-kernel)
> --8<---------------cut here---------------end--------------->8---