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Subject: [bug#37868] [PATCH v8] system: Add kernel-module-packages to
 operating-system.
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From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
References: <20200227135146.5701-1-dannym@scratchpost.org>
 <20200227155029.2542-1-dannym@scratchpost.org>
 <20200314194055.6d857037@scratchpost.org>
Date: Sun, 15 Mar 2020 22:02:45 +0100
In-Reply-To: <20200314194055.6d857037@scratchpost.org> (Danny Milosavljevic's
 message of "Sat, 14 Mar 2020 19:40:55 +0100")
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To: Danny Milosavljevic <dannym@scratchpost.org>
Cc: Mark H Weaver <mhw@netris.org>, 37868@debbugs.gnu.org

Hi,

Danny Milosavljevic <dannym@scratchpost.org> skribis:

> The only part I'm still unsure about is:
>
>                           ;; TODO: system, target.
>                           (profile-derivation
>                            (packages->manifest
>                             (cons kernel modules))
>                            #:hooks (list linux-module-database)
>                            #:locales? #f
>                            #:allow-collisions? #f
>                            #:relative-symlinks? #t))
>
> Will Guix do the derivation (especially the invocation of depmod) for the
> intended system and target?

I would just write a test OS definition, and then run:

  ./pre-inst-env guix system build test.scm -nd -s armhf-linux

>From there, you can inspect the =E2=80=98linux-module-database=E2=80=99 der=
ivation,
check its system type, and check the kmod referred to in its =E2=80=9C-buil=
der=E2=80=9D
file (is it the file name of the armhf-linux kmod?).

Likewise for cross-compilation.

HTH!

Ludo=E2=80=99.