GNU bug report logs - #37868
[PATCH] guix: Allow multiple packages to provide Linux modules in the system profile.

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From: Ludovic Courtès <ludo <at> gnu.org>
To: Danny Milosavljevic <dannym <at> scratchpost.org>
Cc: mhw <at> netris.org, Mathieu Othacehe <m.othacehe <at> gmail.com>, 37868 <at> debbugs.gnu.org
Subject: [bug#37868] [PATCH v8] system: Add kernel-module-packages to operating-system.
Date: Tue, 17 Mar 2020 10:29:08 +0100

Danny Milosavljevic <dannym <at> scratchpost.org> skribis:

> On Mon, 16 Mar 2020 10:55:57 +0100
> Mathieu Othacehe <m.othacehe <at> gmail.com> wrote:
>
>> --8<---------------cut here---------------start------------->8---
>> guix system: error: gnu/packages/linux.scm:886:2: acpi-call-linux-module <at> 3.17: build system `linux-module' does not support cross builds
>> --8<---------------cut here---------------end--------------->8---
>> 
>> This is not caused by your patch, but it prevents me from testing :(
>
> That's too bad.
>
> I tried to preserve cross-compilation in guix/build-system/linux-module.scm
> but apparently I missed something.  Sorry!
>
> It could just be the
>
>   (not target)                               ;XXX: no cross-compilation

Yes, it means that ‘linux-module-build-system’ does not return a bag
when cross-compiling.

See ‘gnu-build-system’ for how to support cross-compilation.

In the meantime, Mathieu, perhaps you can test system cross-compilation
by using a ‘computed-file’ (instead of a package) as a fake package
providing modules?

Thanks,
Ludo’.

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