From mboxrd@z Thu Jan  1 00:00:00 1970
From: Vincent Legoll <vincent.legoll@gmail.com>
Subject: Re: Kernel config
Date: Thu, 21 Jul 2016 14:46:13 +0200
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To: =?UTF-8?Q?Ludovic_Court=C3=A8s?= <ludo@gnu.org>
Cc: help-guix@gnu.org

On Thu, Jul 21, 2016 at 2:06 PM, Ludovic Court=C3=A8s <ludo@gnu.org> wrote:
> Vincent Legoll <vincent.legoll@gmail.com> skribis:
>
>>>   (define-public my-own-linux-libre
>>>     (package
>>>       (inherit linux-libre)
>>>       (native-inputs
>>>         `(("kconfig" ,(local-file "./my-kernel.conf"))
>>>           ,@(alist-delete "kconfig" (package-native-inputs linux-libre)=
)))))
>>>
>>> =E2=80=A6 which can be dropped in a file in $GUIX_PACKAGE_PATH.
>>>
>>> It remains somewhat inconvenient, though.
>>
>> Yep, inconvenient in the sense I couldn't find the right incantation to
>> make this work, even with the help from people on #guix...
>
> Here=E2=80=99s a more complete example that works for me.
>
> First, I have this linux-libre.scm file in my GUIX_PACKAGE_PATH:
>
> --8<---------------cut here---------------start------------->8---
> (define-module (linux-libre)
>   #:use-module (guix gexp)
>   #:use-module (guix packages)
>   #:use-module (gnu packages linux)
>   #:use-module (srfi srfi-1))
>
> (define-public my-own-linux-libre
>   (package
>     (inherit linux-libre)
>     (name "linux-libre-for-myself")
>     (native-inputs
>      `(("kconfig" ,(local-file "./my-kernel.conf"))
>        ,@(alist-delete "kconfig" (package-native-inputs linux-libre))))))
> --8<---------------cut here---------------end--------------->8---
>
> In the same directory lies the file =E2=80=98my-kernel.conf=E2=80=99.
>
> With this, I can do:
>
> --8<---------------cut here---------------start------------->8---
> $ guix build linux-libre-for-myself -n --no-grafts
> The following derivation would be built:
>    /gnu/store/23b25z660ahglylv5blm2l9cbrc639c2-linux-libre-for-myself-4.6=
.4.drv
> $ guix gc --references /gnu/store/23b25z660ahglylv5blm2l9cbrc639c2-linux-=
libre-for-myself-4.6.4.drv | grep my-kernel
> /gnu/store/pq885cy0bi73acwh1wdx4agn5y5vrf2z-my-kernel.conf
> $ cat /gnu/store/pq885cy0bi73acwh1wdx4agn5y5vrf2z-my-kernel.conf
> Fake kernel conf.
> --8<---------------cut here---------------end--------------->8---
>
> Does something similar works for you?

No, I get:

guix build: error: /home/vince/guix-packages/linux-libre.scm:8:2:
package `linux-libre-for-myself-4.5' has an invalid input: ("kconfig"
#<<local-file> file: "./my-kernel.conf" absolute: #<promise
#<procedure 55079f0 at ice-9/eval.scm:416:20 ()>> name:
"my-kernel.conf" recursive?: #f>)

Which is very similar to what I was getting yesterday evening, with the var=
ious
modifications that efraim asked me to try on IRC

--=20
Vincent Legoll