From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: lm-sensors vanished
Date: Sat, 16 Jul 2016 15:13:26 +0200
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References: <20160715154017.GA6252@solar> <20160715163418.GA3598@solar>
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To: Andreas Enge <andreas@enge.fr>
Cc: guix-devel@gnu.org

Andreas Enge <andreas@enge.fr> skribis:

> More on lm-sensors, which we will probably need for installing the hydra
> replacement: First, the input rrdtool is not referenced in the output; co=
uld
> it be moved to native-inputs, or maybe even dropped? I tried a compilation
> without it, and it succeeded, but I did not yet check whether the result
> actually works.

To make sure, I=E2=80=99d suggest grepping the source of lm-sensors for any
mention of rrdtool.  It might be safe to remove it.

> Second, it is extraordinarily big, which means we cannot reasonably add it
> to the installation image, and then it will take a long time to download
> during the installation:
> $ guix size lm-sensors
> /gnu/store/35655d6dqw80ziqwxn6yhszqmyknxy39-lm-sensors-3.3.5       413.2 =
    0.5   0.1%

[...]

> /gnu/store/sjvcirri2bg7q5hlrkaywhmxllik0cfx-gcc-4.9.3              138.2 =
   77.2  18.7%

Keep in mind that most of it is due to <http://bugs.gnu.org/23077>,
fixed in core-updates.

> Perl is needed for two scripts:
> bin/sensors-conf-convert, which
> "Convert[s] a sensors.conf file from the old (Linux 2.4, lm-sensors 2)
> symbol names to the new (Linux 2.6 or 3, lm-sensors 3) symbol names."
> and which is probably not important for GuixSD.
> And sbin/sensors-detect, which I think is needed.

OK.

> Could we maybe drop gnuplot, which seems to pull in a lot of X related
> packages?

We=E2=80=99d need to check what it=E2=80=99s used for, but maybe yes.

Thanks,
Ludo=E2=80=99.