GNU bug report logs - #55833
cross-base error: wrong type argument in position 1

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From: Maxime Devos <maximedevos <at> telenet.be>
To: Josselin Poiret <dev <at> jpoiret.xyz>, Ekaitz Zarraga <ekaitz <at> elenq.tech>,  55833 <at> debbugs.gnu.org, othacehe <at> gnu.org
Subject: bug#55833: cross-base error: wrong type argument in position 1
Date: Wed, 08 Jun 2022 15:06:10 +0200

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Josselin Poiret schreef op wo 08-06-2022 om 12:35 [+0200]:
> >    * rename platform-linux-architecture to
> >      '%platform-linux-architecture'
> >      and define a wrapper 'platform-linux-architecture' displaying
> >      a proper error message ‘unsupported target’ or such.
> > 
> > and
> > 
> >    * use "riscv64-linux-gnu" instead of "riscv64-unknown-linux-gnu"
> >      (as expected by (guix platforms riscv)).
> 
> I don't think we should deviate from the usual behaviour of a
> procedure
> returning #f it wasn't able to find the thing it was searching for.

The proposal was to modify platform-linux-architecture, which doesn't
search for anything and doesn't return #false.  It already throws an
exception:

> ice-9/boot-9.scm:1685:16: In procedure raise-exception:
> In procedure struct-vtable: Wrong type argument in position 1
> (expecting struct): #f

The proposal is to make the error message clearer, by raising an
exception ourselves instead of leaving it to struct-vtable.

(My proposal might have been confusing due to the mention of
lookup-platform-by-target-or-system which doesn't seem relevant on
second sight?)

Greetings,
Maxime.

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