bug#51801: closed (No warning when attempting to build unsupported system with --system)

[GNU bug Tracking System]

Your message dated Fri, 18 Feb 2022 14:18:02 +0100
with message-id <87bkz4jotx.fsf@gnu.org>
and subject line Re: bug#51801: No warning when attempting to build unsupported 
system with --system
has caused the debbugs.gnu.org bug report #51801,
regarding No warning when attempting to build unsupported system with --system
to be marked as done.

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-- 
51801: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=51801
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> --- Begin Message ---
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> Subject: 
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> No warning when attempting to build unsupported system with --system
>
>
>
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> Date: 
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> Fri, 12 Nov 2021 21:51:45 -0500
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>
> Hello Guix,
>
> I was surprised that:
>
> --8<---------------cut here---------------start------------->8---
> guix build fpc --system=armhf-linux
> --8<---------------cut here---------------end--------------->8---
>
> would send me in a dead end without any word of caution, given that
> armhf-linux is *not* listed in the supported-systems field.
>
> We should at least warn near the beginning of the build, and remind of
> that fact at the end of the build in case of failure.
>
> Thanks,
>
> Maxim
>
>
>
> --- End Message ---
> --- Begin Message ---
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>
>
> Subject: 
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> Re: bug#51801: No warning when attempting to build unsupported system with --system
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>
>
>
> Date: 
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> Fri, 18 Feb 2022 14:18:02 +0100
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>
> User-agent: 
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> Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux)
>
>
>
>
> Ludovic Courtès <ludo@gnu.org> skribis:
>
> > Maxim Cournoyer <maxim.cournoyer@gmail.com> skribis:
> >
> >> I was surprised that:
> >>
> >> guix build fpc --system=armhf-linux
> >>
> >> would send me in a dead end without any word of caution, given that
> >> armhf-linux is *not* listed in the supported-systems field.
> >>
> >> We should at least warn near the beginning of the build, and remind of
> >> that fact at the end of the build in case of failure.
> >
> > I came up with the patches below.
> >
> > The first part forbids unsupported packages altogether in user-facing
> > commands: ‘guix install’, ‘guix shell’, etc.  Until now, they’d just
> > start building things that were bound to fail.
> >
> > The second part adds a mere warning for ‘guix build’ (it does not repeat
> > it at the end, though).
>
> I went ahead and pushed them:
>
>   0ca26437cb guix build: Warn when attempting to build an unsupported package.
>   5a57313918 profiles: 'profile-derivation' rejects unsupported packages.
>   0572737a62 packages: 'package-transitive-supported-systems' ignores 
> '%current-target-system'.
>
> Ludo’.
>
>
> --- End Message ---