GNU bug report logs - #69677
[PATCH gnome-team 0/1] Fix opam on gnome-team

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Message #26 received at 69677 <at> debbugs.gnu.org (full text, mbox):

From: Julien Lepiller <julien <at> lepiller.eu>
To: guix-patches <at> gnu.org, Liliana Marie Prikler <liliana.prikler <at> gmail.com>,
 Vivien Kraus <vivien <at> planete-kraus.eu>,
 Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Cc: rg <at> raghavgururajan.name, 69677 <at> debbugs.gnu.org
Subject: Re: [bug#69677] [PATCH gnome-team 1/1] gnu: opam: Fix build.
Date: Sat, 09 Mar 2024 22:35:12 +0100

Le 9 mars 2024 21:35:43 GMT+01:00, Liliana Marie Prikler <liliana.prikler <at> gmail.com> a écrit :
>Hi Vivien,
>
>Am Samstag, dem 09.03.2024 um 20:39 +0100 schrieb Vivien Kraus:
>> My guess is that we have 2 ocaml libraries implementing Base64
>> (ocaml-base64 and ocaml-extlib, propagated from ocaml-dose3). Dune
>> sees that we have a powerful ocaml-base64 installed, so it lays out
>> the compatibility version 6 for us, but when it comes to actually
>> building the project, ocamlfind prioritizes the ocaml-extlib path by
>> adding it first, and it shadows our powerful ocaml-base64
>> implementation.
>> 
>> With this new extlib actor in the plot, I could search better.  It
>> seems like Opam is aware of the issue:
>> 
>> https://github.com/ocaml/opam/issues/5694
>> 
>> The solution seems to be for extlib to ship a minimal version. But
>> maybe this should primarily concern the ocaml team, not gnome-team,
>> as it looks to me like a recipe for breaking at least half of the
>> ocaml ecosystem.

Sounds like we could switch extlib to the dune build-system, possibly adding a #:package argument to make sure it doesn't build the compat version.

>How much of it is broken with gnome-team already (vs. broken on other
>branches)?  It wouldn't be nice of us to say "here, we broke it, you
>fix it please".  It also appears as though opam only has two dependants
>– are we not tracking this correctly or is a minimal version in use
>anyway?

opam is not used to build ocaml packages, so it's not a surprise to me it has so few dependents. Would be nice not to break it though, it's still a useful program by itself :)

>
>Cheers
>
>
>

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