Re: Trouble with ocaml-dune and magic variables

[Stéphane Glondu <glondu@debian.org>]

Hi,

Le 14/02/2025 à 22:36, Julien Puydt a écrit :
> ocaml-dune does substitutions when building a project:
> https://dune.readthedocs.io/en/latest/usage.html#dune-subst
>
> and unfortunately, it is based on the version control system, so
> tarballs obtained from a github release lack the necessary information
> for this to work.

Usually, projects using this trick publish tarballs with substitutions 
applied:

  https://github.com/LPCIC/elpi/releases/tag/v2.0.7

(here, elpi-2.0.7.tbz).

> As a consequence, a package like elpi has to play sed tricks in its
> debian/rules to do this:
>
> https://salsa.debian.org/ocaml-team/elpi/-/blob/master/debian/rules?ref_type=heads
>
> and now, trying to update the elpi package, I get breakages because
> another file needs this trick (something I can fix... after much poking
> around!) and because other things aren't built correctly. For example,
> dune makes a META file which lacks the required "version = ..." line.
>
> So I'm writing to this list either to rally people on looking for a
> good solution or getting pointed to a fine manpage to read...

Did you try using the .tbz instead?


Cheers,

--
Stéphane