Re: OCaml package `ocaml-zarith` not working / Guix installed `ocamlc` not picking up installed libraries

[Zelphir Kaltstahl <zelphirkaltstahl@posteo.de>]

On 30.12.24 20:33, Julien Lepiller wrote:
> That might be a mismatch between ocaml (latest version is ocaml 5) and tge libraries which are currently built with ocaml4. If you try the same with ocaml@4, does it work?

Hi Julien!

If I try with the following manifest.scm:

~~~~manifest.scm~~~~ (specifications->manifest '("ocaml@4" "ocaml-utop" "dune" 
;; "opam" "bash" "ocaml-zarith")) ~~~~

I get:

~~~~output~~~~ guix shell: warning: ambiguous package specification `ocaml@4' 
guix shell: warning: choosing ocaml@4.14.1 from gnu/packages/ocaml.scm:256:2 The 
following derivation will be built: 
/gnu/store/qzxdn126savzdn3a9ayhy3fgkl79r1y6-profile.drv building CA certificate 
bundle... listing Emacs sub-directories... building fonts directory... building 
directory of Info manuals... building profile with 5 packages... guix shell: 
checking the environment variables visible from shell '/bin/bash'... guix shell: 
All is good! The shell gets correct environment variables. File "main.ml", line 
1, characters 5-6: 1 | open Z ^ Error: Unbound module Z ~~~~

So I tried with `ocaml@4.14.1` instead, which according to the warning it chose 
anyway, due to @4 being ambiguous, but the error remains.

Regards,
Zelphir

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