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charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:5884:8208::1; envelope-from=julien@lepiller.eu; helo=hermes.lepiller.eu X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-guix@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-guix-bounces+larch=yhetil.org@gnu.org Sender: help-guix-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN X-Migadu-Queue-Id: AB4547DEC4 X-Migadu-Scanner: mx13.migadu.com X-Migadu-Spam-Score: -0.19 X-Spam-Score: -0.19 X-TUID: hShIN2+WoFyZ That might be a mismatch between ocaml (latest version is ocaml 5) and tge = libraries which are currently built with ocaml4=2E If you try the same with= ocaml@4, does it work? Le 30 d=C3=A9cembre 2024 18:53:06 GMT+01:00, Zelphir Kaltstahl a =C3=A9crit=C2=A0: >On 30=2E12=2E24 18:50, Zelphir Kaltstahl wrote: >>=20 >> Hello Guix users, >>=20 >> I am facing a problem trying to use Guix to install Ocaml packages=2E >>=20 >> I was implementing a simple recursive factorial function, as part of le= arning the language, and tested what would happen, if I calculated factoria= l of 100 =2E=2E=2E Result: 0=2E "Ah!" I thought, "all I need to do is get t= hat Zarith package I have been reading about before, and import that in my = code!"=2E So I added it to my manifest=2Escm file, which I use for a `guix = shell`, and expected the Ocaml compiler to naturally pick up packages insta= lled via guix, since the Ocaml compiler ocamlc is also installed using guix= =2E However, it seems this is dysfunctional currently and ocamlc does not r= ealize that the library is in fact installed=2E I am not sure where it is l= ooking for libraries=2E >>=20 >> Here is how to reproduce: >>=20 >> ~~~~guix-env/channels=2Escm~~~~ >> (list (channel >> (name 'guix) >> (url"https://git=2Esavannah=2Egnu=2Eorg/git/guix=2Egit") >> (branch "master") >> (commit >> "4473f8ae902c2192cab6919363a9101ce9861e45") >> (introduction >> (make-channel-introduction >> "9edb3f66fd807b096b48283debdcddccfea34bad" >> (openpgp-fingerprint >> "BBB0 2DDF 2CEA F6A8 0D1D E643 A2A0 6DF2 A33A 54FA"))))= ) >> ~~~~ >>=20 >> ~~~~guix-env/manifest=2Escm~~~~ >> (specifications->manifest >> '("ocaml" >> "ocaml-utop" >> "dune" >> ;; "opam" ; using guix to install packages, should not need opam >> "bash" >> "ocaml-zarith")) >> ~~~~ >>=20 >> ~~~~main=2Eml~~~~ >> open Z >>=20 >> let factorial n =3D >> let rec iter n =3D >> if n < (of_int 2) >> then of_int 1 >> else mul n (iter (sub n (of_int 1))) >> in >> iter (of_int n) >>=20 >>=20 >> let _ =3D 5 |> factorial |> to_string |> print_endline >> let _ =3D 100 |> factorial |> to_string |> print_endline >> ~~~~ >>=20 >> ~~~~command~~~~ >> guix time-machine --channels=3Dguix-env/channels=2Escm -- shell --check= --manifest=3Dguix-env/manifest=2Escm -- bash -c 'ocamlc -c main=2Eml -o ma= in=2Ebyte' >>=20 >> guix shell: checking the environment variables visible from shell '/bin= /bash'=2E=2E=2E >> guix shell: All is good! The shell gets correct environment variables= =2E >> File "main=2Eml", line 1, characters 5-6: >> 1 | open Z >> ^ >> Error: Unbound module Z >> ~~~~ > >I would also like to add, that utop _does_ pick up the library and that i= n utop I can: > >~~~~in utop~~~~ >#require "zarith";; >~~~~ > >And work with its functions=2E > >So this really seems to be about ocamlc=2E >