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TLacault avatar TLacault commented on July 17, 2024 1

Creating a switch with ocaml-base-compiler v4.14.1 solved the issue.

before creating the switch :

~ $ opam switch list

#  switch   compiler                    description
→  default  ocaml.5.0.0                 default
~ $ opam switch create 4.14.1

<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "4.14.1"} | "ocaml-system" {= "4.14.1"}]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
∗ installed base-bigarray.base
∗ installed base-threads.base
∗ installed base-unix.base
∗ installed ocaml-options-vanilla.1
⬇ retrieved ocaml-base-compiler.4.14.1  (https://opam.ocaml.org/cache)
∗ installed ocaml-base-compiler.4.14.1
∗ installed ocaml-config.2
∗ installed ocaml.4.14.1
Done.
~ $ opam switch

#  switch   compiler                    description
→  4.14.1   ocaml-base-compiler.4.14.1  4.14.1
   default  ocaml.5.0.0                 default

and finally :

~ $ opam install utop

The following actions will be performed:
  ∗ install dune              3.10.0 [required by utop]
  ∗ install ocamlfind         1.9.6  [required by utop]
  ∗ install ocamlbuild        0.14.2 [required by logs]
  ∗ install xdg               3.10.0 [required by utop]
  ∗ install trie              1.0.0  [required by mew]
  ∗ install result            1.5    [required by zed]
  ∗ install csexp             1.5.2  [required by dune-configurator]
  ∗ install cppo              1.6.9  [required by utop]
  ∗ install base-bytes        base   [required by ocplib-endian]
  ∗ install uchar             0.0.2  [required by zed]
  ∗ install topkg             1.0.7  [required by logs]
  ∗ install mew               0.1.0  [required by mew_vi]
  ∗ install dune-configurator 3.10.0 [required by lwt]
  ∗ install ocplib-endian     1.2    [required by lwt]
  ∗ install uutf              1.0.3  [required by zed]
  ∗ install react             1.2.2  [required by utop]
  ∗ install lwt               5.7.0  [required by utop]
  ∗ install uucp              15.0.0 [required by zed]
  ∗ install mew_vi            0.5.0  [required by lambda-term]
  ∗ install lwt_react         1.2.0  [required by utop]
  ∗ install logs              0.7.0  [required by utop]
  ∗ install uuseg             15.0.0 [required by zed]
  ∗ install zed               3.2.3  [required by utop]
  ∗ install lambda-term       3.3.2  [required by utop]
  ∗ install utop              2.13.1
===== ∗ 25 =====
Do you want to continue? [Y/n] y

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
⬇ retrieved cppo.1.6.9  (cached)
⬇ retrieved csexp.1.5.2  (cached)
⬇ retrieved lambda-term.3.3.2  (cached)
⬇ retrieved logs.0.7.0  (cached)
⬇ retrieved lwt.5.7.0  (cached)
⬇ retrieved lwt_react.1.2.0  (cached)
⬇ retrieved mew.0.1.0  (cached)
⬇ retrieved mew_vi.0.5.0  (cached)
⬇ retrieved ocamlbuild.0.14.2  (cached)
⬇ retrieved dune.3.10.0  (cached)
⬇ retrieved dune-configurator.3.10.0  (cached)
⬇ retrieved ocamlfind.1.9.6  (cached)
⬇ retrieved ocplib-endian.1.2  (cached)
⬇ retrieved react.1.2.2  (cached)
⬇ retrieved result.1.5  (cached)
⬇ retrieved trie.1.0.0  (cached)
⬇ retrieved topkg.1.0.7  (cached)
⬇ retrieved uchar.0.0.2  (cached)
⬇ retrieved utop.2.13.1  (cached)
⬇ retrieved uuseg.15.0.0  (cached)
⬇ retrieved uutf.1.0.3  (cached)
⬇ retrieved zed.3.2.3  (cached)
⬇ retrieved uucp.15.0.0  (cached)
⬇ retrieved xdg.3.10.0  (cached)
∗ installed ocamlfind.1.9.6
∗ installed base-bytes.base
∗ installed ocamlbuild.0.14.2
∗ installed uchar.0.0.2
∗ installed topkg.1.0.7
∗ installed uutf.1.0.3
∗ installed react.1.2.2
∗ installed dune.3.10.0
∗ installed csexp.1.5.2
∗ installed cppo.1.6.9
∗ installed result.1.5
∗ installed trie.1.0.0
∗ installed mew.0.1.0
∗ installed ocplib-endian.1.2
∗ installed xdg.3.10.0
∗ installed mew_vi.0.5.0
∗ installed dune-configurator.3.10.0
∗ installed lwt.5.7.0
∗ installed lwt_react.1.2.0
∗ installed logs.0.7.0
∗ installed uucp.15.0.0
∗ installed uuseg.15.0.0
∗ installed zed.3.2.3
∗ installed lambda-term.3.3.2
∗ installed utop.2.13.1
Done.

from utop.

emillon avatar emillon commented on July 17, 2024

The issue here is that utop requires xdg >= 3.9.0. The one installed in your switch fits, but for some reason you have a system-wide xdg library that takes precedence. One cause of this is that you're using a "system" switch with ocaml installed in /usr/bin. Using a non-system opam switch (created with opam switch create ...) should work. I'm not sure if this is supposed to work with a system switch.

from utop.

emillon avatar emillon commented on July 17, 2024

(I'll ask the opam team their opinion ; potentially that's also an issue with how your distribution packages things)

from utop.

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