Package meta_conv

Failed to find a solution:

no platform:
2024-09-12 08:21.42 [INFO] Solving for ocaml-base-compiler, ocaml,
                           meta_conv using opam_repository_commit 0329818dcfd3de1a722ea09eeeed94cd24caa375

2024-09-12 08:21.48 [INFO] base: eliminated all possibilities in 2.57 s

2024-09-12 08:21.48 [INFO] = base =

2024-09-12 08:21.48 [INFO] Can't find all required versions.
Selected: base-ocamlbuild.base camlp4.4.02.0-1modular-implicits conf-which.1
          ocaml-config.3 ocamlbuild.0 ocamlfind.1.9.6 omake.0.9.8.6-0.rc1
          type_conv.111.13.00 meta_conv&ocaml&ocaml-base-compiler
          ocaml-base-compiler ocaml-base-compiler
- meta_conv -> meta_conv.0.10.0
    User requested = 0.10.0
- ocaml -> ocaml.4.00.1
    User requested <= 5.1.1
    base-ocamlbuild base requires >= 3.10 & < 4.03
    meta_conv 0.10.0 requires = 4.00.1
- ocaml-base-compiler -> (problem)
    User requested >= 4.04.1
    Rejected candidates:
      ocaml-base-compiler.5.2.0: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~rc1: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~beta2: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~beta1: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~alpha1: Requires ocaml = 5.2.0
      ...
- ocaml-variants -> (problem)
    camlp4 4.02.0-1modular-implicits requires = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
    Rejected candidates:
      ocaml-variants.5.4.0+trunk: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.3.0+trunk: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.2.1+trunk: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.2.0+statmemprof: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.2.0+options: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ...