Package core_extended

Failed to find a solution:

no platform:
2024-05-29 14:55.11 [INFO] Solving for ocaml-base-compiler, ocaml,
                           core_extended using opam_repository_commit 7311123dcaba6b163a96ad2219b8cc4e59df93a3

2024-05-29 14:55.18 [INFO] base: eliminated all possibilities in 2.91 s

2024-05-29 14:55.18 [INFO] = base =

2024-05-29 14:55.18 [INFO] Can't find all required versions.
Selected: base-bytes.base base-ocamlbuild.base
          camlp4.4.02.0-1modular-implicits conf-libpcre.1 conf-pkg-config.3
          conf-which.1 ocaml-config.3 ocamlfind.1.9.6 pcre.7.2.3 res.4.0.7
          core_extended&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler
- bin_prot -> bin_prot.109.15.01
    core_extended 109.19.00 requires = 109.15.01
- comparelib -> (problem)
    core_extended 109.19.00 requires = 109.15.00
    Rejected candidates:
      comparelib.113.00.00: Requires type_conv >= 113.00.00 & < 113.01.00
      comparelib.109.60.00: Requires type_conv >= 109.60.00 & < 112.02.00
      comparelib.109.27.02: Incompatible with restriction: = 109.15.00
      comparelib.109.27.00: Incompatible with restriction: = 109.15.00
      comparelib.109.15.00: Requires type_conv >= 109.15.00 & <= 109.20.00
      ...
- core -> (problem)
    Rejected candidates:
      core.v0.17.1: Requires ocaml >= 5.1.0
      core.v0.17.0: Requires ocaml >= 5.1.0 & < 5.2
      core.v0.16.2: Requires ocaml >= 4.14.0
      core.v0.16.1: Requires ocaml >= 4.14.0
      core.v0.16.0: Requires ocaml >= 4.14.0 & < 5.1~
      ...
- core_extended -> core_extended.109.19.00
    User requested = 109.19.00
- custom_printf -> (problem)
    core_extended 109.19.00 requires = 109.15.00
    Rejected candidates:
      custom_printf.113.00.00: Incompatible with restriction: = 109.15.00
      custom_printf.112.24.00: Incompatible with restriction: = 109.15.00
      custom_printf.112.17.00: Incompatible with restriction: = 109.15.00
      custom_printf.112.06.00: Incompatible with restriction: = 109.15.00
      custom_printf.112.01.00: Incompatible with restriction: = 109.15.00
      ...
- fieldslib -> (problem)
    core_extended 109.19.00 requires = 109.19.00
    Rejected candidates:
      fieldslib.v0.17.0: Incompatible with restriction: = 109.19.00
      fieldslib.v0.16.0: Incompatible with restriction: = 109.19.00
      fieldslib.v0.15.0: Incompatible with restriction: = 109.19.00
      fieldslib.v0.14.0: Incompatible with restriction: = 109.19.00
      fieldslib.v0.13.0: Incompatible with restriction: = 109.19.00
      ...
- ocaml -> ocaml.4.02.4
    User requested <= 5.1.1
    base-ocamlbuild base requires >= 3.10 & < 4.03
- 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.5.3.0+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
      ocaml-variants.5.2.0~rc1+options: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ...
- ocamlbuild -> ocamlbuild.0
    pcre 7.2.3 requires <> 0.9.0
- pa_ounit -> (problem)
    core_extended 109.19.00 requires = 109.18.00
    Rejected candidates:
      pa_ounit.113.00.00: Incompatible with restriction: = 109.18.00
      pa_ounit.112.35.00: Incompatible with restriction: = 109.18.00
      pa_ounit.112.24.00: Incompatible with restriction: = 109.18.00
      pa_ounit.112.17.00: Incompatible with restriction: = 109.18.00
      pa_ounit.111.28.00: Incompatible with restriction: = 109.18.00
      ...
- pipebang -> pipebang.109.15.00
    core_extended 109.19.00 requires = 109.15.00
- sexplib -> (problem)
    core_extended 109.19.00 requires = 109.17.00
    Rejected candidates:
      sexplib.v0.17.0: Incompatible with restriction: = 109.17.00
      sexplib.v0.16.0: Incompatible with restriction: = 109.17.00
      sexplib.v0.15.1: Incompatible with restriction: = 109.17.00
      sexplib.v0.15.0: Incompatible with restriction: = 109.17.00
      sexplib.v0.14.0: Incompatible with restriction: = 109.17.00
      ...
- type_conv -> type_conv.109.28.00
    bin_prot 109.15.01 requires >= 109.15.00 & <= 109.28.00