Package rdf

Failed to find a solution:

no platform:
2024-01-29 15:00.54 [INFO] Solving for ocaml-base-compiler, ocaml,
                           rdf using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 15:00.59 [INFO] base: eliminated all possibilities in 2.62 s

2024-01-29 15:00.59 [INFO] = base =

2024-01-29 15:00.59 [INFO] Can't find all required versions.
Selected: base-bytes.base base-ocamlbuild.base base-threads.base
          base-unix.base camlp4.4.02.0-1modular-implicits conf-gmp.4
          conf-gmp-powm-sec.3 conf-libpcre.1 conf-perl.2 conf-pkg-config.3
          conf-which.1 conf-zlib.1 cppo.1.6.9 cryptokit.1.14 dune.3.13.0
          ocaml-config.3 ocaml-secondary-compiler.4.08.1-1 ocamlfind.1.9.6
          ocamlfind-secondary.1.9.6 ocamlnet.4.1.9-2 pcre.7.2.3 result.1.5
          seq.0.3.1 topkg.1.0.0 ulex.1.2 uuidm.0.9.6 yojson.2.1.2 zarith.1.11
          rdf&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler ocaml&ocamlfind-secondary
- menhir -> menhir.20211012
    menhirLib 20211012 requires not(<> 20211012)
- menhirLib -> menhirLib.20211012
    menhir 20211012 requires = 20211012
- menhirSdk -> menhirSdk.20211012
    menhir 20211012 requires = 20211012
- ocaml -> ocaml.4.02.4
    User requested <= 5.1.0
    base-ocamlbuild base requires >= 3.10 & < 4.03
- ocaml-base-compiler -> (problem)
    User requested >= 4.04.1
    Rejected candidates:
      ocaml-base-compiler.5.1.1: Requires ocaml = 5.1.1
      ocaml-base-compiler.5.1.1~rc1: Requires ocaml = 5.1.1
      ocaml-base-compiler.5.1.0: Requires ocaml = 5.1.0
      ocaml-base-compiler.5.1.0~rc3: Requires ocaml = 5.1.0
      ocaml-base-compiler.5.1.0~rc2: Requires ocaml = 5.1.0
      ...
- 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.5.2.0+trunk: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.1.2+trunk: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.1.1+tsan: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.1.1+options: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ...
- ocamlbuild -> ocamlbuild.0
    cryptokit 1.14 requires <> 0.9.0
- rdf -> rdf.0.9.0
    User requested = 0.9.0
- xmlm -> xmlm.1.2.0
    rdf 0.9.0 requires >= 1.1.1 & <> 1.3.0