Package melange

Failed to find a solution:

no platform:
2025-02-27 15:35.02 [INFO] Solving for ocaml-base-compiler, ocaml,
                           melange using opam_repository_commit 77714bd58759d6cd963e396164d1cff83314648c

2025-02-27 15:36.33 [INFO] base: eliminated all possibilities in 0.96 s

2025-02-27 15:36.33 [INFO] = base =

2025-02-27 15:36.33 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-domains.base base-effects.base
          base-nnp.base base-threads.base base-unix.base cmdliner.1.3.0
          cppo.1.8.0 dune.3.17.2 dune-build-info.3.17.2 menhir.20240715
          menhirCST.20240715 menhirLib.20240715 menhirSdk.20240715
          ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0
          ocaml-options-vanilla.1 ppx_derivers.1.2.1 ppxlib.0.35.0
          sexplib0.v0.17.0 stdlib-shims.0.3.0
          melange&ocaml&ocaml-base-compiler ocaml system-mingw
          system-mingw|system-msvc&winpthreads ocaml base-domains
          ocaml-variants ocaml-base-compiler
- melange -> melange.4.0.1-52
    User requested = 4.0.1-52
- ocaml -> (problem)
    User requested <= 5.1.1
    cmdliner 1.3.0 requires >= 4.08.0
    melange 4.0.1-52 requires >= 5.2 & < 5.3
    Rejected candidates:
      ocaml.5.1.1: Incompatible with restriction: >= 5.2 & < 5.3
      ocaml.5.1.0: Incompatible with restriction: >= 5.2 & < 5.3
      ocaml.5.0.1: Incompatible with restriction: >= 5.2 & < 5.3
      ocaml.5.0.0: Incompatible with restriction: >= 5.2 & < 5.3
      ocaml.4.14.3: Incompatible with restriction: >= 5.2 & < 5.3
      ...
- ocaml-base-compiler -> ocaml-base-compiler.5.3.0
    User requested >= 4.04.1
- ocaml-variants -> (problem)
    Rejected candidates:
      ocaml-variants.5.4.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.1+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0~rc1+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0~beta2+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ...
- system-mingw -> (problem)
    No usable implementations:
      system-mingw.1: Availability condition not satisfied