Package ocaml-compiler

Failed to find a solution:

no platform:
2024-12-19 08:52.25 [INFO] Solving for ocaml-base-compiler, ocaml,
                           ocaml-compiler using opam_repository_commit 95bfbde2bee0c9a74bdb0f4e9da80fc018c7d361

2024-12-19 08:54.17 [INFO] base: eliminated all possibilities in 1.32 s

2024-12-19 08:54.17 [INFO] = base =

2024-12-19 08:54.17 [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 host-arch-x86_64.1
          ocaml-compiler&ocaml&ocaml-base-compiler system-mingw
          system-mingw|system-msvc&winpthreads host-arch-x86_64 system-mingw
          host-arch-x86_64 ocaml base-domains ocaml-variants
- ocaml -> (problem)
    User requested <= 5.1.1
    ocaml-compiler 5.3.0~beta1 requires = 5.3.0
    Rejected candidates:
      ocaml.5.1.1: Incompatible with restriction: = 5.3.0
      ocaml.5.1.0: Incompatible with restriction: = 5.3.0
      ocaml.5.0.1: Incompatible with restriction: = 5.3.0
      ocaml.5.0.0: Incompatible with restriction: = 5.3.0
      ocaml.4.14.3: Incompatible with restriction: = 5.3.0
      ...
- ocaml-base-compiler -> (problem)
    User requested >= 4.04.1
    Rejected candidates:
      ocaml-base-compiler.5.3.0~rc1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.3.0~beta2: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.3.0~beta1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.3.0~alpha1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.2.1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ...
- ocaml-compiler -> ocaml-compiler.5.3.0~beta1
    User requested = 5.3.0~beta1
- ocaml-variants -> ocaml-variants.5.1.1+effect-syntax
    ocaml-variants|ocaml ocaml-variants requires = 4.12.0+domains+effects | = 5.1.1+effect-syntax
- system-mingw -> (problem)
    No usable implementations:
      system-mingw.1: Availability condition not satisfied