Package ocaml-solo5

Failed to find a solution:

no platform:
2024-12-05 14:31.32 [INFO] Solving for ocaml-base-compiler, ocaml,
                           ocaml-solo5 using opam_repository_commit f9fe53372856980e51ce720b9e9d57f9012a3f00

2024-12-05 14:33.27 [INFO] base: eliminated all possibilities in 1.43 s

2024-12-05 14:33.27 [INFO] = base =

2024-12-05 14:33.27 [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 conf-git.1.1
          conf-libseccomp.1 conf-pkg-config.3 host-arch-x86_64.1
          ocaml-compiler.5.3.0~beta2 ocaml-options-vanilla.1 ocaml-src.5.2.1
          ocamlfind.1.9.6 solo5.0.9.0 ocaml-solo5&ocaml&ocaml-base-compiler
          system-mingw system-mingw|system-msvc&winpthreads host-arch-x86_64
          ocaml base-domains ocaml-variants ocaml-base-compiler
- ocaml -> (problem)
    User requested <= 5.1.1
    ocaml-compiler 5.3.0~beta2 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 -> ocaml-base-compiler.5.3.0~beta2
    User requested >= 4.04.1
- ocaml-solo5 -> ocaml-solo5.1.0.0
    User requested = 1.0.0
- ocaml-variants -> (problem)
    Rejected candidates:
      ocaml-variants.5.4.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0+trunk: 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
      ocaml-variants.5.3.0~beta1+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0~alpha1+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