Package mpp

Failed to find a solution:

no platform:
2024-11-21 13:11.43 [INFO] Solving for ocaml-base-compiler, ocaml,
                           mpp using opam_repository_commit 9f26a2181d2f46e23b62061679bdddb92684f204

2024-11-21 13:14.04 [INFO] base: eliminated all possibilities in 1.47 s

2024-11-21 13:14.04 [INFO] = base =

2024-11-21 13:14.04 [INFO] Can't find all required versions.
Selected: ocaml-config.3 ocaml-options-vanilla.1
          mpp&ocaml&ocaml-base-compiler ocaml-variants ocaml-base-compiler
          ocaml-base-compiler
- mpp -> (problem)
    User requested = 0.1.8
    No usable implementations:
      mpp.0.3.6: Rejected by user-specified constraint mpp (= 0.1.8)
      mpp.0.3.5: Rejected by user-specified constraint mpp (= 0.1.8)
      mpp.0.3.4: Rejected by user-specified constraint mpp (= 0.1.8)
      mpp.0.3.2: Rejected by user-specified constraint mpp (= 0.1.8)
      mpp.0.3.1: Rejected by user-specified constraint mpp (= 0.1.8)
      ...
- ocaml -> ocaml.5.1.1
    User requested <= 5.1.1
- ocaml-base-compiler -> ocaml-base-compiler.5.3.0~beta1
    User requested >= 4.04.1
- ocaml-compiler -> (problem)
    ocaml-base-compiler 5.3.0~beta1 requires = 5.3.0~beta1
    Rejected candidates:
      ocaml-compiler.5.3.0~beta1: Requires ocaml = 5.3.0
      ocaml-compiler.5.3.0~alpha1: Incompatible with restriction: = 5.3.0~beta1
      ocaml-compiler.5.3: Incompatible with restriction: = 5.3.0~beta1
- 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~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
      ocaml-variants.5.2.2+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ...