Package opam-build

Failed to find a solution:

no platform:
2025-02-03 22:24.56 [INFO] Solving for ocaml-base-compiler, ocaml,
                           opam-build using opam_repository_commit f872de4b7a2f4b7ccc24dfe491575cabe8c9fabe

2025-02-03 22:25.00 [INFO] base: eliminated all possibilities in 1.94 s

2025-02-03 22:25.00 [INFO] = base =

2025-02-03 22:25.00 [INFO] Can't find all required versions.
Selected: ocaml-config.3 ocaml-options-vanilla.1
          opam-build&ocaml&ocaml-base-compiler ocaml-variants
          ocaml-base-compiler ocaml-base-compiler
- ocaml -> ocaml.5.1.1
    User requested <= 5.1.1
- ocaml-base-compiler -> ocaml-base-compiler.5.3.0
    User requested >= 4.04.1
- ocaml-compiler -> (problem)
    ocaml-base-compiler 5.3.0 requires = 5.3.0
    Rejected candidates:
      ocaml-compiler.5.3.0: Requires ocaml = 5.3.0
      ocaml-compiler.5.3.0~rc1: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.3.0~beta2: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.3.0~beta1: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.3.0~alpha1: Incompatible with restriction: = 5.3.0
      ...
- ocaml-variants -> (problem)
    Rejected candidates:
      ocaml-variants.5.4.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.1+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
      ...
- opam-build -> (problem)
    User requested = 0.2.4
    No usable implementations:
      opam-build.0.2.4: Availability condition not satisfied
      opam-build.0.2.3: Rejected by user-specified constraint opam-build (= 0.2.4)
      opam-build.0.1.0: Rejected by user-specified constraint opam-build (= 0.2.4)