Package spotlib_js

Failed to find a solution:

no platform:
2024-05-29 14:52.11 [INFO] Solving for ocaml-base-compiler, ocaml,
                           spotlib_js using opam_repository_commit 7311123dcaba6b163a96ad2219b8cc4e59df93a3

2024-05-29 14:52.17 [INFO] base: eliminated all possibilities in 2.78 s

2024-05-29 14:52.17 [INFO] = base =

2024-05-29 14:52.17 [INFO] Can't find all required versions.
Selected: ocaml-config.3 ocamlfind.1.9.6 omake.0.9.8.6-0.rc1
          spotlib_js&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler
- ocaml -> ocaml.4.00.1
    User requested <= 5.1.1
    omake 0.9.8.6-0.rc1 requires < 4.06.0
    spotlib_js 2.2.0_js requires = 4.00.1
- ocaml-base-compiler -> (problem)
    User requested >= 4.04.1
    Rejected candidates:
      ocaml-base-compiler.5.2.0: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~rc1: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~beta2: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~beta1: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~alpha1: Requires ocaml = 5.2.0
      ...
- spotlib_js -> spotlib_js.2.2.0_js
    User requested = 2.2.0_js