Package gsasl

Failed to find a solution:

no platform:
2024-01-29 15:12.18 [INFO] Solving for ocaml-base-compiler, ocaml,
                           gsasl using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 15:12.24 [INFO] base: eliminated all possibilities in 2.69 s

2024-01-29 15:12.24 [INFO] = base =

2024-01-29 15:12.24 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-domains.base base-nnp.base
          base-threads.base base-unix.base conf-libffi.2.0.0 conf-libgsasl.1
          conf-pkg-config.3 csexp.1.5.2 ctypes-foreign.0.21.1 dune.3.13.0
          dune-configurator.3.13.0 ocaml-config.3 ocaml-options-vanilla.1
          ocamlbuild.0.14.3 gsasl&ocaml&ocaml-base-compiler
          ocaml-base-compiler ocaml-base-compiler ocaml base-domains ocaml
          ocaml-base-compiler
- ctypes -> (problem)
    ctypes-foreign 0.21.1 requires = 0.21.1
    gsasl 0.10.0 requires >= 0.3 & < 0.4.0
    Rejected candidates:
      ctypes.0.21.1: Incompatible with restriction: >= 0.3 & < 0.4.0
      ctypes.0.20.2: Incompatible with restriction: = 0.21.1
      ctypes.0.20.1: Incompatible with restriction: = 0.21.1
      ctypes.0.20.0: Incompatible with restriction: = 0.21.1
      ctypes.0.19.1: Requires base-nnp conflict with all versions
      ...
- gsasl -> gsasl.0.10.0
    User requested = 0.10.0
- ocaml -> ocaml.5.1.0
    User requested <= 5.1.0
- ocaml-base-compiler -> ocaml-base-compiler.5.1.0
    User requested >= 4.04.1
    ocaml-base-compiler|ocaml-variants|ocaml-system|dkml-base-compiler ocaml-base-compiler requires >= 5.1.0~ & < 5.1.1~