Package piqilib

Failed to find a solution:

no platform:
2025-02-03 23:07.59 [INFO] Solving for ocaml-base-compiler, ocaml,
                           piqilib using opam_repository_commit f872de4b7a2f4b7ccc24dfe491575cabe8c9fabe

2025-02-03 23:09.25 [INFO] base: eliminated all possibilities in 1.38 s

2025-02-03 23:09.25 [INFO] = base =

2025-02-03 23:09.25 [INFO] Can't find all required versions.
Selected: base-threads.base base-unix.base dune.3.17.2 easy-format.1.3.4
          ocaml-config.3 ocaml-options-vanilla.1 ocamlbuild.0.15.0
          ocamlfind.1.9.6 topkg.1.0.7 xmlm.1.4.0
          piqilib&ocaml&ocaml-base-compiler ocaml-variants
          ocaml-base-compiler ocaml ocaml-base-compiler
- camlp4 -> (problem)
    piqilib 0.6.6 requires < 4.02
    Rejected candidates:
      camlp4.5.3: Requires ocaml >= 5.3 & < 5.4
      camlp4.5.2: Requires ocaml >= 5.2 & < 5.3
      camlp4.5.1: Incompatible with restriction: < 4.02
      camlp4.5.0: Requires ocaml >= 5.0 & < 5.1~~
      camlp4.4.14+1: Requires ocaml >= 4.14 & < 4.15
      ...
- 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
      ...
- piqilib -> piqilib.0.6.6
    User requested = 0.6.6
- ulex -> (problem)
    Rejected candidates:
      ulex.1.2: Requires ocaml < 5.0