Package ojs-base

Failed to find a solution:

no platform:
2024-11-26 10:18.11 [INFO] Solving for ocaml-base-compiler, ocaml,
                           ojs-base using opam_repository_commit 3d52b66b04788999a23f22f0d59c2dfc831c4f32

2024-11-26 10:20.08 [INFO] base: eliminated all possibilities in 1.56 s

2024-11-26 10:20.08 [INFO] = base =

2024-11-26 10:20.08 [INFO] Can't find all required versions.
Selected: astring.0.8.3 base-bytes.base base-ocamlbuild.base
          base-threads.base base-unix.base biniou.1.2.2 camlp-streams.5.0.1
          camlp4.4.02.0-1modular-implicits cmdliner.1.0.2 conf-which.1
          cppo.1.7.0 cppo_ocamlbuild.1.7.0 dune.3.16.1 easy-format.1.3.2
          host-arch-x86_64.1 magic-mime.1.0.0 ocaml-config.3
          ocaml-options-vanilla.1 ocaml-secondary-compiler.4.14.2
          ocamlfind.1.9.6 ocamlfind-secondary.1.9.6 ocplib-endian.1.1
          topkg.1.0.0 uchar.0.0.2 websocket.2.12 xmlm.1.3.0
          ojs-base&ocaml&ocaml-base-compiler ocaml-variants
          ocaml-base-compiler system-mingw system-mingw|system-msvc
          ocaml&ocamlfind-secondary base-no-ppx base-no-ppx
          ocaml-base-compiler
- base-no-ppx -> (problem)
    Rejected candidates:
      base-no-ppx.base: Requires ocaml < 4.02.0
- base64 -> base64.2.3.0
    js_of_ocaml 2.8.4 requires >= 2.0.0 & < 3.0.0
- cohttp -> (problem)
    websocket 2.12 requires >= 1.1.0
    Rejected candidates:
      cohttp.6.0.0~beta2: Requires ocaml >= 4.08
      cohttp.6.0.0~alpha2: Requires ocaml >= 4.08
      cohttp.6.0.0~alpha1: Requires ocaml >= 4.08
      cohttp.6.0.0~alpha0: Requires base64 >= 3.1.0
      cohttp.5.3.1: Requires base64 >= 3.1.0
      ...
- js_of_ocaml -> js_of_ocaml.2.8.4
    ojs-base 0.3.0 requires >= 2.5 & < 3.0
- lwt -> lwt.3.0.0
    js_of_ocaml 2.8.4 requires >= 2.4.4 & < 4.0.0
- menhir -> menhir.20200211
    js_of_ocaml 2.8.4 requires < 20200525
- menhirLib -> menhirLib.20200211
    menhir 20200211 requires = 20200211
- menhirSdk -> menhirSdk.20200211
    menhir 20200211 requires = 20200211
- ocaml -> ocaml.4.02.4
    User requested <= 5.1.1
    astring 0.8.3 requires >= 4.01.0 & < 4.12.0
    base-ocamlbuild base requires >= 3.10 & < 4.03
- 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
      ...
- ocamlbuild -> ocamlbuild.0
    lwt 3.0.0 requires not(= 0.9.0)
- ojs-base -> ojs-base.0.3.0
    User requested = 0.3.0
- ppx_deriving_yojson -> (problem)
    ojs-base 0.3.0 requires >= 2.3
    Rejected candidates:
      ppx_deriving_yojson.3.9.0: Requires ocaml >= 4.05.0
      ppx_deriving_yojson.3.8.0: Requires ocaml >= 4.05.0
      ppx_deriving_yojson.3.7.0: Requires ocaml >= 4.05.0
      ppx_deriving_yojson.3.6.1: Requires ocaml >= 4.05.0
      ppx_deriving_yojson.3.6.0: Requires ocaml >= 4.05.0
      ...
- result -> result.1.4
    cmdliner 1.0.2 requires < 1.5
- system-mingw -> (problem)
    No usable implementations:
      system-mingw.1: Availability condition not satisfied
- xtmpl -> xtmpl.0.12
    ojs-base 0.3.0 requires >= 0.12 & < 0.13.0
- yojson -> yojson.1.7.0
    js_of_ocaml 2.8.4 requires < 2.0.0