Package chamo

Failed to find a solution:

no platform:
2025-03-07 02:42.37 [INFO] Solving for ocaml-base-compiler, ocaml,
                           chamo using opam_repository_commit 8707d628f2beb80e7f60b89d60c33bdf2ffd9026

2025-03-07 02:43.09 [INFO] base: eliminated all possibilities in 0.44 s

2025-03-07 02:43.09 [INFO] = base =

2025-03-07 02:43.09 [INFO] Can't find all required versions.
Selected: angstrom.0.16.1 base-bigarray.base base-bytes.base
          base-domains.base base-effects.base base-nnp.base base-threads.base
          base-unix.base bigarray-compat.1.1.0 bigstringaf.0.10.0
          conf-libffi.2.0.0 conf-libpcre.2 conf-pkg-config.4 conf-sdl2.1
          conf-sdl2-image.1 conf-sdl2-ttf.1 cppo.1.8.0 csexp.1.5.2 css.0.3.0
          ctypes.0.23.0 ctypes-foreign.0.23.0 dune.3.17.2
          dune-build-info.3.17.2 dune-configurator.3.17.2 fmt.0.9.0 gen.1.1
          higlo.0.10.0 integers.0.7.0 iri.1.0.0 jsonm.1.0.2 logs.0.7.0
          lwt.5.9.0 lwt_ppx.5.8.0 menhir.20240715 menhirCST.20240715
          menhirLib.20240715 menhirSdk.20240715 ocaml-compiler.5.3.0
          ocaml-compiler-libs.v0.17.0 ocaml-options-vanilla.1
          ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8
          ocf.0.9.0 ocf_ppx.0.9.0 ocplib-endian.1.2 pcre.8.0.3 ppx_blob.0.9.0
          ppx_derivers.1.2.1 ptime.1.2.0 rdf.1.0.0 re.1.12.0 sedlex.3.3
          seq.base sexplib0.v0.17.0 stdlib-shims.0.3.0 stk.0.4.0
          stk_iconv.0.4.0 stk_ocf.0.4.0 stk_ppx.0.4.0 stringext.1.6.0
          topkg.1.0.7 tsdl.1.1.0 tsdl-image.0.6 tsdl-ttf.0.6 uri.4.4.0
          uucp.16.0.0 uuidm.0.9.9 uunf.16.0.0 uutf.1.0.3 xmlm.1.4.0
          xtmpl.1.0.0 xtmpl_ppx.1.0.0 yojson.2.2.2
          chamo&ocaml&ocaml-base-compiler ocaml system-mingw
          system-mingw|system-msvc&winpthreads ocaml base-domains
          ocaml-variants ocaml-base-compiler
- chamo -> chamo.4.2.0
    User requested = 4.2.0
- ocaml -> (problem)
    User requested <= 5.0.0
    angstrom 0.16.1 requires >= 4.04.0
    bigstringaf 0.10.0 requires >= 4.08.0
    chamo 4.2.0 requires >= 5.2.0
    Rejected candidates:
      ocaml.5.0.0: Incompatible with restriction: >= 5.2.0
      ocaml.4.14.3: Incompatible with restriction: >= 5.2.0
      ocaml.4.14.2: Incompatible with restriction: >= 5.2.0
      ocaml.4.14.1: Incompatible with restriction: >= 5.2.0
      ocaml.4.14.0: Incompatible with restriction: >= 5.2.0
      ...
- ocaml-base-compiler -> ocaml-base-compiler.5.3.0
    User requested >= 4.04.1
- 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
      ...
- ppxlib -> ppxlib.0.35.0
    lwt_ppx 5.8.0 requires >= 0.16.0 & < 0.36.0
- system-mingw -> (problem)
    No usable implementations:
      system-mingw.1: Availability condition not satisfied