Package diffast-langs-fortran-parsing-cli

Failed to find a solution:

no platform:
2026-02-04 14:35.49 [INFO] Solving for ocaml-base-compiler,
                           diffast-langs-fortran-parsing-cli, constraints ocaml-base-compiler<=5.4.0,
                           diffast-langs-fortran-parsing-cli=0.3.5.1 using opam_repository_commit 45c04602c2fc908af6d1b17ba39c7517d58cb274

2026-02-04 14:35.49 [INFO] base: eliminated all possibilities in 0.27 s

2026-02-04 14:35.49 [INFO] = base =

2026-02-04 14:35.49 [INFO] Can't find all required versions.
Selected: base-threads.base base-unix.base base64.3.5.2 bytesrw.0.3.0
          camlp-streams.5.0.1 conf-gmp.5 conf-gmp-powm-sec.4
          conf-pkg-config.4 conf-zlib.1 cppo.1.8.0 cryptokit.1.21.1
          csexp.1.5.2 dune.3.21.0 dune-configurator.3.21.0 gen.1.1
          markup.1.0.3 menhir.20260122 menhirCST.20260122 menhirGLR.20260122
          menhirLib.20260122 menhirSdk.20260122 ocaml.5.6.0 ocamlbuild.0.16.1
          ocamlfind.1.9.8 sedlex.3.7 seq.base sexplib0.v0.17.0
          stdlib-shims.0.3.0 topkg.1.1.1 uchar.0.0.2 uutf.1.0.4 vlt.0.2.5
          zarith.1.14 diffast-langs-fortran-parsing-cli&ocaml-base-compiler
          ocaml-base-compiler
- diffast-etc -> diffast-etc.0.3.5.1
    diffast-langs-fortran-parsing-cli 0.3.5.1 requires = 0.3.5.1
- diffast-langs-common -> (problem)
    Rejected candidates:
      diffast-langs-common.0.3.6: Requires diffast-misc = 0.3.6
      diffast-langs-common.0.3.5.1: Requires ocaml >= 4.14 & < 5.4
      diffast-langs-common.0.2: Requires ocaml >= 4.14 & < 5.4
      diffast-langs-common.0.1.1: Requires ocaml >= 4.14 & < 5.4
      diffast-langs-common.0.1: Requires ocaml >= 4.14 & < 5.4
- diffast-langs-fortran-parsing -> diffast-langs-fortran-parsing.0.3.5.1
    diffast-langs-fortran-parsing-cli 0.3.5.1 requires = 0.3.5.1
- diffast-langs-fortran-parsing-cli -> diffast-langs-fortran-parsing-cli.0.3.5.1
    User requested = 0.3.5.1
- diffast-misc -> diffast-misc.0.3.5.1
    diffast-langs-fortran-parsing-cli 0.3.5.1 requires = 0.3.5.1
- ocaml-base-compiler -> (problem)
    User requested <= 5.4.0
    ocaml-base-compiler|ocaml-variants|ocaml-system|dkml-base-compiler ocaml-base-compiler requires = 5.6.0
    Rejected candidates:
      ocaml-base-compiler.5.4.0: Incompatible with restriction: = 5.6.0
      ocaml-base-compiler.5.4.0~rc1: Incompatible with restriction: = 5.6.0
      ocaml-base-compiler.5.4.0~beta2: Incompatible with restriction: = 5.6.0
      ocaml-base-compiler.5.4.0~beta1: Incompatible with restriction: = 5.6.0
      ocaml-base-compiler.5.4.0~alpha1: Incompatible with restriction: = 5.6.0
      ...
- odoc -> (problem)
    dune 3.21.0 requires not(< 2.0.1)
    Rejected candidates:
      odoc.3.1.0: Requires ocaml >= 4.08.0 & < 5.5
      odoc.3.0.0: Requires ocaml >= 4.02.0 & < 5.4
      odoc.2.1.1: Requires ocaml >= 4.02.0 & < 5.1
      odoc.1.5.3: Incompatible with restriction: not(< 2.0.1)
- ppxlib -> (problem)
    diffast-misc 0.3.5.1 requires >= 0.36.2
    Rejected candidates:
      ppxlib.0.37.0: Requires ocaml >= 4.08.0 & < 5.5.0
      ppxlib.0.36.2: Requires ocaml >= 4.08.0 & < 5.4.0
      ppxlib.0.36.0: Incompatible with restriction: >= 0.36.2
      ppxlib.0.35.0: Incompatible with restriction: >= 0.36.2
      ppxlib.0.34.0: Incompatible with restriction: >= 0.36.2
      ...
- threads -> (problem)
    No known implementations at all