Package oasis

Failed to find a solution:

no platform:
2024-01-29 14:49.56 [INFO] Solving for ocaml-base-compiler, ocaml,
                           oasis using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 14:50.01 [INFO] base: eliminated all possibilities in 2.32 s

2024-01-29 14:50.01 [INFO] = base =

2024-01-29 14:50.01 [INFO] Can't find all required versions.
Selected: base-bytes.backport base-num.base base-ocamlbuild.base
          base-unix.base batteries.2.8.0 camlp4.4.02.0-1modular-implicits
          conf-libpcre.1 conf-pkg-config.3 conf-which.1 expect.0.0.6
          fileutils.0.6.0 num.0 ocaml-config.3 ocaml-data-notation.0.0.11
          ocamlfind.1.9.6 ocamlify.0.0.1 ounit.2.2.7 pcre.7.2.3
          type_conv.108.08.00 oasis&ocaml&ocaml-base-compiler
          ocaml-base-compiler ocaml-base-compiler
- extlib -> extlib.1.5.3
    oasis 0.2.0 requires = 1.5.3
- oasis -> oasis.0.2.0
    User requested = 0.2.0
- ocaml -> ocaml.3.12.1
    User requested <= 5.1.0
    base-bytes backport requires < 4.02.0
    oasis 0.2.0 requires < 4.00.0
- ocaml-base-compiler -> (problem)
    User requested >= 4.04.1
    Rejected candidates:
      ocaml-base-compiler.5.1.1: Requires ocaml = 5.1.1
      ocaml-base-compiler.5.1.1~rc1: Requires ocaml = 5.1.1
      ocaml-base-compiler.5.1.0: Requires ocaml = 5.1.0
      ocaml-base-compiler.5.1.0~rc3: Requires ocaml = 5.1.0
      ocaml-base-compiler.5.1.0~rc2: Requires ocaml = 5.1.0
      ...
- ocaml-variants -> (problem)
    camlp4 4.02.0-1modular-implicits requires = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
    Rejected candidates:
      ocaml-variants.5.3.0+trunk: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.2.0+trunk: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.1.2+trunk: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.1.1+tsan: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.1.1+options: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ...
- ocamlbuild -> ocamlbuild.0
    pcre 7.2.3 requires <> 0.9.0
- ocamlgraph -> ocamlgraph.1.8.2
    oasis 0.2.0 requires = 1.8.2
- ounit2 -> (problem)
    ounit 2.2.7 requires = 2.2.7
    Rejected candidates:
      ounit2.2.2.7: Requires ocaml >= 4.04.0
      ounit2.2.2.6: Incompatible with restriction: = 2.2.7
      ounit2.2.2.5: Incompatible with restriction: = 2.2.7
      ounit2.2.2.4: Incompatible with restriction: = 2.2.7
      ounit2.2.2.3: Incompatible with restriction: = 2.2.7
      ...
- stdlib-shims -> (problem)
    Rejected candidates:
      stdlib-shims.0.3.0: Requires ocaml >= 4.02.3
      stdlib-shims.0.1.0: Requires ocaml >= 4.02.3