Package dns-forward-lwt-unix

Failed to find a solution:

no platform:
2025-05-16 17:08.22 [INFO] Solving for ocaml-base-compiler,
                           dns-forward-lwt-unix, constraints ocaml-base-compiler<=5.3.0,
                           dns-forward-lwt-unix=0.9.0 using opam_repository_commit cf409d95af00ff822422bd76b657ed213b661401

2025-05-16 17:08.24 [INFO] base: eliminated all possibilities in 0.58 s

2025-05-16 17:08.24 [INFO] = base =

2025-05-16 17:08.24 [INFO] Can't find all required versions.
Selected: astring.0.8.5 base.v0.17.2 base-bytes.base base-unix.base
          conf-pkg-config.4 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0
          cstruct-lwt.6.2.0 dune-configurator.3.18.2 duration.0.2.1
          fmt.0.10.0 io-page.3.0.0 jbuilder.transition logs.0.8.0 lwt.5.9.1
          mirage-channel-lwt.3.2.0 mirage-clock-lwt.2.0.0
          mirage-clock-unix.2.0.0 mirage-time-lwt.1.3.0 mtime.2.1.0 num.1.5-1
          ocaml.5.5.0 ocaml-config.3 ocaml-options-vanilla.1
          ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8
          ocplib-endian.1.2 parsexp.v0.17.0 ppx_sexp_conv.v0.17.0
          ppxlib_jane.v0.17.2 result.1.5 rresult.0.7.0 sexplib.v0.17.0
          sexplib0.v0.17.0 topkg.1.0.8
          dns-forward-lwt-unix&ocaml-base-compiler ocaml-variants
          ocaml-base-compiler ocaml-base-compiler
- dns -> (problem)
    dns-forward 0.9.0 requires < 2.0.0
    Rejected candidates:
      dns.10.0.0: Incompatible with restriction: < 2.0.0
      dns.9.1.0: Incompatible with restriction: < 2.0.0
      dns.9.0.0: Incompatible with restriction: < 2.0.0
      dns.8.0.0: Incompatible with restriction: < 2.0.0
      dns.7.0.3: Incompatible with restriction: < 2.0.0
      ...
- dns-forward -> dns-forward.0.9.0
    dns-forward-lwt-unix 0.9.0 requires >= 0.9.0 & < 0.10.0
- dns-forward-lwt-unix -> dns-forward-lwt-unix.0.9.0
    User requested = 0.9.0
- dune -> (problem)
    base v0.17.2 requires >= 3.11.0
    Rejected candidates:
      dune.3.18.2: Requires jbuilder not(= transition)
      dune.3.18.1: Requires jbuilder not(= transition)
      dune.3.18.0: Requires jbuilder not(= transition)
      dune.3.17.2: Requires jbuilder not(= transition)
      dune.3.17.1: Requires jbuilder not(= transition)
      ...
- io-page-unix -> (problem)
    No usable implementations:
      io-page-unix.2.3.0: Availability condition not satisfied
      io-page-unix.2.2.0: Availability condition not satisfied
      io-page-unix.2.1.0: Availability condition not satisfied
      io-page-unix.2.0.1: Availability condition not satisfied
      io-page-unix.2.0.0: Availability condition not satisfied
- ipaddr -> (problem)
    dns-forward 0.9.0 requires < 3.0.0
    Rejected candidates:
      ipaddr.5.6.0: Incompatible with restriction: < 3.0.0
      ipaddr.5.5.0: Incompatible with restriction: < 3.0.0
      ipaddr.5.4.0: Incompatible with restriction: < 3.0.0
      ipaddr.5.3.1: Incompatible with restriction: < 3.0.0
      ipaddr.5.3.0: Incompatible with restriction: < 3.0.0
      ...
- mirage-channel -> mirage-channel.3.2.0
    mirage-channel-lwt 3.2.0 requires >= 3.0.0 & < 4.0.0
- mirage-clock -> mirage-clock.2.0.0
    mirage-clock-lwt 2.0.0 requires >= 1.2.0 & < 3.0.0
- mirage-device -> mirage-device.1.2.0
    mirage-clock 2.0.0 requires >= 1.0.0 & < 2.0.0
- mirage-flow -> mirage-flow.1.6.0
    mirage-channel 3.2.0 requires >= 1.2.0 & < 2.0.0
- mirage-flow-lwt -> (problem)
    Rejected candidates:
      mirage-flow-lwt.1.6.0: Requires cstruct >= 2.0.0 & < 6.1.0
      mirage-flow-lwt.1.5.0: Requires cstruct >= 2.0.0 & < 6.1.0
      mirage-flow-lwt.1.4.0: Requires lwt < 5.6.0
      mirage-flow-lwt.1.3.0: Requires lwt < 5.6.0
      mirage-flow-lwt.1.2.0: Requires fmt < 0.8.10
- mirage-time -> mirage-time.1.3.0
    mirage-time-lwt 1.3.0 requires >= 1.0.0 & < 2.0.0
- ocaml-base-compiler -> ocaml-base-compiler.5.3.0
    User requested <= 5.3.0
- ocaml-compiler -> (problem)
    ocaml-base-compiler 5.3.0 requires = 5.3.0
    Rejected candidates:
      ocaml-compiler.5.5: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.4: Incompatible with restriction: = 5.3.0
      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-variants -> (problem)
    Rejected candidates:
      ocaml-variants.5.5.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      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+BER: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ...
- ppxlib -> (problem)
    ppx_sexp_conv v0.17.0 requires >= 0.28.0 & < 0.36.0
    Rejected candidates:
      ppxlib.0.36.0: Incompatible with restriction: >= 0.28.0 & < 0.36.0
      ppxlib.0.35.0: Requires ocaml >= 4.08.0 & < 5.4.0
      ppxlib.0.34.0: Requires ocaml >= 4.04.1 & < 5.4.0
      ppxlib.0.33.0: Requires ocaml >= 4.04.1 & < 5.3.0
      ppxlib.0.32.1: Requires ocaml >= 4.04.1 & < 5.3.0
      ...