Package benchmark

Failed to find a solution:

no platform:
2024-05-29 14:59.54 [INFO] Solving for ocaml-base-compiler, ocaml,
                           benchmark using opam_repository_commit 7311123dcaba6b163a96ad2219b8cc4e59df93a3

2024-05-29 15:00.01 [INFO] base: eliminated all possibilities in 3.10 s

2024-05-29 15:00.01 [INFO] = base =

2024-05-29 15:00.01 [INFO] Can't find all required versions.
Selected: base-bytes.backport base-ocamlbuild.base conf-libpcre.1
          conf-pkg-config.3 ocaml-config.3 ocamlfind.1.9.6 pcre.7.2.3
          benchmark&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler
- benchmark -> benchmark.1.2
    User requested = 1.2
- ocaml -> ocaml.4.01.0
    User requested <= 5.1.1
    base-bytes backport requires < 4.02.0
- ocaml-base-compiler -> (problem)
    User requested >= 4.04.1
    Rejected candidates:
      ocaml-base-compiler.5.2.0: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~rc1: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~beta2: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~beta1: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~alpha1: Requires ocaml = 5.2.0
      ...
- ocamlbuild -> ocamlbuild.0
    pcre 7.2.3 requires <> 0.9.0