Package ppx_deriving_yojson
Failed to find a solution:
no platform:
2024-05-29 15:02.38 [INFO] Solving for ocaml-base-compiler, ocaml,
ppx_deriving_yojson using opam_repository_commit 7311123dcaba6b163a96ad2219b8cc4e59df93a3
2024-05-29 15:02.45 [INFO] base: eliminated all possibilities in 3.04 s
2024-05-29 15:02.45 [INFO] = base =
2024-05-29 15:02.45 [INFO] Can't find all required versions.
Selected: base-ocamlbuild.base base-threads.base base-unix.base biniou.1.2.2
camlp-streams.5.0.1 cppo.1.6.9 dune.3.15.3 easy-format.1.3.2
ocaml-config.3 ocaml-secondary-compiler.4.08.1-1 ocamlbuild.0
ocamlfind.1.9.6 ocamlfind-secondary.1.9.6 ppx_derivers.1.2.1
ppx_deriving.4.5-1 ppx_tools.5.0+4.02.0 ppxfind.1.4 result.1.5
ppx_deriving_yojson&ocaml&ocaml-base-compiler ocaml-base-compiler
ocaml-base-compiler ocaml&ocamlfind-secondary
- ocaml -> ocaml.4.02.4
User requested <= 5.1.1
base-ocamlbuild base requires >= 3.10 & < 4.03
- 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
...
- ocaml-migrate-parsetree -> ocaml-migrate-parsetree.1.8.0
ppx_deriving 4.5-1 requires < 2.0.0
- ppx_deriving_yojson -> ppx_deriving_yojson.2.3
User requested = 2.3
- yojson -> yojson.1.5.0
ppx_deriving_yojson 2.3 requires < 1.6.0