Package ppx_deriving_yojson
Failed to find a solution:
no platform:
2024-01-29 15:09.32 [INFO] Solving for ocaml-base-compiler, ocaml,
ppx_deriving_yojson using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb
2024-01-29 15:09.38 [INFO] base: eliminated all possibilities in 3.00 s
2024-01-29 15:09.38 [INFO] = base =
2024-01-29 15:09.38 [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.3.13.0 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_deriving_yojson&ocaml&ocaml-base-compiler ocaml-base-compiler
ocaml-base-compiler ocaml&ocamlfind-secondary
- ocaml -> ocaml.4.02.4
User requested <= 5.1.0
base-ocamlbuild base requires >= 3.10 & < 4.03
- 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
...
- ppx_deriving -> (problem)
ppx_deriving_yojson 2.0 requires >= 1.0 & < 2.0
Rejected candidates:
ppx_deriving.5.2.1: Requires ocaml >= 4.05.0
ppx_deriving.5.2: Requires ocaml >= 4.05.0
ppx_deriving.5.1: Requires ocaml >= 4.05.0 & < 4.12
ppx_deriving.5.0: Requires ocaml >= 4.05.0 & < 4.12
ppx_deriving.4.5-1: Incompatible with restriction: >= 1.0 & < 2.0
...
- ppx_deriving_yojson -> ppx_deriving_yojson.2.0
User requested = 2.0
- yojson -> yojson.1.5.0
ppx_deriving_yojson 2.0 requires < 1.6.0