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 2.77 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 cppo_ocamlbuild.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_tools.5.0+4.02.0 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 -> ppx_deriving.3.3
ppx_deriving_yojson 2.4 requires >= 2.0 & < 4.0
- ppx_deriving_yojson -> ppx_deriving_yojson.2.4
User requested = 2.4
- yojson -> yojson.1.5.0
ppx_deriving_yojson 2.4 requires < 1.6.0