Package ppx_deriving_yojson
Failed to find a solution:
no platform:
2024-09-12 08:26.31 [INFO] Solving for ocaml-base-compiler, ocaml,
ppx_deriving_yojson using opam_repository_commit 0329818dcfd3de1a722ea09eeeed94cd24caa375
2024-09-12 08:26.37 [INFO] base: eliminated all possibilities in 3.05 s
2024-09-12 08:26.37 [INFO] = base =
2024-09-12 08:26.37 [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.1.7.0 dune.3.16.0 easy-format.1.3.2
host-arch-x86_64.1 ocaml-config.3 ocaml-secondary-compiler.4.14.2
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 system-mingw
system-mingw|system-msvc 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
...
- ppx_deriving -> ppx_deriving.2.2
ppx_deriving_yojson 2.2 requires >= 2.0 & < 3.0
- ppx_deriving_yojson -> ppx_deriving_yojson.2.2
User requested = 2.2
- system-mingw -> (problem)
No usable implementations:
system-mingw.1: Availability condition not satisfied
- yojson -> yojson.1.5.0
ppx_deriving_yojson 2.2 requires < 1.6.0