{stdenv, fetchurl, ocaml, findlib, type_conv, camlp4}: if !stdenv.lib.versionAtLeast ocaml.version "3.12" || stdenv.lib.versionAtLeast ocaml.version "4.03" then throw "sexlib-108.08.00 is not available for OCaml ${ocaml.version}" else stdenv.mkDerivation { name = "ocaml-sexplib-108.08.00"; src = fetchurl { url = "https://ocaml.janestreet.com/ocaml-core/108.08.00/individual/sexplib-108.08.00.tar.gz"; sha256 = "11z1k1d7dbb5m957klgalimpr0r602xp5zkkbgbffib1bphasarg"; }; buildInputs = [ocaml findlib]; propagatedBuildInputs = [type_conv camlp4]; createFindlibDestdir = true; meta = with stdenv.lib; { branch = "108"; homepage = "https://ocaml.janestreet.com/"; description = "Library for serializing OCaml values to and from S-expressions"; license = licenses.asl20; maintainers = [ maintainers.vbgl ]; platforms = ocaml.meta.platforms or []; }; }