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{ stdenv, fetchzip, ocaml, findlib, cppo, easy-format, biniou }:
let
pname = "yojson";
param =
if stdenv.lib.versionAtLeast ocaml.version "4.01" then {
version = "1.3.3";
sha256 = "02l11facbr6bxrxq95vrcp1dxapp02kv7g4gq8rm62pb3dj5c6g7";
} else {
version = "1.2.3";
sha256 = "10dvkndgwanvw4agbjln7kgb1n9s6lii7jw82kwxczl5rd1sgmvl";
};
in
stdenv.mkDerivation {
name = "ocaml${ocaml.version}-${pname}-${param.version}";
src = fetchzip {
url = "https://github.com/mjambon/${pname}/archive/v${param.version}.tar.gz";
inherit (param) sha256;
};
buildInputs = [ ocaml findlib ];
propagatedBuildInputs = [ cppo easy-format biniou ];
createFindlibDestdir = true;
makeFlags = "PREFIX=$(out)";
preBuild = ''
mkdir $out/bin
'';
meta = with stdenv.lib; {
description = "An optimized parsing and printing library for the JSON format";
homepage = "http://mjambon.com/${pname}.html";
license = licenses.bsd3;
maintainers = [ maintainers.vbgl ];
platforms = ocaml.meta.platforms or [];
};
}
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