nixpkgs/pkgs/development/ocaml-modules/ppx_derivers/default.nix

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{ stdenv, fetchFromGitHub, ocaml, findlib, jbuilder }:
if !stdenv.lib.versionAtLeast ocaml.version "4.02"
then throw "ppx_derivers is not available for OCaml ${ocaml.version}"
else
stdenv.mkDerivation rec {
name = "ocaml${ocaml.version}-ppx_derivers-${version}";
version = "1.0";
src = fetchFromGitHub {
owner = "diml";
repo = "ppx_derivers";
rev = version;
sha256 = "049yy9706lv1li6a1bibkz1qq2ixxbdyhf4f5w9pv71jc3dlpfy8";
};
buildInputs = [ ocaml findlib jbuilder ];
inherit (jbuilder) installPhase;
meta = {
description = "Shared [@@deriving] plugin registry";
license = stdenv.lib.licenses.bsd3;
maintainers = [ stdenv.lib.maintainers.vbgl ];
inherit (src.meta) homepage;
inherit (ocaml.meta) platforms;
};
}