57 lines
1.3 KiB
Nix
57 lines
1.3 KiB
Nix
{ lib
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, fetchurl
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, buildDunePackage
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, cppo
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, ppxlib
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, ppx_derivers
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, result
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, ounit
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, ocaml-migrate-parsetree
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, ocaml-migrate-parsetree-2
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}:
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let params =
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if lib.versionAtLeast ppxlib.version "0.20" then {
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version = "5.2.1";
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sha256 = "11h75dsbv3rs03pl67hdd3lbim7wjzh257ij9c75fcknbfr5ysz9";
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useOMP2 = true;
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} else if lib.versionAtLeast ppxlib.version "0.15" then {
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version = "5.1";
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sha256 = "1i64fd7qrfzbam5hfbl01r0sx4iihsahcwqj13smmrjlnwi3nkxh";
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useOMP2 = false;
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} else {
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version = "5.0";
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sha256 = "0fkzrn4pdyvf1kl0nwvhqidq01pnq3ql8zk1jd56hb0cxaw851w3";
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useOMP2 = false;
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}
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; in
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buildDunePackage rec {
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pname = "ppx_deriving";
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inherit (params) version;
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useDune2 = true;
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src = fetchurl {
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url = "https://github.com/ocaml-ppx/ppx_deriving/releases/download/v${version}/ppx_deriving-v${version}.tbz";
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inherit (params) sha256;
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};
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buildInputs = [ ppxlib cppo ];
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propagatedBuildInputs = [
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(if params.useOMP2
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then ocaml-migrate-parsetree-2
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else ocaml-migrate-parsetree)
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ppx_derivers
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result
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];
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doCheck = true;
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checkInputs = [ ounit ];
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meta = with lib; {
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description = "deriving is a library simplifying type-driven code generation on OCaml >=4.02.";
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maintainers = [ maintainers.maurer ];
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license = licenses.mit;
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};
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}
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