tjh.dev
1{
2 lib,
3 fetchurl,
4 buildDunePackage,
5 ocaml,
6 findlib,
7 cppo,
8 ppxlib,
9 ppx_derivers,
10 result,
11 ounit,
12 ounit2,
13 ocaml-migrate-parsetree,
14 version ?
15 if lib.versionAtLeast ppxlib.version "0.32" then
16 "6.0.3"
17 else if lib.versionAtLeast ppxlib.version "0.20" then
18 "5.2.1"
19 else if lib.versionAtLeast ppxlib.version "0.15" then
20 "5.1"
21 else
22 "5.0",
23}:
24
25let
26 hash =
27 {
28 "6.0.3" = "sha256-N0qpezLF4BwJqXgQpIv6IYwhO1tknkRSEBRVrBnJSm0=";
29 "5.2.1" = "sha256:11h75dsbv3rs03pl67hdd3lbim7wjzh257ij9c75fcknbfr5ysz9";
30 "5.1" = "sha256:1i64fd7qrfzbam5hfbl01r0sx4iihsahcwqj13smmrjlnwi3nkxh";
31 "5.0" = "sha256:0fkzrn4pdyvf1kl0nwvhqidq01pnq3ql8zk1jd56hb0cxaw851w3";
32 }
33 ."${version}";
34in
35
36buildDunePackage rec {
37 pname = "ppx_deriving";
38 inherit version;
39
40 src = fetchurl {
41 url = "https://github.com/ocaml-ppx/ppx_deriving/releases/download/v${version}/ppx_deriving-${lib.optionalString (lib.versionOlder version "6.0") "v"}${version}.tbz";
42 inherit hash;
43 };
44
45 strictDeps = true;
46
47 nativeBuildInputs = [ cppo ];
48 buildInputs = [
49 findlib
50 ppxlib
51 ];
52 propagatedBuildInputs =
53 lib.optional (lib.versionOlder version "5.2") ocaml-migrate-parsetree
54 ++ [
55 ppx_derivers
56 ]
57 ++ lib.optional (lib.versionOlder version "6.0") result;
58
59 doCheck = lib.versionAtLeast ocaml.version "4.08";
60 checkInputs = [
61 (if lib.versionAtLeast version "5.2" then ounit2 else ounit)
62 ];
63
64 meta = with lib; {
65 description = "Library simplifying type-driven code generation on OCaml >=4.02";
66 maintainers = [ maintainers.maurer ];
67 license = licenses.mit;
68 };
69}