tjh.dev
1{
2 stdenv,
3 lib,
4 fetchFromGitHub,
5 ocaml,
6 findlib,
7 ocamlbuild,
8 camlp4,
9}:
10
11let
12 pname = "ulex";
13 param =
14 if lib.versionAtLeast ocaml.version "4.02" then
15 {
16 version = "1.2";
17 sha256 = "08yf2x9a52l2y4savjqfjd2xy4pjd1rpla2ylrr9qrz1drpfw4ic";
18 }
19 else
20 {
21 version = "1.1";
22 sha256 = "0cmscxcmcxhlshh4jd0lzw5ffzns12x3bj7h27smbc8waxkwffhl";
23 };
24in
25
26lib.throwIf (lib.versionAtLeast ocaml.version "5.0")
27 "ulex is not available for OCaml ${ocaml.version}"
28
29 stdenv.mkDerivation
30 rec {
31 name = "ocaml${ocaml.version}-${pname}-${version}";
32 inherit (param) version;
33
34 src = fetchFromGitHub {
35 owner = "whitequark";
36 repo = pname;
37 rev = "v${version}";
38 inherit (param) sha256;
39 };
40
41 createFindlibDestdir = true;
42
43 nativeBuildInputs = [
44 ocaml
45 findlib
46 ocamlbuild
47 camlp4
48 ];
49 propagatedBuildInputs = [ camlp4 ];
50
51 strictDeps = true;
52
53 buildFlags = [
54 "all"
55 "all.opt"
56 ];
57
58 meta = {
59 inherit (src.meta) homepage;
60 description = "Lexer generator for Unicode and OCaml";
61 license = lib.licenses.mit;
62 inherit (ocaml.meta) platforms;
63 maintainers = [ lib.maintainers.roconnor ];
64 };
65 }