uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/ocaml-modules/lwt/default.nix

@@ -0,0 +1,34 @@
+{ lib, fetchFromGitHub, pkg-config, ncurses, libev, buildDunePackage, ocaml
+, cppo, dune-configurator, ocplib-endian, result
+, mmap, seq
+, ocaml-syntax-shims
+}:
+
+let inherit (lib) optional versionOlder; in
+
+buildDunePackage rec {
+  pname = "lwt";
+  version = "5.5.0";
+
+  src = fetchFromGitHub {
+    owner = "ocsigen";
+    repo = "lwt";
+    rev = version;
+    sha256 = "sha256:1jbjz2rsz3j56k8vh5qlmm87hhkr250bs2m3dvpy9vsri8rkzj9z";
+  };
+
+  strictDeps = true;
+
+  nativeBuildInputs = [ pkg-config cppo ]
+    ++ optional (versionOlder ocaml.version "4.08") ocaml-syntax-shims;
+  buildInputs = [ dune-configurator ]
+    ++ optional (versionOlder ocaml.version "4.07") ncurses;
+  propagatedBuildInputs = [ libev mmap ocplib-endian seq result ];
+
+  meta = {
+    homepage = "https://ocsigen.org/lwt/";
+    description = "A cooperative threads library for OCaml";
+    maintainers = [ lib.maintainers.vbgl ];
+    license = lib.licenses.mit;
+  };
+}