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/ocaml-r/default.nix

@@ -0,0 +1,46 @@
+{ lib, fetchFromGitHub, buildDunePackage, pkg-config, dune-configurator, stdio, R
+, alcotest
+}:
+
+buildDunePackage rec {
+  pname = "ocaml-r";
+  version = "0.4.0";
+
+  useDune2 = true;
+
+  minimumOCamlVersion = "4.08";
+
+  src = fetchFromGitHub {
+    owner = "pveber";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "10is2s148kfh3g0pwniyzp5mh48k57ldvn8gm86469zvgxyij1ri";
+  };
+
+  # Without the following patch, stub generation fails with:
+  # > Fatal error: exception (Failure "not supported: osVersion")
+  preConfigure = ''
+    substituteInPlace stubgen/stubgen.ml --replace  \
+    'failwithf "not supported: %s" name ()' \
+    'sprintf "(* not supported: %s *)" name'
+    substituteInPlace lib/config/discover.ml --replace \
+    ' libRmath"' '"'
+  '';
+
+  # This currently fails with dune
+  strictDeps = false;
+
+  nativeBuildInputs = [ pkg-config R ];
+  buildInputs = [ dune-configurator stdio R ];
+
+  doCheck = true;
+  checkInputs = [ alcotest ];
+
+  meta = {
+    description = "OCaml bindings for the R interpreter";
+    inherit (src.meta) homepage;
+    license = lib.licenses.gpl3;
+    maintainers = [ lib.maintainers.bcdarwin ];
+  };
+
+}