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/sodium/default.nix

@@ -0,0 +1,34 @@
+{ lib, stdenv, fetchFromGitHub, ocaml, findlib, ocamlbuild, ctypes, libsodium }:
+
+stdenv.mkDerivation rec {
+  pname = "ocaml${ocaml.version}-sodium";
+  version = "0.6.0";
+
+  src = fetchFromGitHub {
+    owner  = "dsheets";
+    repo   = "ocaml-sodium";
+    rev    = version;
+    sha256 = "124gpi1jhac46x05gp5viykyrafnlp03v1cmkl13c6pgcs8w04pv";
+  };
+
+  patches = [
+    # ctypes.stubs no longer pulls in bigarray automatically
+    ./lib-gen-link-bigarray.patch
+  ];
+
+  nativeBuildInputs = [ ocaml findlib ocamlbuild ];
+  propagatedBuildInputs = [ ctypes libsodium ];
+
+  strictDeps = true;
+
+  createFindlibDestdir = true;
+
+  hardeningDisable = lib.optional stdenv.isDarwin "strictoverflow";
+
+  meta = with lib; {
+    homepage = "https://github.com/dsheets/ocaml-sodium";
+    description = "Binding to libsodium 1.0.9+";
+    inherit (ocaml.meta) platforms;
+    maintainers = [ maintainers.rixed ];
+  };
+}

pkgs/development/ocaml-modules/sodium/lib-gen-link-bigarray.patch

@@ -0,0 +1,7 @@
+diff --git a/lib_gen/_tags b/lib_gen/_tags
+index 7a7e632..7a4e0b7 100644
+--- a/lib_gen/_tags
++++ b/lib_gen/_tags
+@@ -1 +1 @@
+-<*.{ml,byte,native}>: package(ctypes.stubs)
++<*.{ml,byte,native}>: package(ctypes.stubs), package(bigarray)