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/h2/default.nix

@@ -0,0 +1,59 @@
+{ buildDunePackage
+, lib
+, fetchFromGitHub
+, ocaml
+, hpack
+, angstrom
+, faraday
+, base64
+, psq
+, httpaf
+, alcotest
+, yojson
+, hex
+}:
+
+let
+  http2-frame-test-case = fetchFromGitHub {
+    owner = "http2jp";
+    repo = "http2-frame-test-case";
+    rev = "5c67db0d4d68e1fb7d3a241d6e01fc04d981f465";
+    sha256 = "16yyb37f8mk9saw7ndjs5is67yq7qa6b6y7k0c75ibxi4n9aw1r3";
+  };
+in
+
+buildDunePackage rec {
+  pname = "h2";
+
+  inherit (hpack)
+    version
+    src
+    useDune2
+    ;
+
+  minimumOCamlVersion = "4.06";
+
+  propagatedBuildInputs = [
+    angstrom
+    faraday
+    base64
+    psq
+    hpack
+    httpaf
+  ];
+
+  # Tests fail with 4.06
+  doCheck = lib.versionAtLeast ocaml.version "4.07";
+  preCheck = ''
+    ln -s "${http2-frame-test-case}" lib_test/http2-frame-test-case
+  '';
+  checkInputs = [
+    alcotest
+    yojson
+    hex
+  ];
+
+  meta = hpack.meta // {
+    description = "A high-performance, memory-efficient, and scalable HTTP/2 library for OCaml";
+  };
+}