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/tools/ocaml/merlin/4.x.nix

@@ -0,0 +1,88 @@
+{ lib
+, substituteAll
+, fetchurl
+, ocaml
+, dune_2
+, buildDunePackage
+, yojson
+, csexp
+, result
+, dot-merlin-reader
+, jq
+, menhir
+, menhirLib
+, menhirSdk
+}:
+
+let
+  merlinVersion = "4.5";
+
+  hashes = {
+    "4.5-411" = "sha256:05nz6y7r91rh0lj8b6xdv3s3yknmvjc7y60v17kszgqnr887bvpn";
+    "4.5-412" = "sha256:0i5c3rfzinmwdjya7gv94zyknsm32qx9dlg472xpfqivwvnnhf1z";
+    "4.5-413" = "sha256:1sphq9anfg1qzrvj7hdcqflj6cmc1qiyfkljhng9fxnnr0i7550s";
+    "4.5-414" = "sha256:13h588kwih05zd9p3p7q528q4zc0d1l983kkvbmkxgay5d17nn1i";
+  };
+
+  ocamlVersionShorthand = lib.concatStrings
+    (lib.take 2 (lib.splitVersion ocaml.version));
+
+  version = "${merlinVersion}-${ocamlVersionShorthand}";
+in
+
+if !lib.hasAttr version hashes
+then builtins.throw "merlin ${merlinVersion} is not available for OCaml ${ocaml.version}"
+else
+
+buildDunePackage {
+  pname = "merlin";
+  inherit version;
+
+  src = fetchurl {
+    url = "https://github.com/ocaml/merlin/releases/download/v${version}/merlin-${version}.tbz";
+    sha256 = hashes."${version}";
+  };
+
+  patches = [
+    (substituteAll {
+      src = ./fix-paths.patch;
+      dot_merlin_reader = "${dot-merlin-reader}/bin/dot-merlin-reader";
+      dune = "${dune_2}/bin/dune";
+    })
+  ] ++ lib.optional (lib.versionOlder ocaml.version "4.12")
+    # This fixes the test-suite on macOS
+    # See https://github.com/ocaml/merlin/pull/1399
+    # Fixed in 4.4 for OCaml ≥ 4.12
+    ./test.patch
+  ;
+
+  strictDeps = true;
+
+  nativeBuildInputs = [
+    menhir
+    jq
+  ];
+  buildInputs = [
+    dot-merlin-reader
+    yojson
+    csexp
+    result
+    menhirSdk
+    menhirLib
+  ];
+
+  doCheck = true;
+  checkPhase = ''
+    runHook preCheck
+    patchShebangs tests/merlin-wrapper
+    dune runtest # filtering with -p disables tests
+    runHook postCheck
+  '';
+
+  meta = with lib; {
+    description = "An editor-independent tool to ease the development of programs in OCaml";
+    homepage = "https://github.com/ocaml/merlin";
+    license = licenses.mit;
+    maintainers = [ maintainers.vbgl maintainers.sternenseemann ];
+  };
+}