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/web/cog/default.nix

@@ -0,0 +1,68 @@
+{ stdenv
+, lib
+, fetchFromGitHub
+, cmake
+, pkg-config
+, wayland
+, wayland-protocols
+, libwpe
+, libwpe-fdo
+, glib-networking
+, webkitgtk
+, makeWrapper
+, wrapGAppsHook
+, gnome
+, gdk-pixbuf
+}:
+
+stdenv.mkDerivation rec {
+  pname = "cog";
+  version = "0.8.1";
+
+  src = fetchFromGitHub {
+    owner = "igalia";
+    repo = "cog";
+    rev = "v${version}";
+    sha256 = "sha256-eF7rvOjZntcMmn622342yqfp4ksZ6R/FFBT36bYCViE=";
+  };
+
+  buildInputs = [
+    wayland-protocols
+    wayland
+    libwpe
+    libwpe-fdo
+    webkitgtk
+    glib-networking
+    gdk-pixbuf
+    gnome.adwaita-icon-theme
+  ];
+
+  nativeBuildInputs = [
+    cmake
+    pkg-config
+    wayland
+    makeWrapper
+    wrapGAppsHook
+  ];
+
+  depsBuildsBuild = [
+    pkg-config
+  ];
+
+  cmakeFlags = [
+    "-DCOG_USE_WEBKITGTK=ON"
+  ];
+
+  # not ideal, see https://github.com/WebPlatformForEmbedded/libwpe/issues/59
+  preFixup = ''
+    wrapProgram $out/bin/cog \
+      --prefix LD_LIBRARY_PATH : ${libwpe-fdo}/lib
+  '';
+
+  meta = with lib; {
+    description = "A small single “window” launcher for the WebKit WPE port";
+    license = licenses.mit;
+    maintainers = [ maintainers.matthewbauer ];
+    platforms = platforms.linux;
+  };
+}