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/libraries/waylandpp/default.nix

@@ -0,0 +1,52 @@
+{ lib, stdenv
+, fetchFromGitHub
+, cmake
+, makeFontsConf
+, pkg-config
+, pugixml
+, wayland
+, libGL
+, libffi
+, buildPackages
+, docSupport ? true
+, doxygen
+, graphviz
+}:
+
+stdenv.mkDerivation rec {
+  pname = "waylandpp";
+  version = "1.0.0";
+
+  src = fetchFromGitHub {
+    owner = "NilsBrause";
+    repo = pname;
+    rev = version;
+    hash = "sha256-Dw2RnLLyhykikHps1in+euHksO+ERbATbfmbUFOJklg=";
+  };
+
+  cmakeFlags = [
+    "-DCMAKE_INSTALL_DATADIR=${placeholder "dev"}"
+  ] ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
+    "-DWAYLAND_SCANNERPP=${buildPackages.waylandpp}/bin/wayland-scanner++"
+  ];
+
+  # Complains about not being able to find the fontconfig config file otherwise
+  FONTCONFIG_FILE = lib.optional docSupport (makeFontsConf { fontDirectories = [ ]; });
+
+  nativeBuildInputs = [ cmake pkg-config ] ++ lib.optionals docSupport [ doxygen graphviz ];
+  buildInputs = [ pugixml wayland libGL libffi ];
+
+  outputs = [ "bin" "dev" "lib" "out" ] ++ lib.optionals docSupport [ "doc" "devman" ];
+
+  # Resolves the warning "Fontconfig error: No writable cache directories"
+  preBuild = ''
+    export XDG_CACHE_HOME="$(mktemp -d)"
+  '';
+
+  meta = with lib; {
+    description = "Wayland C++ binding";
+    homepage = "https://github.com/NilsBrause/waylandpp/";
+    license = with lib.licenses; [ bsd2 hpnd ];
+    maintainers = with lib.maintainers; [ minijackson ];
+  };
+}