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/audio/roc-toolkit/default.nix

@@ -0,0 +1,72 @@
+{ stdenv,
+  lib,
+  fetchFromGitHub,
+  scons,
+  ragel,
+  gengetopt,
+  pkg-config,
+  libuv,
+  openfecSupport ? true,
+  openfec,
+  libunwindSupport ? true,
+  libunwind,
+  pulseaudioSupport ? true,
+  libpulseaudio
+}:
+
+stdenv.mkDerivation rec {
+  pname = "roc-toolkit";
+  version = "0.1.5";
+
+  src = fetchFromGitHub {
+    owner = "roc-streaming";
+    repo = "roc-toolkit";
+    rev = "v${version}";
+    sha256 = "sha256:1pld340zfch4p3qaf5anrspq7vmxrgf9ddsdsq92pk49axaaz19w";
+  };
+
+  nativeBuildInputs = [
+    scons
+    ragel
+    gengetopt
+    pkg-config
+  ];
+
+  buildInputs = [
+    libuv
+    libunwind
+    openfec
+    libpulseaudio
+  ];
+
+  sconsFlags =
+    [ "--build=${stdenv.buildPlatform.config}"
+      "--host=${stdenv.hostPlatform.config}"
+      "--prefix=${placeholder "out"}"
+      "--disable-sox"
+      "--disable-doc"
+      "--disable-tests" ] ++
+    lib.optional (!libunwindSupport) "--disable-libunwind" ++
+    lib.optional (!pulseaudioSupport) "--disable-pulseaudio" ++
+    (if (!openfecSupport)
+       then ["--disable-openfec"]
+       else [ "--with-libraries=${openfec}/lib"
+              "--with-openfec-includes=${openfec.dev}/include" ]);
+
+  prePatch = lib.optionalString stdenv.isAarch64
+    "sed -i 's/c++98/c++11/g' SConstruct";
+
+  # TODO: Remove these patches in the next version.
+  patches = [
+    ./0001-Remove-deprecated-scons-call.patch
+    ./0002-Fix-compatibility-with-new-SCons.patch
+  ];
+
+  meta = with lib; {
+    description = "Roc is a toolkit for real-time audio streaming over the network";
+    homepage = "https://github.com/roc-streaming/roc-toolkit";
+    license = licenses.mpl20;
+    maintainers = with maintainers; [ bgamari ];
+    platforms = platforms.unix;
+  };
+}