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/vapoursynth/default.nix

@@ -0,0 +1,60 @@
+{ lib, stdenv, fetchFromGitHub, pkg-config, autoreconfHook, makeWrapper
+, runCommandCC, runCommand, vapoursynth, writeText, patchelf, buildEnv
+, zimg, libass, python3, libiconv
+, ApplicationServices
+}:
+
+stdenv.mkDerivation rec {
+  pname = "vapoursynth";
+  version = "59";
+
+  src = fetchFromGitHub {
+    owner  = "vapoursynth";
+    repo   = "vapoursynth";
+    rev    = "R${version}";
+    sha256 = "sha256-6w7GSC5ZNIhLpulni4sKq0OvuxHlTJRilBFGH5PQW8U=";
+  };
+
+  patches = [
+    ./0001-Call-weak-function-to-allow-adding-preloaded-plugins.patch
+  ];
+
+  nativeBuildInputs = [ pkg-config autoreconfHook makeWrapper ];
+  buildInputs = [
+    zimg libass
+    (python3.withPackages (ps: with ps; [ sphinx cython ]))
+  ] ++ lib.optionals stdenv.isDarwin [ libiconv ApplicationServices ];
+
+  enableParallelBuilding = true;
+
+  passthru = rec {
+    # If vapoursynth is added to the build inputs of mpv and then
+    # used in the wrapping of it, we want to know once inside the
+    # wrapper, what python3 version was used to build vapoursynth so
+    # the right python3.sitePackages will be used there.
+    inherit python3;
+
+    withPlugins = import ./plugin-interface.nix {
+      inherit lib python3 buildEnv writeText runCommandCC stdenv runCommand
+        vapoursynth makeWrapper withPlugins;
+    };
+  };
+
+  postInstall = ''
+    wrapProgram $out/bin/vspipe \
+        --prefix PYTHONPATH : $out/${python3.sitePackages}
+
+    # VapourSynth does not include any plugins by default
+    # and emits a warning when the system plugin directory does not exist.
+    mkdir $out/lib/vapoursynth
+  '';
+
+  meta = with lib; {
+    broken = stdenv.isDarwin;
+    description = "A video processing framework with the future in mind";
+    homepage    = "http://www.vapoursynth.com/";
+    license     = licenses.lgpl21;
+    platforms   = platforms.x86_64;
+    maintainers = with maintainers; [ rnhmjoj sbruder tadeokondrak ];
+  };
+}