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/applications/audio/fluidsynth/default.nix

@@ -0,0 +1,32 @@
+{ stdenv, lib, fetchFromGitHub, buildPackages, pkg-config, cmake
+, alsa-lib, glib, libjack2, libsndfile, libpulseaudio
+, AudioUnit, CoreAudio, CoreMIDI, CoreServices
+}:
+
+stdenv.mkDerivation rec {
+  pname = "fluidsynth";
+  version = "2.2.5";
+
+  src = fetchFromGitHub {
+    owner = "FluidSynth";
+    repo = "fluidsynth";
+    rev = "v${version}";
+    sha256 = "sha256-aR8TLxl6OziP+DMSNro0DB/UtvzXDeDYQ3o/iy70XD4=";
+  };
+
+  nativeBuildInputs = [ buildPackages.stdenv.cc pkg-config cmake ];
+
+  buildInputs = [ glib libsndfile libjack2 ]
+    ++ lib.optionals stdenv.isLinux [ alsa-lib libpulseaudio ]
+    ++ lib.optionals stdenv.isDarwin [ AudioUnit CoreAudio CoreMIDI CoreServices ];
+
+  cmakeFlags = [ "-Denable-framework=off" ];
+
+  meta = with lib; {
+    description = "Real-time software synthesizer based on the SoundFont 2 specifications";
+    homepage    = "https://www.fluidsynth.org";
+    license     = licenses.lgpl21Plus;
+    maintainers = with maintainers; [ goibhniu lovek323 ];
+    platforms   = platforms.unix;
+  };
+}