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/emulators/mednafen/default.nix

@@ -0,0 +1,98 @@
+{ lib
+, stdenv
+, fetchurl
+, SDL2
+, SDL2_net
+, alsa-lib
+, flac
+, freeglut
+, libGL
+, libGLU
+, libX11
+, libcdio
+, libjack2
+, libsamplerate
+, libsndfile
+, pkg-config
+, zlib
+, libiconv
+}:
+
+stdenv.mkDerivation rec {
+  pname = "mednafen";
+  version = "1.29.0";
+
+  src = fetchurl {
+    url = "https://mednafen.github.io/releases/files/${pname}-${version}.tar.xz";
+    hash = "sha256-2j+88Ch3+b4PAov6XRy1npU6QEm5D+fjk4ijOG2fNi4=";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = [
+    SDL2
+    SDL2_net
+    flac
+    freeglut
+    libcdio
+    libjack2
+    libsamplerate
+    libsndfile
+    zlib
+  ] ++ lib.optionals stdenv.hostPlatform.isLinux [
+    alsa-lib
+    libGL
+    libGLU
+    libX11
+  ] ++ lib.optionals stdenv.hostPlatform.isDarwin [
+    libiconv
+  ];
+
+  hardeningDisable = [ "pic" "format" ];
+
+  enableParallelBuilding = true;
+
+  postInstall = ''
+    mkdir -p $out/share/doc
+    mv Documentation $out/share/doc/mednafen
+  '';
+
+  meta = with lib; {
+    homepage = "https://mednafen.github.io/";
+    description = "A portable, CLI-driven, SDL+OpenGL-based, multi-system emulator";
+    longDescription = ''
+      Mednafen is a portable, utilizing OpenGL and SDL,
+      argument(command-line)-driven multi-system emulator. Mednafen has the
+      ability to remap hotkey functions and virtual system inputs to a keyboard,
+      a joystick, or both simultaneously. Save states are supported, as is
+      real-time game rewinding. Screen snapshots may be taken, in the PNG file
+      format, at the press of a button. Mednafen can record audiovisual movies
+      in the QuickTime file format, with several different lossless codecs
+      supported.
+
+      The following systems are supported (refer to the emulation module
+      documentation for more details):
+
+      - Apple II/II+
+      - Atari Lynx
+      - Neo Geo Pocket (Color)
+      - WonderSwan
+      - GameBoy (Color)
+      - GameBoy Advance
+      - Nintendo Entertainment System
+      - Super Nintendo Entertainment System/Super Famicom
+      - Virtual Boy
+      - PC Engine/TurboGrafx 16 (CD)
+      - SuperGrafx
+      - PC-FX
+      - Sega Game Gear
+      - Sega Genesis/Megadrive
+      - Sega Master System
+      - Sega Saturn (experimental, x86_64 only)
+      - Sony PlayStation
+    '';
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ AndersonTorres ];
+    platforms = platforms.unix;
+  };
+}

pkgs/applications/emulators/mednafen/server.nix

@@ -0,0 +1,21 @@
+{ lib, stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  pname = "mednafen-server";
+  version = "0.5.2";
+
+  src = fetchurl {
+    url = "https://mednafen.github.io/releases/files/mednafen-server-${version}.tar.xz";
+    sha256 = "0xm7dj5nwnrsv69r72rcnlw03jm0l8rmrg3s05gjfvxyqmlb36dq";
+  };
+
+  postInstall = "install -m 644 -Dt $out/share/mednafen-server standard.conf";
+
+  meta = with lib; {
+    description = "Netplay server for Mednafen";
+    homepage = "https://mednafen.github.io/";
+    license = licenses.gpl2;
+    maintainers = with maintainers; [ AndersonTorres ];
+    platforms = platforms.unix;
+  };
+}