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/games/sdlpop/default.nix

@@ -0,0 +1,70 @@
+{ lib, stdenv
+, makeWrapper
+, makeDesktopItem, copyDesktopItems
+, fetchFromGitHub
+, pkg-config
+, SDL2, SDL2_image
+}:
+
+stdenv.mkDerivation rec {
+  pname = "sdlpop";
+  version = "1.22";
+
+  src = fetchFromGitHub {
+    owner = "NagyD";
+    repo = "SDLPoP";
+    rev = "v${version}";
+    sha256 = "1yy5r1r0hv0xggk8qd8bwk2zy7abpv89nikq4flqgi53fc5q9xl7";
+  };
+
+  nativeBuildInputs = [ pkg-config makeWrapper copyDesktopItems ];
+
+  buildInputs = [ SDL2 SDL2_image ];
+
+  makeFlags = [ "-C" "src" ];
+
+  preBuild = ''
+    substituteInPlace src/Makefile \
+      --replace "CC = gcc" "CC = ${stdenv.cc.targetPrefix}cc" \
+      --replace "CFLAGS += -I/opt/local/include" "CFLAGS += -I${SDL2.dev}/include/SDL2 -I${SDL2_image}/include/SDL2"
+  '';
+
+  # The prince binary expects two things of the working directory it is called from:
+  # (1) There is a subdirectory "data" containing the level data.
+  # (2) The working directory is writable, so save and quicksave files can be created.
+  # Our solution is to ensure that ~/.local/share/sdlpop is the working
+  # directory, symlinking the data files into it. This is the task of the
+  # prince.sh wrapper.
+
+  installPhase = ''
+    runHook preInstall
+
+    install -Dm755 prince $out/bin/.prince-bin
+    substituteAll ${./prince.sh} $out/bin/prince
+    chmod +x $out/bin/prince
+
+    mkdir -p $out/share/sdlpop
+    cp -r data doc mods SDLPoP.ini $out/share/sdlpop
+
+    install -Dm755 data/icon.png $out/share/icons/hicolor/32x32/apps/sdlpop.png
+
+    runHook postInstall
+  '';
+
+  desktopItems = [ (makeDesktopItem {
+    name = "sdlpop";
+    icon = "sdlpop";
+    exec = "prince";
+    desktopName = "SDLPoP";
+    comment = "An open-source port of Prince of Persia";
+    categories = [ "Game" "AdventureGame" ];
+  }) ];
+
+  meta = with lib; {
+    description = "Open-source port of Prince of Persia";
+    homepage = "https://github.com/NagyD/SDLPoP";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ iblech ];
+    platforms = platforms.unix;
+  };
+}