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/sfxr/default.nix

@@ -0,0 +1,57 @@
+{ lib, stdenv
+, fetchurl
+, pkg-config
+, desktop-file-utils
+, SDL
+, gtk3
+, gsettings-desktop-schemas
+, wrapGAppsHook
+}:
+
+stdenv.mkDerivation rec {
+  pname = "sfxr";
+  version = "1.2.1";
+
+  src = fetchurl {
+    url = "http://www.drpetter.se/files/sfxr-sdl-${version}.tar.gz";
+    sha256 = "0dfqgid6wzzyyhc0ha94prxax59wx79hqr25r6if6by9cj4vx4ya";
+  };
+
+  postPatch = ''
+    substituteInPlace Makefile --replace "usr/" ""
+    substituteInPlace sdlkit.h --replace \
+      "/usr/share/sfxr/sfxr.bmp" \
+      "$out/share/sfxr/sfxr.bmp"
+    substituteInPlace main.cpp \
+      --replace \
+      "/usr/share/sfxr/font.tga" \
+      "$out/share/sfxr/font.tga" \
+      --replace \
+      "/usr/share/sfxr/ld48.tga" \
+      "$out/share/sfxr/ld48.tga"
+  '';
+
+  nativeBuildInputs = [
+    pkg-config
+    desktop-file-utils
+  ];
+
+  buildInputs = [
+    SDL
+    gtk3
+    gsettings-desktop-schemas
+    wrapGAppsHook
+  ];
+
+  makeFlags = [ "DESTDIR=$(out)" ];
+
+  meta = with lib; {
+    broken = stdenv.isDarwin;
+    homepage = "http://www.drpetter.se/project_sfxr.html";
+    description = "A videogame sound effect generator";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fgaz ];
+    platforms = platforms.unix;
+  };
+}
+