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/networking/p2p/eiskaltdcpp/default.nix

@@ -0,0 +1,52 @@
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, bzip2, libX11
+, mkDerivation, qtbase, qttools, qtmultimedia, qtscript
+, libiconv, pcre-cpp, libidn, lua5, miniupnpc, aspell, gettext, perl }:
+
+mkDerivation rec {
+  pname = "eiskaltdcpp";
+  version = "2.4.2";
+
+  src = fetchFromGitHub {
+    owner = "eiskaltdcpp";
+    repo = "eiskaltdcpp";
+    rev = "v${version}";
+    sha256 = "sha256-JmAopXFS6MkxW0wDQ1bC/ibRmWgOpzU0971hcqAehLU=";
+  };
+
+  nativeBuildInputs = [ cmake pkg-config ];
+  buildInputs = [ qtbase qttools qtmultimedia qtscript bzip2 libX11 pcre-cpp libidn lua5 miniupnpc aspell gettext
+    (perl.withPackages (p: with p; [
+      GetoptLong
+      TermShellUI
+    ])) ]
+    ++ lib.optional stdenv.isDarwin libiconv;
+
+  cmakeFlags = [
+    "-DDBUS_NOTIFY=ON"
+    "-DFREE_SPACE_BAR_C=ON"
+    "-DLUA_SCRIPT=ON"
+    "-DPERL_REGEX=ON"
+    "-DUSE_ASPELL=ON"
+    "-DUSE_CLI_JSONRPC=ON"
+    "-DUSE_MINIUPNP=ON"
+    "-DUSE_JS=ON"
+    "-DWITH_LUASCRIPTS=ON"
+    "-DWITH_SOUNDS=ON"
+  ];
+
+  postInstall = ''
+    ln -s $out/bin/$pname-qt $out/bin/$pname
+  '';
+
+  preFixup = ''
+    substituteInPlace $out/bin/eiskaltdcpp-cli-jsonrpc \
+      --replace "/usr/local" "$out"
+  '';
+
+  meta = with lib; {
+    description = "A cross-platform program that uses the Direct Connect and ADC protocols";
+    homepage = "https://github.com/eiskaltdcpp/eiskaltdcpp";
+    license = licenses.gpl3Plus;
+    platforms = platforms.linux;
+  };
+}