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/offrss/default.nix

@@ -0,0 +1,37 @@
+{ lib, stdenv, fetchurl, curl, libmrss, podofo, libiconv }:
+
+stdenv.mkDerivation rec {
+  pname = "offrss";
+  version = "1.3";
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp offrss $out/bin
+  '';
+
+  buildInputs = [ curl libmrss ]
+    ++ lib.optional (stdenv.hostPlatform == stdenv.buildPlatform) podofo
+    ++ lib.optional (!stdenv.isLinux) libiconv;
+
+  configurePhase = ''
+    substituteInPlace Makefile \
+      --replace '$(CC) $(CFLAGS) $(LDFLAGS)' '$(CXX) $(CFLAGS) $(LDFLAGS)'
+  '' + lib.optionalString (!stdenv.isLinux) ''
+    sed 's/#EXTRA/EXTRA/' -i Makefile
+  '' + lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
+    sed 's/^PDF/#PDF/' -i Makefile
+  '';
+
+  src = fetchurl {
+    url = "http://vicerveza.homeunix.net/~viric/soft/offrss/offrss-${version}.tar.gz";
+    sha256 = "1akw1x84jj2m9z60cvlvmz21qwlaywmw18pl7lgp3bj5nw6250p6";
+  };
+
+  meta = with lib; {
+    homepage = "http://vicerveza.homeunix.net/~viric/cgi-bin/offrss";
+    description = "Offline RSS/Atom reader";
+    license = licenses.agpl3Plus;
+    maintainers = with maintainers; [ viric ];
+    platforms = lib.platforms.linux;
+  };
+}