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/tools/networking/privoxy/default.nix

@@ -0,0 +1,47 @@
+{ lib, stdenv
+, nixosTests
+, fetchurl, autoreconfHook
+, zlib, pcre, w3m, man
+, openssl, brotli
+}:
+
+stdenv.mkDerivation rec {
+
+  pname = "privoxy";
+  version = "3.0.33";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/ijbswa/Sources/${version}%20%28stable%29/${pname}-${version}-stable-src.tar.gz";
+    sha256 = "sha256-BLEE5w2sYVYbndEQaEslD6/IwT2+Q3pg+uGN3ZqIH64=";
+  };
+
+  hardeningEnable = [ "pie" ];
+
+  nativeBuildInputs = [ autoreconfHook w3m man ];
+  buildInputs = [ zlib pcre openssl brotli ];
+
+  makeFlags = [ "STRIP=" ];
+  configureFlags = [
+    "--with-openssl"
+    "--with-brotli"
+    "--enable-external-filters"
+    "--enable-compression"
+  ];
+
+  postInstall = ''
+    rm -r $out/var
+  '';
+
+  passthru.tests.privoxy = nixosTests.privoxy;
+
+  meta = with lib; {
+    homepage = "https://www.privoxy.org/";
+    description = "Non-caching web proxy with advanced filtering capabilities";
+    # When linked with mbedtls, the license becomes GPLv3 (or later), otherwise
+    # GPLv2 (or later). See https://www.privoxy.org/user-manual/copyright.html
+    license = licenses.gpl2Plus;
+    platforms = platforms.all;
+    maintainers = [ ];
+  };
+
+}