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/tcpflow/default.nix

@@ -0,0 +1,46 @@
+{ stdenv, lib, fetchFromGitHub, automake, autoconf
+, openssl, zlib, libpcap, boost
+, useCairo ? false, cairo
+}:
+
+stdenv.mkDerivation rec {
+  pname   = "tcpflow";
+  version = "1.6.1";
+
+  src = fetchFromGitHub {
+    owner  = "simsong";
+    repo   = pname;
+    rev    = "${pname}-${version}";
+    sha256 = "0vbm097jhi5n8pg08ia1yhzc225zv9948blb76f4br739l9l22vq";
+    fetchSubmodules = true;
+  };
+
+  nativeBuildInputs = [ automake autoconf ];
+  buildInputs = [ openssl zlib libpcap boost ]
+    ++ lib.optional useCairo cairo;
+
+  prePatch = ''
+    substituteInPlace bootstrap.sh \
+      --replace ".git" "" \
+      --replace "/bin/rm" "rm"
+    # Temporary fix for a build error:
+    # https://src.fedoraproject.org/rpms/tcpflow/blob/979e250032b90de2d6b9e5b94b5203d98cccedad/f/tcpflow-1.6.1-format.patch
+    substituteInPlace src/datalink.cpp \
+      --replace 'DEBUG(6)(s.c_str());' 'DEBUG(6) ("%s", s.c_str());'
+  '';
+
+  preConfigure = "bash ./bootstrap.sh";
+
+  meta = with lib; {
+    description = "TCP stream extractor";
+    longDescription = ''
+      tcpflow is a program that captures data transmitted as part of TCP
+      connections (flows), and stores the data in a way that is convenient for
+      protocol analysis and debugging.
+    '';
+    inherit (src.meta) homepage;
+    license     = licenses.gpl3;
+    maintainers = with maintainers; [ raskin obadz ];
+    platforms   = platforms.linux;
+  };
+}