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/development/python-modules/vivisect/default.nix

@@ -0,0 +1,70 @@
+{ lib
+, buildPythonPackage
+, isPy3k
+, fetchPypi
+, wrapQtAppsHook
+
+# propagates
+, pyasn1
+, pyasn1-modules
+, cxxfilt
+, msgpack
+, pycparser
+
+# extras: gui
+, pyqt5
+, pyqtwebengine
+
+# knobs
+, withGui ? false
+}:
+
+buildPythonPackage rec {
+  pname = "vivisect";
+  version = "1.0.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "727a27ac1eb95d5a41f4430f6912e79940525551314fe68a2811fc9d51eaf2e9";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace 'cxxfilt>=0.2.1,<0.3.0' 'cxxfilt'
+  '';
+
+  nativeBuildInputs = [
+    wrapQtAppsHook
+  ];
+
+  propagatedBuildInputs = [
+    pyasn1
+    pyasn1-modules
+    cxxfilt
+    msgpack
+    pycparser
+  ] ++ lib.optionals (withGui) passthru.optional-dependencies.gui;
+
+  passthru.optional-dependencies.gui = [
+    pyqt5
+    pyqtwebengine
+  ];
+
+  postFixup = ''
+    wrapQtApp $out/bin/vivbin
+  '';
+
+  # requires another repo for test files
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "vivisect"
+  ];
+
+  meta = with lib; {
+    description = "Pure python disassembler, debugger, emulator, and static analysis framework";
+    homepage = "https://github.com/vivisect/vivisect";
+    license = licenses.asl20;
+    maintainers = teams.determinatesystems.members;
+  };
+}