anchor.diff:  , python3
   , ruby
   , lua
  +, lz4
   , capstone
   , useX11 ? false
   , rubyBindings ? false
  -, pythonBindings ? false
  +, pythonBindings ? true
   , luaBindings ? false
   }:
   
  
positive.code: , fetchFromGitHub
  , buildPackages
  , pkg-config
  , libusb-compat-0_1
  , readline
  , libewf
  
negative.code:     zlib
      openssl
      libuv
      python3
      lz4
    ] ++ lib.optionals useX11 [ gtkdialog vte gtk2 ]
      ++ lib.optionals rubyBindings [ ruby ]
      ++ lib.optionals luaBindings [ lua ];
  
    propagatedBuildInputs = [
  