anchor.diff:  #
   #  libnscd = callPackage ../os-specific/linux/libnscd { };
   #
  -#  libnotify = callPackage ../development/libraries/libnotify { };
  +  libnotify = callPackage ../development/libraries/libnotify { };
   #
   #  libvolume_id = callPackage ../os-specific/linux/libvolume_id { };
   #
  
positive.code: #
  #  libasr = callPackage ../development/libraries/libasr { };
  #
  #  libassuan = callPackage ../development/libraries/libassuan { };
  #
  #  libasyncns = callPackage ../development/libraries/libasyncns { };
  #
  
negative.code: #
  #  libmodbus = callPackage ../development/libraries/libmodbus {};
  #
    libmtp = callPackage ../development/libraries/libmtp { };
  #
  #  libmsgpack = callPackage ../development/libraries/libmsgpack { };
  #  libmsgpack_0_5 = callPackage ../development/libraries/libmsgpack/0.5.nix { };
  