anchor.diff:  , patchelf
   , requireFile
   , alsaLib
  +, dbus
   , fontconfig
   , freetype
   , gcc
  
positive.code:     opencv
      openssl
      unixODBC
      libxml2
      libuuid
      zlib
  
negative.code: , opencv
  , openssl
  , unixODBC
  , xkeyboard_config
  , xorg
  , zlib
  , libxml2
  