anchor.diff:  , intltool
   , lib
   , makeWrapper
  -, pythonPackages
  +, python2Packages
   
   , aalib
   , alsa-lib
  
positive.code:     libwebp
      libwmf
      libx11
      libxext
      libxfixes
      libxt
  
negative.code:     openexr
      pango
      poppler
      python2Packages.python
      python2Packages.pygtk
      shared-mime-info
      xorg.libXmu
      xorg.libXpm
      xproto
  