anchor.diff:      libxfixes
       libxt
       libzip
  +    mypaint-brushes
       openexr
       pango
       poppler
  +    poppler-data
       python2Packages.python
       python2Packages.pygtk
       shared-mime-info
  
positive.code:   preBuild = ''
      # Build depends on shared-mime-info
      export XDG_DATA_DIRS="$XDG_DATA_DIRS''${XDG_DATA_DIRS:+:}${shared-mime-info}/share"
    '';
  
    postInstall = ''
  
negative.code: , gettext
  , intltool
  , lib
  , libxml2
  , makeWrapper
  , python2Packages
  
  