anchor.diff:      libgweather
       libical
       libnotify
  +    libpst
       librsvg
       libsecret
       nspr
  
positive.code: , gtk3
  , glib
  , libnotify
  , gspell
  , evolution-data-server
  , libgdata
  
negative.code:   cmakeFlags = [
      "-DENABLE_AUTOAR=OFF"
      "-DENABLE_LIBCRYPTUI=OFF"
      "-DENABLE_YTNEF=OFF"
      "-DWITH_SPAMASSASSIN=${spamassassin}/bin/spamassassin"
      "-DWITH_SA_LEARN=${spamassassin}/bin/sa-learn"
  