anchor.diff:  , libice
   , libsm
   , libsndfile
  +, libtool
   , jack2_lib
   , libx11
   , libxcb
  
positive.code:     glib
      libasyncns
      libcap
      libsndfile
      speexdsp
      tdb
  
negative.code:     alsa-lib
      avahi
      bluez
      gtk3
      jack2_lib
      libice
  