anchor.diff:      #--with-external-dvdnav  Use external dvdnav library (not recommended)
       "--with-imagemagick"
       "--with-libflac"
  -    "--with-speex"
  +    #"--with-speex"
       "--with-theora"
       "--with-vorbis"
       "--with-wavpack"
  
positive.code: , perl
  
  , aalib
  , alsaLib
  , ffmpeg
  , flac
  , fontconfig
  
negative.code: , libdvdcss
  , libmng
  , libmodplug
  , libmpc
  , libogg
  , libtheora
  , libvdpau
  , libvorbis
  , libvpx
  , mesa
  , pulseaudio_lib
  , speex
  , v4l_lib
  ###, vcdimager
  , wavpack
  , xorg
  , zlib
  