anchor.diff:  PACKAGECONFIG ??= "${@base_contains('DISTRO_FEATURES', 'pulseaudio', 'pulseaudio', '${PACKAGECONFIG_ALSA}', d)}"
   PACKAGECONFIG[pulseaudio] = "--with-default-audio=pulse,,pulseaudio"
   PACKAGECONFIG[alsa] = "--with-default-audio=alsa,,alsa-lib"
  +PACKAGECONFIG[sdl] = ",,libsdl"
  +PACKAGECONFIG[openal] = ",,openal-soft"
  +PACKAGECONFIG[jack] = ",,jack"
  +PACKAGECONFIG[portaudio] = ",,portaudio-v19"
  +PACKAGECONFIG[esd] = ",,esound"
  +
  +# Following are possible sound output modules
  +#alsa tinyalsa oss coreaudio sndio sun win32 win32_wasapi os2 esd jack portaudio pulse sdl nas arts openal dummy
  +AUDIOMODS += "${@base_contains('PACKAGECONFIG', 'alsa', 'alsa', '', d)}"
  +AUDIOMODS += "${@base_contains('PACKAGECONFIG', 'pulseaudio', 'pulse', '', d)}"
  +AUDIOMODS += "${@base_contains('PACKAGECONFIG', 'sdl', 'sdl', '', d)}"
  +AUDIOMODS += "${@base_contains('PACKAGECONFIG', 'openal', 'openal', '', d)}"
  +AUDIOMODS += "${@base_contains('PACKAGECONFIG', 'jack', 'jack', '', d)}"
  +AUDIOMODS += "${@base_contains('PACKAGECONFIG', 'portaudio', 'portaudio', '', d)}"
  +AUDIOMODS += "${@base_contains('PACKAGECONFIG', 'esd', 'esd', '', d)}"
   
   LICENSE = "LGPLv2.1"
   LICENSE_FLAGS = "commercial"
  
positive.code: 
  EXTRA_OECONF = " \
      --enable-shared \
      --with-module-suffix=.so \
      ${@bb.utils.contains('TUNE_FEATURES', 'neon', '--with-cpu=neon', '', d)} \
      ${@bb.utils.contains('TUNE_FEATURES', 'altivec', '--with-cpu=altivec', '', d)} \
  
negative.code: BUGTRACKER = "http://sourceforge.net/p/mpg123/bugs/"
  SECTION = "multimedia"
  
  DEPENDS = "tslib audiofile"
  
  # The options should be mutually exclusive for configuration script.
  # If both alsa and pulseaudio are specified (as in the default distro features)
  