buildroot/package/libmad/Config.in

config BR2_PACKAGE_LIBMAD
	bool "libmad"
	default n
	help
	  High-quality MPEG audio decoder.  All computations are performed 
	  with fixed-point integer arithmetic, making it ideal for systems 
	  without a floating-point unit.

	  http://www.underbit.com/products/mad/