buildroot/package/bzip2/Config.in

config BR2_PACKAGE_BZIP2
	bool "bzip2"
	default n
	help
	  Freely available, patent free, high-quality data compressor.  
	  It typically compresses files to within 10% to 15% of the best 
	  available techniques, while being around twice as fast at 
	  compression and six times faster at decompression.

	  http://sources.redhat.com/bzip2/