config BR2_PACKAGE_ZCHUNK
	bool "zchunk"
	depends on BR2_USE_MMU # fork()
	select BR2_PACKAGE_ARGP_STANDALONE if BR2_TOOLCHAIN_USES_UCLIBC || BR2_TOOLCHAIN_USES_MUSL
	help
	  A file format designed for highly efficient deltas while
	  maintaining good compression.

	  https://github.com/zchunk/zchunk