buildroot/package/json-c/Config.in

config BR2_PACKAGE_JSON_C
	bool "json-c"
	# uses __sync_val_compare_and_swap_4
	depends on BR2_TOOLCHAIN_HAS_SYNC_4
	help
	  JSON-C - A JSON implementation in C

	  JSON-C implements a reference counting object model that
	  allows you to easily construct JSON objects in C, output
	  them as JSON formatted strings and parse JSON formatted
	  strings back into the C representation of JSON objects.

	  https://github.com/json-c/json-c/