buildroot/package/jsoncpp/Config.in

config BR2_PACKAGE_JSONCPP
	depends on BR2_INSTALL_LIBSTDCPP
	bool "jsoncpp"
	help
	  JsonCpp is a C++ library that allows manipulating JSON
	  values, including serialization and deserialization to and
	  from strings.  It can also preserve existing comment in
	  unserialization/serialization steps, making it a convenient
	  format to store user input files.

	  https://github.com/open-source-parsers/jsoncpp

comment "jsoncpp needs a toolchain w/ C++"
	depends on !BR2_INSTALL_LIBSTDCPP