function(meta_target_add_header_directory)
	set(options)
	set(one_value_args TARGET PATH)
	set(multi_value_args)

	cmake_parse_arguments(PARSE_ARGV 0 arg
		"${options}"
		"${one_value_args}"
		"${multi_value_args}")

	get_property(header_dir_list
		TARGET ${arg_TARGET}
		PROPERTY meta_header_directories)
	set_property(
		TARGET ${arg_TARGET}
		PROPERTY meta_header_directories
		${header_dir_list} ${arg_PATH})
endfunction(meta_target_add_header_directory)

function(meta_target_get_header_directories)
	set(options)
	set(one_value_args TARGET OUT)
	set(multi_value_args)

	cmake_parse_arguments(PARSE_ARGV 0 arg
		"${options}"
		"${one_value_args}"
		"${multi_value_args}")

	get_property(header_dir_list
		TARGET ${arg_TARGET}
		PROPERTY meta_header_directories)
	set(${arg_OUT} ${header_dir_list} PARENT_SCOPE)
endfunction(meta_target_get_header_directories)