When compiling the target of cJSON_Utils in Mac OS, it will report an error:
Undefined symbols for architecture x86_64:
"_cJSON_AddItemToArray", referenced from:
_apply_patch in cJSON_Utils.o
_compose_patch in cJSON_Utils.o
_insert_item_in_array in cJSON_Utils.o
...
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [libcjson_utils.dylib.1.7.12] Error 1