If MSGPACK_DISABLE_LEGACY_CONVERT is defined, msgpack::object::convert(T*) is removed.
Added MSGPACK_DISABLE_LEGACY_CONVERT to build system and documents.
Please define MSGPACK_DISABLE_LEGACY_CONVERT and update your code as follows:
Replace
int i;
obj.convert(&i); // Removed pointer version
with
int i;
obj.convert(i); // Reference version
