Add (char *) in line 175 due to following error on ppc64le:
  src/pl/ob_pl_package_manager.cpp:175:19: error: cannot initialize a variable of type 'char *' with an rvalue of type 'const char *'
            char *last_slash = strrchr(package_full_path, '/');

When compiling unitest test_create_executor.cpp, raise error: ob_adjust_lob_datum not defined, need to add

#include "sql/engine/expr/ob_expr_lob_utils.h"
in src/observer/table/ob_table_cg_service.cpp

used shared zlib other than static zlib

use shared zlib other than static zlib