cant compile it

root@ist-1056:~/lib_mysqludf_json-master# gcc $(mysql_config --cflags) -shared -fPIC -o lib_mysqludf_json.so lib_mysqludf_json.c
lib_mysqludf_json.c:40:10: fatal error: my_global.h: No such file or directory
 #include <my_global.h>
          ^~~~~~~~~~~~~
please help me ...
Due to above issue i can't configure my plugin