Compiling error about go-nuodb HOT 3 CLOSED

make: Entering directory '/home/asd/MEGA/go/src/github.com/tilinna/go-nuodb'
g++ -Wall -shared `go env GOGCCFLAGS` -I/opt/nuodb/include cnuodb.cpp -o libcnuodb.so -L/opt/nuodb/lib64/ -lNuoRemote
In file included from /opt/nuodb/include/Connection.h:9:0,
                 from /opt/nuodb/include/NuoDB.h:18,
                 from cnuodb.cpp:5:
/opt/nuodb/include/SQLException.h:51:42: error: ‘size_t’ has not been declared
     virtual char* getTrace(char* buffer, size_t len) = 0;
                                          ^~~~~~
In file included from /opt/nuodb/include/Connection.h:10:0,
                 from /opt/nuodb/include/NuoDB.h:18,
                 from cnuodb.cpp:5:
/opt/nuodb/include/BatchUpdateException.h:162:42: error: ‘size_t’ has not been declared
     virtual char* getTrace(char* buffer, size_t len) = 0;
                                          ^~~~~~
In file included from /opt/nuodb/include/CallableStatement.h:6:0,
                 from /opt/nuodb/include/Connection.h:11,
                 from /opt/nuodb/include/NuoDB.h:18,
                 from cnuodb.cpp:5:
/opt/nuodb/include/PreparedStatement.h:115:62: error: ‘size_t’ has not been declared
     virtual void    setString(int index, const char* string, size_t length) = 0;
                                                              ^~~~~~
Makefile:4: recipe for target 'libcnuodb.so' failed
make: *** [libcnuodb.so] Error 1
make: Leaving directory '/home/asd/MEGA/go/src/github.com/tilinna/go-nuodb'