C++ + SQLite3

class Class1 {
public:
    Class1();
    ~Class1();
 void cbase_init(sqlite3 * db);


};

#include <class.h>
#include <sqlite3.h>

void Class1::cbase_init(sqlite3 * db){
    sqlite3_stmt *stmt = NULL;
      bool ONE = false;
      bool TWO = false;
      bool THREE = false;
      bool FOUR = false;


      sqlite3_prepare(db,
                      "select name from"
                      "  (select * from sqlite_master union all"
                      "   select * from sqlite_temp_master)"
                      "where type='table' order by name;", -1, &stmt, NULL);

      while (sqlite3_step(stmt) == SQLITE_ROW)
        {
          if (!strcasecmp((char *) sqlite3_column_text(stmt, 0),
                                       "one"))
            ONE = true;
          else if (!strcasecmp((char *) sqlite3_column_text(stmt, 0),
                                       "two))
            TWO = true;
          else if (!strcasecmp((char *) sqlite3_column_text(stmt, 0),
                                       "three"))
            THREE = true;
          else if (!strcasecmp((char *) sqlite3_column_text(stmt, 0),
                                       "four"))
            FOUR = true;
        }

      sqlite3_finalize(stmt);
}

class.cpp:(.text+0x3d): undefined reference to `sqlite3_prepare'
class.cpp:(.text+0x58): undefined reference to `sqlite3_column_text'
class.cpp:(.text+0xf8): undefined reference to `sqlite3_column_text'