C++ et mysql [Code::block]

#include <iostream>
#include <windows.h>
#include <mysql/mysql.h>

int main()
{
    MYSQL *mysql;
    MYSQL *connect;
    int ok;
    char query[] = "INSERT INTO connectes VALUES('', pseudo')";

    mysql = mysql_init(NULL);
    connect = mysql_real_connect(mysql,"host","pseudo","mot_de_passe", "bdd", 0, "", 0);

    ok = mysql_real_query(connect, query, (unsigned int) strlen(query));

    mysql_close(mysql);

    return 0;
}

obj\Debug\main.o||In function `main':|
rald\Mes documents\Blocks\Programmes\api\main.cpp|12|undefined reference to `mysql_init@4'|
rald\Mes documents\Blocks\Programmes\api\main.cpp|13|undefined reference to `mysql_real_connect@32'|
rald\Mes documents\Blocks\Programmes\api\main.cpp|15|undefined reference to `mysql_real_query@12'|
rald\Mes documents\Blocks\Programmes\api\main.cpp|17|undefined reference to `mysql_close@4'|
||=== Build finished: 4 errors, 0 warnings ===|