неопределенная ссылка на 'std:: cout'

это пример:

#include <iostream>

using namespace std;

int main()

{

    cout << "Hola, moondo.n";

}

Он выдает ошибку:

gcc -c main.cpp gcc -o edit main.o  main.o: In function `main':

main.cpp:(.text+0xa): undefined reference to `std::cout'

main.cpp:(.text+0xf): undefined reference to `std::basic_ostream<char,std::char_traits<char> >& std::operator<< <std::char_traits<char>>(std::basic_ostream<char, std::char_traits<char> >&, char const*)'

main.o: In function `__static_initialization_and_destruction_0(int,int)':

main.cpp:(.text+0x3d): undefined reference to `std::ios_base::Init::Init()'

main.cpp:(.text+0x4c): undefined reference to `std::ios_base::Init::~Init()' collect2: error: ld

returned 1 exit status make: *** [qs] Error 1

также, этот пример:

#include <iostream>

int main()

{

    std::cout<<"Hola, moondo.n";

}

выдает ошибку:

gcc -c main.cpp gcc -o edit main.o  main.o: In function `main':

main.cpp:(.text+0xa): undefined reference to `std::cout'

main.cpp:(.text+0xf): undefined reference to `std::basic_ostream<char,std::char_traits<char> >& std::operator<<<std::char_traits<char>>(std::basic_ostream<char,std::char_traits<char> >&, char const*)'

main.o: In function `__static_initialization_and_destruction_0(int,int)': main.cpp:(.text+0x3d): undefined reference to `std::ios_base::Init::Init()'

main.cpp:(.text+0x4c): undefined reference to `std::ios_base::Init::~Init()' collect2: error: ld

returned 1 exit status make: *** [qs] Error 1

примечание: Я использую Debian Wheezy.