c++ компилируется с ошибкой. заголовок <iostream>

#include <iostream>
using namespace std;
int main()
{
    int a;
    int n = 2017;
    cout << "You date birth: "<<endl;
    cin >>a;
    cout <<"Your age is  "<< n - a << endl;
    return 0;
}

ошибка компилятора...

C:\Users\Gor\AppData\Local\Temp\ccC9WmMU.o:havayi1.cpp:(.text+0x29): undefined reference to 'st d::cout' C:\Users\Gor\AppData\Local\Temp\ccC9WmMU.o:havayi1.cpp:(.text+0x2e): undefined reference to 'st d::basic_ostream >& std::operator<< (std: :basic_ostream >&, char const*)' C:\Users\Gor\AppData\Local\Temp\ccC9WmMU.o:havayi1.cpp:(.text+0x35): undefined reference to 'st d::basic_ostream >& std::endl (std:: basic_ostream >&)' C:\Users\Gor\AppData\Local\Temp\ccC9WmMU.o:havayi1.cpp:(.text+0x3c): undefined reference to 'st d::ostream::operator<<(std::ostream& ()(std::ostream&))' C:\Users\Gor\AppData\Local\Temp\ccC9WmMU.o:havayi1.cpp:(.text+0x4a): undefined reference to 'st d::cin' C:\Users\Gor\AppData\Local\Temp\ccC9WmMU.o:havayi1.cpp:(.text+0x4f): undefined reference to 'st d::istream::operator>>(int&)' C:\Users\Gor\AppData\Local\Temp\ccC9WmMU.o:havayi1.cpp:(.text+0x6b): undefined reference to 'st d::cout' C:\Users\Gor\AppData\Local\Temp\ccC9WmMU.o:havayi1.cpp:(.text+0x70): undefined reference to 'st d::basic_ostream >& std::operator<< (std: :basic_ostream >&, char const)' C:\Users\Gor\AppData\Local\Temp\ccC9WmMU.o:havayi1.cpp:(.text+0x7a): undefined reference to 'st d::ostream::operator<<(int)' C:\Users\Gor\AppData\Local\Temp\ccC9WmMU.o:havayi1.cpp:(.text+0x84): undefined reference to 'st d::basic_ostream >& std::endl (std:: basic_ostream >&)' C:\Users\Gor\AppData\Local\Temp\ccC9WmMU.o:havayi1.cpp:(.text+0x8b): undefined reference to 'st d::ostream::operator<<(std::ostream& (*)(std::ostream&))' C:\Users\Gor\AppData\Local\Temp\ccC9WmMU.o:havayi1.cpp:(.text+0xad): undefined reference to 'st d::ios_base::Init::~Init()' C:\Users\Gor\AppData\Local\Temp\ccC9WmMU.o:havayi1.cpp:(.text+0xce): undefined reference to '`st d::ios_base::Init::Init()' collect2.exe: error: ld returned 1 exit status

PS havayi1.cpp - это файл с кодом

у меня всеми кодами так получается, <iostream>

а если использую <stdio.h> то все гладок...