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Issues compiling in Linux

dlugo (40)
So my code worked perfectly in Visual Studios but now that I'm testing in Linux I'm getting all types of errors.

This is a preview of my code:
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#include <iostream>
#include <ostream>
#include <math.h>
using namespace std;



int main ()

{

..................
	return 0;
	system("pause");


I get the following message when I try to compile:

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dlugo_lab01_v03.cpp:(.text+0x15): undefined reference to `std::cout'
dlugo_lab01_v03.cpp:(.text+0x1a): undefined reference to `std::basic_ostream<cha
r, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basi
c_ostream<char, std::char_traits<char> >&, char const*)'                       
dlugo_lab01_v03.cpp:(.text+0x26): undefined reference to `std::cin'
dlugo_lab01_v03.cpp:(.text+0x2b): undefined reference to `std::basic_istream<cha
r, std::char_traits<char> >::operator>>(long&)'                                
dlugo_lab01_v03.cpp:(.text+0x35): undefined reference to `std::cout'
dlugo_lab01_v03.cpp:(.text+0x3a): undefined reference to `std::basic_ostream<cha
r, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basi
c_ostream<char, std::char_traits<char> >&, char const*)'                       
dlugo_lab01_v03.cpp:(.text+0x46): undefined reference to `std::cin'
dlugo_lab01_v03.cpp:(.text+0x4b): undefined reference to `std::basic_istream<cha
r, std::char_traits<char> >::operator>>(long&)'                                
dlugo_lab01_v03.cpp:(.text+0x6f): undefined


Why is this happening all of a sudden when it works fine in Visual Studios?

EDIT:

Also I forgot to mention that if I leave the system("pause") in it returns:

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dlugo_lab01_v03.cpp: In function ‘int main()’:
dlugo_lab01_v03.cpp:51: error: ‘system’ was not declared in this scope
[dlugo@1005-11 Desktop]$


But if I take it out I get all of that craziness.
Last edited on
PanGalactic (1658)
Are you compiling with "gcc" or with "g++"?
dlugo (40)
gcc. My instructor is telling that I need to be able to compile my code in any compiler. I'm even including the following:
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#include <iostream>

#include <ostream>

#include <math.h>
#include <stdlib.h>

using namespace std;
Last edited on
Galik (2254)
Use g++ rather than gcc.
Galik (2254)
Also this...
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#include <iostream>

#include <ostream>

#include <math.h>
#include <stdlib.h>

using namespace std;

...should be...
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#include <iostream>

#include <ostream>

#include <cmath> // use this for C++
#include <cstdlib> // use this for C++

using namespace std;
dlugo (40)
Yeah but would that cause all that ruckus?
Alpha Kand (7)
Yeah but would that cause all that ruckus?

Usually any misspelling in that regards would probably mess it all up.
Galik (2254)
Your errors are cause by using gcc instead of g++.
moorecm (1932)
Galik wrote:
Your errors are cause by using gcc instead of g++.

Yep, g++ links with the C++ Standard Library (std::cout, etc.) by default.
dlugo (40)
Yes, this is exactly the problem. I tried to compile using g++ and came up with no errors. Thanks yall.
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