Set-up Issue for VS Code in M1 Mac for c++

Question

I recently downloaded vs code in my m1 mac after downloading the g++ compiler in the terminal and then I downloaded the extensions C/C++ IntelliSence and Code Runner. After doing that I wrote a simple Hello World program but it threw me an error.

Code:

#include<iostream>
using namespace std;
void main()
{
   cout<<"Hello World";
}

Output:

[Running] cd "/Users/mohammedalif/HelloWorld/" && g++ main.cpp -o main &&
Undefined symbols for architecture arm64:
  "_main", referenced from:
     implicit entry/start for main executable
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

[Done] exited with code=1 in 0.22 seconds

This is the screenshot of the output I got along with the code

This is what i am getting instead of a simple Hello World output.

What should I do to fix this???

`void main()` is not a valid signature for main. Related: [https://stackoverflow.com/questions/4207134/what-is-the-proper-declaration-of-main-in-c](https://stackoverflow.com/questions/4207134/what-is-the-proper-declaration-of-main-in-c) also this online g++ shows an error about that: [https://ideone.com/comNhN](https://ideone.com/comNhN) — drescherjm, Apr 11 '21 at 21:00

score 1 · Answer 1 · edited Apr 11 '21 at 19:11

1

You need to use int main() instead of void main().

Also before closing the main function, write return 0; which basically indicates that we are not returning any value to this function.

edited Apr 11 '21 at 19:11

Anurag Dabas

23,866
9
21
41

answered Apr 11 '21 at 15:24

Divyansh Sahu

11
2

score 1 · Answer 2 · answered Apr 11 '21 at 21:23

1

First of all correct in C/C++ is:

int main()

or

int main(int args,char * argv[])

Check this video: https://www.youtube.com/watch?v=rS7GUCBulww&t=599s In the video girl show, how install and configurate VS Code in Apple M1:

answered Apr 11 '21 at 21:23

profesorek96

16
3

Set-up Issue for VS Code in M1 Mac for c++

2 Answers2