The first C + + program under Mac-helloworld__c++

Article Author: Tyan
Blog: noahsnail.com |  CSDN | Jianshu

Under Windows is accustomed to vs write C + + program, of course, also with the command line compiled program, under the Mac without the IDE installed, Use the terminal to write a HelloWorld.cpp file, do not know how to compile under the Mac, using the GCC command error, has written helloworld.c file, gcc compile execution is no problem. Check it out, in the Mac compiled C + + program can use clang++ or g++, I have two tried, are available. HelloWorld.cpp

#include <iostream>
using namespace std;
int main ()
{
   cout<< "Hello world!" <<endl;
   return 0;
}

clang++ compilation

# Compile
$ clang++-o HelloWorld HelloWorld.cpp 

# Execute
$/helloworld
Hello world!

g++ compilation

# Compile
$ g++-o HelloWorld HelloWorld.cpp 

# Execute
$/helloworld 
Hello world!