应该很简单,但是当我编译C ++ Hello World代码时,会返回一堆未定义的符号错误。
// my first program in C++
#include <iostream>
using namespace std;
int main ()
{
cout << "Hello World!";
return 0;
}
下面是我如何编译:打开终端,cd到目录,gcc hello.cpp
然后我得到了错误。有什么想法吗?我觉得我可能已经打破了某些......或者我只是遗漏了一些非常明显的东西。非常感谢任何帮助!
继承错误:
Undefined symbols for architecture x86_64:
"std::cout", referenced from:
_main in ccfUAf5i.o
"std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*)", referenced from:
_main in ccfUAf5i.o
"std::ios_base::Init::Init()", referenced from:
__static_initialization_and_destruction_0(int, int)in ccfUAf5i.o
"std::ios_base::Init::~Init()", referenced from:
___tcf_0 in ccfUAf5i.o
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status
答案 0 :(得分:6)
您需要使用g++
来编译和链接C ++代码:
g++ hello.cpp -o hello
或完全符合Stack Overflow标准:
g++ -W -Wall -Werror -pedantic -o hello hello.cpp
答案 1 :(得分:1)
使用g ++而不是gcc。但无论如何你的gcc安装似乎被打破了。你也试图在32位机器/操作系统上编译64位exec?