我开始学习C++,我试着运行经典的Hello World程序:错误在C++的世界您好
#include <iostream>
using namespace std;
int main()
{
cout << "Hello, World!";
return 0;
}
但是当我用GCC编译在终端,我总是得到这个错误:
Undefined symbols for architecture x86_64:
"std::basic_string<char, std::char_traits<char>, std::allocator<char> >::size() const", referenced from:
std::__verify_grouping(char const*, unsigned long, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)in ccpe3DPY.o
"std::basic_string<char, std::char_traits<char>, std::allocator<char> >::operator[](unsigned long) const", referenced from:
std::__verify_grouping(char const*, unsigned long, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)in ccpe3DPY.o
"std::cout", referenced from:
_main in ccpe3DPY.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 ccpe3DPY.o
"std::ios_base::Init::Init()", referenced from:
__static_initialization_and_destruction_0(int, int)in ccpe3DPY.o
"std::ios_base::Init::~Init()", referenced from:
___tcf_0 in ccpe3DPY.o
"___gxx_personality_v0", referenced from:
Dwarf Exception Unwind Info (__eh_frame) in ccpe3DPY.o
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status
你能告诉我为什么吗?
用'g ++'编译将自动链接到stdlib中。 –
您发布的代码不会产生该错误:http://ideone.com/qkh6z7 – Johnsyweb