Question

是的，所以我试图编译我的程序，我收到以下错误：

/tmp/ccqeDaMs.o: In function `__static_initialization_and_destruction_0(int, int)':
arrr.cpp:(.text+0x4f): undefined reference to `std::ios_base::Init::Init()'
arrr.cpp:(.text+0x5e): undefined reference to `std::ios_base::Init::~Init()'
/tmp/ccqeDaMs.o: In function `__::___()':
arrr.cpp:(.text._ZN2__3___Ev[_ZN2__3___Ev]+0x12): undefined reference to `std::cout'
arrr.cpp:(.text._ZN2__3___Ev[_ZN2__3___Ev]+0x17): undefined reference to             `std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char>     >(std::basic_ostream<char, std::char_traits<char> >&, char const*)'
/tmp/ccqeDaMs.o:(.eh_frame+0x6b): undefined reference to `__gxx_personality_v0'
collect2: error: ld returned 1 exit status

有关信息，请参阅我的代码：

#include <iostream>

class __ {
    public:
    __ ___() {std::cout<<"kill me"; return *this;}
};

class ____: public __ {
    public:
    ____ _____(__ *______) {______->___().___();}
};


int main() {
    ____ _______;
    __ ________;

    _______._____(&________);

    return -6;
}

我做错了什么？

Answer 1

使用g++编译和链接您的代码，而不是gcc。 gcc链接器不包含C ++库。

Answer 2

您的程序使用保留标识符显示UB（保留以__开头的标识符）。链接失败的足够原因，即使它因其他原因而失败。

奇怪的编译错误

2 个答案: