error C2039: "nocreate": 不是"std::basic_ios<char,std::char_traits<char>>

VS中_Nocreate替代nocreate
最新推荐文章于 2023-07-31 17:39:25 发布
原创 最新推荐文章于 2023-07-31 17:39:25 发布 · 4.1k 阅读 · 6 ·
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本文介绍在Visual Studio中如何使用_Nocreate来替代VC6.0中的nocreate关键字，以确保代码的兼容性和正确性。
nocreate是在VC6.0里的，在VS中将nocreate改成了_Nocreate。你做一下替换即可。
从VC6升级到vs2010需要修改的部分经验交流
从入门到放弃的博客
07-06 1844
因为适应平台的需要，需将之前的vc6程序升级到vs2010的平台，升级的过程，各种不顺利，现特整理了部分容易遇到的问题，分享给小伙伴，少走弯路！ 1. 将头文件中#include 改为#include ； 2. 将头文件中#include 改为 #include Using namespace std; 3. error C2039: “nocreate”: 不是“std::b
C++完整的类出现is not a member of std
qq_39422041的博客
01-24 2万+
今天在写cpp的时候，编译出现这个如题问题，但是类是完整的，没有问题的。 解决方案是： 需要在每个cpp中，即是实现文件，包含所有需要的头文件，每一个实现文件都需要这么做。就是因为漏了几个cpp出现的这个情况。
iOS 编译报错，有关std::xxx ,例如：std::basic_ostream<char, std::char_traits<char> >
weixin_30426065的博客
04-17 2217
一些第三方中使用了c++，引用第三方的时候就会提示相关错误。 错误1: std::basic_ostream<char, std::char_traits<char> >& std::operator<<<char, std::char_traits<char>,等等，如下图： 解决方法：在General-Linked Fra...
error C2065: 'nocreate' : undeclared identifier
Xin Meng's Blog
06-07 6815
  In addition to the above changes, the following functions, constants, and enumerators that are elements of the old iostream library are not elements of the new iostream library:attach me
ifstream没有ios::nocreate
FlyingBird_SXF的专栏
11-24 5598
今天在VS2010写了一个关于文件输入的小程序，但是在用ios::nocreate参数时，提示没有ios::nocreate成员，如下：
* 正在执行任务: C/C++: gcc.exe 生成活动文件 正在启动生成... cmd /c chcp 65001>nul && E:\VScode\mingw64\bin\gcc.exe -fdiagnostics-color=always -g D:\Code-CaoZuo\1.cpp -o D:\Code-CaoZuo\1.exe C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o: In function `priorityScheduling(PCB*)': D:/Code-CaoZuo/1.cpp:31: 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*)' D:/Code-CaoZuo/1.cpp:31: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/1.cpp:68: 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*)' D:/Code-CaoZuo/1.cpp:69: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/1.cpp:69: 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*)' D:/Code-CaoZuo/1.cpp:69: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::operator<< <char, std::char_traits<char>, std::allocator<char> >(std::basic_ostream<char, std::char_traits<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' D:/Code-CaoZuo/1.cpp:69: 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*)' D:/Code-CaoZuo/1.cpp:69: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/1.cpp:69: 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*)' D:/Code-CaoZuo/1.cpp:70: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/1.cpp:70: 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*)' D:/Code-CaoZuo/1.cpp:70: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/1.cpp:70: 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*)' D:/Code-CaoZuo/1.cpp:70: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/1.cpp:80: 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*)' D:/Code-CaoZuo/1.cpp:80: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::operator<< <char, std::char_traits<char>, std::allocator<char> >(std::basic_ostream<char, std::char_traits<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' D:/Code-CaoZuo/1.cpp:80: 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*)' D:/Code-CaoZuo/1.cpp:80: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/1.cpp:86: 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*)' D:/Code-CaoZuo/1.cpp:86: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o: In function `roundRobinScheduling(PCB*)': D:/Code-CaoZuo/1.cpp:91: 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*)' D:/Code-CaoZuo/1.cpp:91: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/1.cpp:130: 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*)' D:/Code-CaoZuo/1.cpp:131: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/1.cpp:131: 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*)' D:/Code-CaoZuo/1.cpp:131: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::operator<< <char, std::char_traits<char>, std::allocator<char> >(std::basic_ostream<char, std::char_traits<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' D:/Code-CaoZuo/1.cpp:131: 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*)' D:/Code-CaoZuo/1.cpp:131: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/1.cpp:131: 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*)' D:/Code-CaoZuo/1.cpp:132: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/1.cpp:132: 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*)' D:/Code-CaoZuo/1.cpp:132: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/1.cpp:132: 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*)' D:/Code-CaoZuo/1.cpp:132: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/1.cpp:146: 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*)' D:/Code-CaoZuo/1.cpp:146: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::operator<< <char, std::char_traits<char>, std::allocator<char> >(std::basic_ostream<char, std::char_traits<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' D:/Code-CaoZuo/1.cpp:146: 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*)' D:/Code-CaoZuo/1.cpp:146: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/1.cpp:164: 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*)' D:/Code-CaoZuo/1.cpp:164: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o: In function `createProcesses(int, bool)': D:/Code-CaoZuo/1.cpp:175: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' D:/Code-CaoZuo/1.cpp:178: 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*)' D:/Code-CaoZuo/1.cpp:178: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::operator<< <char, std::char_traits<char>, std::allocator<char> >(std::basic_ostream<char, std::char_traits<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' D:/Code-CaoZuo/1.cpp:178: 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*)' D:/Code-CaoZuo/1.cpp:178: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/1.cpp:180: 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*)' D:/Code-CaoZuo/1.cpp:181: undefined reference to `std::istream::operator>>(int&)' D:/Code-CaoZuo/1.cpp:185: 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*)' D:/Code-CaoZuo/1.cpp:186: undefined reference to `std::istream::operator>>(int&)' D:/Code-CaoZuo/1.cpp:188: 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*)' D:/Code-CaoZuo/1.cpp:189: undefined reference to `std::istream::operator>>(int&)' D:/Code-CaoZuo/1.cpp:191: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' D:/Code-CaoZuo/1.cpp:191: undefined reference to `operator new(unsigned long long)' D:/Code-CaoZuo/1.cpp:191: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' D:/Code-CaoZuo/1.cpp:200: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/1.cpp:175: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' D:/Code-CaoZuo/1.cpp:203: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' D:/Code-CaoZuo/1.cpp:191: undefined reference to `operator delete(void*, unsigned long long)' D:/Code-CaoZuo/1.cpp:191: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' D:/Code-CaoZuo/1.cpp:175: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o: In function `displayProcesses(PCB*)': D:/Code-CaoZuo/1.cpp:208: 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*)' D:/Code-CaoZuo/1.cpp:208: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/1.cpp:209: 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*)' D:/Code-CaoZuo/1.cpp:209: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/1.cpp:213: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::operator<< <char, std::char_traits<char>, std::allocator<char> >(std::basic_ostream<char, std::char_traits<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' D:/Code-CaoZuo/1.cpp:213: 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*)' D:/Code-CaoZuo/1.cpp:213: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/1.cpp:213: 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*)' D:/Code-CaoZuo/1.cpp:213: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/1.cpp:213: 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*)' D:/Code-CaoZuo/1.cpp:214: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/1.cpp:214: 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*)' D:/Code-CaoZuo/1.cpp:214: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/1.cpp:214: 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*)' D:/Code-CaoZuo/1.cpp:217: 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*)' D:/Code-CaoZuo/1.cpp:218: 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*)' D:/Code-CaoZuo/1.cpp:219: 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*)' D:/Code-CaoZuo/1.cpp:221: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o: In function `freeProcesses(PCB*)': D:/Code-CaoZuo/1.cpp:233: undefined reference to `operator delete(void*, unsigned long long)' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o: In function `main': D:/Code-CaoZuo/1.cpp:241: 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*)' D:/Code-CaoZuo/1.cpp:241: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/1.cpp:242: 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*)' D:/Code-CaoZuo/1.cpp:242: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/1.cpp:243: 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*)' D:/Code-CaoZuo/1.cpp:243: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/1.cpp:244: 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*)' D:/Code-CaoZuo/1.cpp:245: undefined reference to `std::istream::operator>>(int&)' D:/Code-CaoZuo/1.cpp:247: 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*)' D:/Code-CaoZuo/1.cpp:248: undefined reference to `std::istream::operator>>(int&)' D:/Code-CaoZuo/1.cpp:254: 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*)' D:/Code-CaoZuo/1.cpp:263: 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*)' D:/Code-CaoZuo/1.cpp:263: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/1.cpp:267: 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*)' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o: In function `__tcf_0': E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/iostream:74: undefined reference to `std::ios_base::Init::~Init()' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o: In function `__static_initialization_and_destruction_0': E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/iostream:74: undefined reference to `std::ios_base::Init::Init()' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o:1.cpp:(.xdata+0x34): undefined reference to `__gxx_personality_seh0' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o: In function `PCB::PCB(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, int, int)': D:/Code-CaoZuo/1.cpp:26: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o: In function `PCB::~PCB()': D:/Code-CaoZuo/1.cpp:13: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o: In function `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > __gnu_cxx::__to_xstring<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, char>(int (*)(char*, unsigned long long, char const*, char*), unsigned long long, char const*, ...)': E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/ext/string_conversions.h:115: undefined reference to `std::allocator<char>::allocator()' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/ext/string_conversions.h:115: undefined reference to `std::allocator<char>::~allocator()' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/ext/string_conversions.h:115: undefined reference to `std::allocator<char>::~allocator()' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o:1.cpp:(.xdata$_ZN9__gnu_cxx12__to_xstringINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcEET_PFiPT0_yPKS8_PcEySB_z+0xc): undefined reference to `__gxx_personality_seh0' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o: In function `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Alloc_hider::~_Alloc_hider()': E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.h:139: undefined reference to `std::allocator<char>::~allocator()' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o: In function `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > std::operator+<char, std::char_traits<char>, std::allocator<char> >(char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&)': E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.h:5979: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::insert(unsigned long long, char const*)' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.h:5979: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&)' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o: In function `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string<char*, void>(char*, char*, std::allocator<char> const&)': E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.h:606: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_local_data()' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.h:606: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Alloc_hider::_Alloc_hider(char*, std::allocator<char> const&)' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o:1.cpp:(.xdata$_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC1IPcvEET_S7_RKS3_+0xc): undefined reference to `__gxx_personality_seh0' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o: In function `void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char*>(char*, char*, std::forward_iterator_tag)': E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:212: undefined reference to `std::__throw_logic_error(char const*)' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:219: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_create(unsigned long long&, unsigned long long)' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:219: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_data(char*)' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:220: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_capacity(unsigned long long)' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:225: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_data() const' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:225: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_S_copy_chars(char*, char*, char*)' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:232: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_set_length(unsigned long long)' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:226: undefined reference to `__cxa_begin_catch' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:228: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_dispose()' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:229: undefined reference to `__cxa_rethrow' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:226: undefined reference to `__cxa_end_catch' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o:1.cpp:(.xdata$_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_M_constructIPcEEvT_S7_St20forward_iterator_tag+0xc): undefined reference to `__gxx_personality_seh0' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o:1.cpp:(.rdata$.refptr._ZSt3cin[.refptr._ZSt3cin]+0x0): undefined reference to `std::cin' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o:1.cpp:(.rdata$.refptr._ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_[.refptr._ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_]+0x0): undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::endl<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&)' C:\Users\HUAWEI\AppData\Local\Temp\ccaKY5Jy.o:1.cpp:(.rdata$.refptr._ZSt4cout[.refptr._ZSt4cout]+0x0): undefined reference to `std::cout' collect2.exe: error: ld returned 1 exit status 生成已完成，但出现错误。 * 终端进程启动失败(退出代码: -1)。 * 终端将被任务重用，按任意键关闭。 * 正在执行任务: C/C++: gcc.exe 生成活动文件 正在启动生成... cmd /c chcp 65001>nul && E:\VScode\mingw64\bin\gcc.exe -fdiagnostics-color=always -g D:\Code-CaoZuo\11.cpp -o D:\Code-CaoZuo\11.exe C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o: In function `priorityScheduling(PCB*)': D:/Code-CaoZuo/11.cpp:31: 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*)' D:/Code-CaoZuo/11.cpp:31: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/11.cpp:68: 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*)' D:/Code-CaoZuo/11.cpp:69: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/11.cpp:69: 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*)' D:/Code-CaoZuo/11.cpp:69: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::operator<< <char, std::char_traits<char>, std::allocator<char> >(std::basic_ostream<char, std::char_traits<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' D:/Code-CaoZuo/11.cpp:69: 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*)' D:/Code-CaoZuo/11.cpp:69: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/11.cpp:69: 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*)' D:/Code-CaoZuo/11.cpp:70: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/11.cpp:70: 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*)' D:/Code-CaoZuo/11.cpp:70: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/11.cpp:70: 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*)' D:/Code-CaoZuo/11.cpp:70: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/11.cpp:80: 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*)' D:/Code-CaoZuo/11.cpp:80: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::operator<< <char, std::char_traits<char>, std::allocator<char> >(std::basic_ostream<char, std::char_traits<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' D:/Code-CaoZuo/11.cpp:80: 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*)' D:/Code-CaoZuo/11.cpp:80: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/11.cpp:86: 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*)' D:/Code-CaoZuo/11.cpp:86: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o: In function `roundRobinScheduling(PCB*)': D:/Code-CaoZuo/11.cpp:91: 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*)' D:/Code-CaoZuo/11.cpp:91: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/11.cpp:130: 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*)' D:/Code-CaoZuo/11.cpp:131: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/11.cpp:131: 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*)' D:/Code-CaoZuo/11.cpp:131: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::operator<< <char, std::char_traits<char>, std::allocator<char> >(std::basic_ostream<char, std::char_traits<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' D:/Code-CaoZuo/11.cpp:131: 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*)' D:/Code-CaoZuo/11.cpp:131: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/11.cpp:131: 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*)' D:/Code-CaoZuo/11.cpp:132: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/11.cpp:132: 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*)' D:/Code-CaoZuo/11.cpp:132: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/11.cpp:132: 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*)' D:/Code-CaoZuo/11.cpp:132: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/11.cpp:146: 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*)' D:/Code-CaoZuo/11.cpp:146: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::operator<< <char, std::char_traits<char>, std::allocator<char> >(std::basic_ostream<char, std::char_traits<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' D:/Code-CaoZuo/11.cpp:146: 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*)' D:/Code-CaoZuo/11.cpp:146: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/11.cpp:164: 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*)' D:/Code-CaoZuo/11.cpp:164: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o: In function `createProcesses(int, bool)': D:/Code-CaoZuo/11.cpp:175: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' D:/Code-CaoZuo/11.cpp:178: 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*)' D:/Code-CaoZuo/11.cpp:178: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::operator<< <char, std::char_traits<char>, std::allocator<char> >(std::basic_ostream<char, std::char_traits<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' D:/Code-CaoZuo/11.cpp:178: 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*)' D:/Code-CaoZuo/11.cpp:178: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/11.cpp:180: 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*)' D:/Code-CaoZuo/11.cpp:181: undefined reference to `std::istream::operator>>(int&)' D:/Code-CaoZuo/11.cpp:185: 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*)' D:/Code-CaoZuo/11.cpp:186: undefined reference to `std::istream::operator>>(int&)' D:/Code-CaoZuo/11.cpp:188: 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*)' D:/Code-CaoZuo/11.cpp:189: undefined reference to `std::istream::operator>>(int&)' D:/Code-CaoZuo/11.cpp:191: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' D:/Code-CaoZuo/11.cpp:191: undefined reference to `operator new(unsigned long long)' D:/Code-CaoZuo/11.cpp:191: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' D:/Code-CaoZuo/11.cpp:200: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/11.cpp:175: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' D:/Code-CaoZuo/11.cpp:203: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' D:/Code-CaoZuo/11.cpp:191: undefined reference to `operator delete(void*, unsigned long long)' D:/Code-CaoZuo/11.cpp:191: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' D:/Code-CaoZuo/11.cpp:175: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o: In function `displayProcesses(PCB*)': D:/Code-CaoZuo/11.cpp:208: 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*)' D:/Code-CaoZuo/11.cpp:208: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/11.cpp:209: 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*)' D:/Code-CaoZuo/11.cpp:209: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/11.cpp:213: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::operator<< <char, std::char_traits<char>, std::allocator<char> >(std::basic_ostream<char, std::char_traits<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' D:/Code-CaoZuo/11.cpp:213: 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*)' D:/Code-CaoZuo/11.cpp:213: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/11.cpp:213: 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*)' D:/Code-CaoZuo/11.cpp:213: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/11.cpp:213: 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*)' D:/Code-CaoZuo/11.cpp:214: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/11.cpp:214: 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*)' D:/Code-CaoZuo/11.cpp:214: undefined reference to `std::ostream::operator<<(int)' D:/Code-CaoZuo/11.cpp:214: 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*)' D:/Code-CaoZuo/11.cpp:217: 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*)' D:/Code-CaoZuo/11.cpp:218: 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*)' D:/Code-CaoZuo/11.cpp:219: 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*)' D:/Code-CaoZuo/11.cpp:221: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o: In function `freeProcesses(PCB*)': D:/Code-CaoZuo/11.cpp:233: undefined reference to `operator delete(void*, unsigned long long)' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o: In function `main': D:/Code-CaoZuo/11.cpp:241: 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*)' D:/Code-CaoZuo/11.cpp:241: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/11.cpp:242: 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*)' D:/Code-CaoZuo/11.cpp:242: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/11.cpp:243: 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*)' D:/Code-CaoZuo/11.cpp:243: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/11.cpp:244: 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*)' D:/Code-CaoZuo/11.cpp:245: undefined reference to `std::istream::operator>>(int&)' D:/Code-CaoZuo/11.cpp:247: 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*)' D:/Code-CaoZuo/11.cpp:248: undefined reference to `std::istream::operator>>(int&)' D:/Code-CaoZuo/11.cpp:254: 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*)' D:/Code-CaoZuo/11.cpp:263: 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*)' D:/Code-CaoZuo/11.cpp:263: undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))' D:/Code-CaoZuo/11.cpp:267: 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*)' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o: In function `__tcf_0': E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/iostream:74: undefined reference to `std::ios_base::Init::~Init()' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o: In function `__static_initialization_and_destruction_0': E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/iostream:74: undefined reference to `std::ios_base::Init::Init()' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o:11.cpp:(.xdata+0x34): undefined reference to `__gxx_personality_seh0' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o: In function `PCB::PCB(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int, int, int)': D:/Code-CaoZuo/11.cpp:26: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o: In function `PCB::~PCB()': D:/Code-CaoZuo/11.cpp:13: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o: In function `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > __gnu_cxx::__to_xstring<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, char>(int (*)(char*, unsigned long long, char const*, char*), unsigned long long, char const*, ...)': E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/ext/string_conversions.h:115: undefined reference to `std::allocator<char>::allocator()' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/ext/string_conversions.h:115: undefined reference to `std::allocator<char>::~allocator()' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/ext/string_conversions.h:115: undefined reference to `std::allocator<char>::~allocator()' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o:11.cpp:(.xdata$_ZN9__gnu_cxx12__to_xstringINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcEET_PFiPT0_yPKS8_PcEySB_z+0xc): undefined reference to `__gxx_personality_seh0' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o: In function `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Alloc_hider::~_Alloc_hider()': E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.h:139: undefined reference to `std::allocator<char>::~allocator()' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o: In function `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > std::operator+<char, std::char_traits<char>, std::allocator<char> >(char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&)': E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.h:5979: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::insert(unsigned long long, char const*)' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.h:5979: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&)' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o: In function `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string<char*, void>(char*, char*, std::allocator<char> const&)': E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.h:606: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_local_data()' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.h:606: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Alloc_hider::_Alloc_hider(char*, std::allocator<char> const&)' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o:11.cpp:(.xdata$_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC1IPcvEET_S7_RKS3_+0xc): undefined reference to `__gxx_personality_seh0' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o: In function `void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char*>(char*, char*, std::forward_iterator_tag)': E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:212: undefined reference to `std::__throw_logic_error(char const*)' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:219: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_create(unsigned long long&, unsigned long long)' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:219: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_data(char*)' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:220: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_capacity(unsigned long long)' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:225: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_data() const' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:225: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_S_copy_chars(char*, char*, char*)' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:232: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_set_length(unsigned long long)' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:226: undefined reference to `__cxa_begin_catch' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:228: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_dispose()' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:229: undefined reference to `__cxa_rethrow' E:/VScode/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/basic_string.tcc:226: undefined reference to `__cxa_end_catch' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o:11.cpp:(.xdata$_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_M_constructIPcEEvT_S7_St20forward_iterator_tag+0xc): undefined reference to `__gxx_personality_seh0' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o:11.cpp:(.rdata$.refptr._ZSt3cin[.refptr._ZSt3cin]+0x0): undefined reference to `std::cin' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o:11.cpp:(.rdata$.refptr._ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_[.refptr._ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_]+0x0): undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::endl<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&)' C:\Users\HUAWEI\AppData\Local\Temp\cc45uoJX.o:11.cpp:(.rdata$.refptr._ZSt4cout[.refptr._ZSt4cout]+0x0): undefined reference to `std::cout' collect2.exe: error: ld returned 1 exit status 生成已完成，但出现错误。 * 终端进程启动失败(退出代码: -1)。 * 终端将被任务重用，按任意键关闭。
09-29
<think>根据提供的引用信息和用户需求，用户在使用gcc.exe编译C++文件时遇到"undefined reference"错误，主要涉及标准库函数（如std::cout）未定义引用。这类错误通常与链接器未能正确链接C++标准库有关。下面将结合...
49725@DESKTOP-CB4LRLP /cygdrive/f/S $ g++ -o screensaver_clock F:/S/screensaver_clock.cpp -lgdiplus -mwindows F:/S/screensaver_clock.cpp: In function 'void SetFontSize(HWND)': F:/S/screensaver_clock.cpp:21:54: error: no matching function for call to 'std::basic_ofstream<wchar_t>::open(std::__cxx11::wstring&, const openmode&)' logFile.open(g_runtimeFilePath, std::ios::app); ^ In file included from F:/S/screensaver_clock.cpp:2: D:/wingcc/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/fstream:851:7: note: candidate: 'void std::basic_ofstream<_CharT, _Traits>::open(const char*, std::ios_base::openmode) [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; std::ios_base::openmode = std::_Ios_Openmode]' open(const char* __s, ios_base::openmode __mode = ios_base::out) ^~~~ D:/wingcc/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/fstream:851:7: note: no known conversion for argument 1 from 'std::__cxx11::wstring' {aka 'std::__cxx11::basic_string<wchar_t>'} to 'const char*' D:/wingcc/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/fstream:871:7: note: candidate: 'void std::basic_ofstream<_CharT, _Traits>::open(const string&, std::ios_base::openmode) [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; std::__cxx11::string = std::__cxx11::basic_string<char>; std::ios_base::openmode = std::_Ios_Openmode]' open(const std::string& __s, ios_base::openmode __mode = ios_base::out) ^~~~ D:/wingcc/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/fstream:871:7: note: no known conversion for argument 1 from 'std::__cxx11::wstring' {aka 'std::__cxx11::basic_string<wchar_t>'} to 'const string&' {aka 'const std::__cxx11::basic_string<char>&'} F:/S/screensaver_clock.cpp: In function 'void SetTitle(HWND)': F:/S/screensaver_clock.cpp:32:54: error: no matching function for call to 'std::basic_ofstream<wchar_t>::open(std::__cxx11::wstring&, const openmode&)' logFile.open(g_runtimeFilePath, std::ios::app); ^ In file included from F:/S/screensaver_clock.cpp:2: D:/wingcc/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/fstream:851:7: note: candidate: 'void std::basic_ofstream<_CharT, _Traits>::open(const char*, std::ios_base::openmode) [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; std::ios_base::openmode = std::_Ios_Openmode]' open(const char* __s, ios_base::openmode __mode = ios_base::out) ^~~~ D:/wingcc/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/fstream:851:7: note: no known conversion for argument 1 from 'std::__cxx11::wstring' {aka 'std::__cxx11::basic_string<wchar_t>'} to 'const char*' D:/wingcc/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/fstream:871:7: note: candidate: 'void std::basic_ofstream<_CharT, _Traits>::open(const string&, std::ios_base::openmode) [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; std::__cxx11::string = std::__cxx11::basic_string<char>; std::ios_base::openmode = std::_Ios_Openmode]' open(const std::string& __s, ios_base::openmode __mode = ios_base::out) ^~~~ D:/wingcc/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/fstream:871:7: note: no known conversion for argument 1 from 'std::__cxx11::wstring' {aka 'std::__cxx11::basic_string<wchar_t>'} to 'const string&' {aka 'const std::__cxx11::basic_string<char>&'} F:/S/screensaver_clock.cpp: In function 'void SetCountdownDate(HWND)': F:/S/screensaver_clock.cpp:43:54: error: no matching function for call to 'std::basic_ofstream<wchar_t>::open(std::__cxx11::wstring&, const openmode&)' logFile.open(g_runtimeFilePath, std::ios::app); ^ In file included from F:/S/screensaver_clock.cpp:2: D:/wingcc/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/fstream:851:7: note: candidate: 'void std::basic_ofstream<_CharT, _Traits>::open(const char*, std::ios_base::openmode) [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; std::ios_base::openmode = std::_Ios_Openmode]' open(const char* __s, ios_base::openmode __mode = ios_base::out) ^~~~ D:/wingcc/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/fstream:851:7: note: no known conversion for argument 1 from 'std::__cxx11::wstring' {aka 'std::__cxx11::basic_string<wchar_t>'} to 'const char*' D:/wingcc/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/fstream:871:7: note: candidate: 'void std::basic_ofstream<_CharT, _Traits>::open(const string&, std::ios_base::openmode) [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; std::__cxx11::string = std::__cxx11::basic_string<char>; std::ios_base::openmode = std::_Ios_Openmode]' open(const std::string& __s, ios_base::openmode __mode = ios_base::out) ^~~~ D:/wingcc/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/fstream:871:7: note: no known conversion for argument 1 from 'std::__cxx11::wstring' {aka 'std::__cxx11::basic_string<wchar_t>'} to 'const string&' {aka 'const std::__cxx11::basic_string<char>&'}报错，优化代码，代码全输出
05-13
<think>好的，用户现在遇到了编译错误，主要是在使用Cygwin的g++编译他们的C++程序时，关于文件流的宽字符路径问题。我需要仔细分析错误信息，找到问题根源，并提供解决方案。首先，错误信息显示在尝试打开文件流时...
代码报错 [Error] no matching function for call to 'std::basic_ifstream<wchar_t>::rdbuf(__gnu_cxx::stdio_filebuf<wchar_t>*&)' （位于最后一行 wifs.rdbuf(filebuf)）
最新发布
12-01
我们注意到 `std::wifstream` 是 `std::basic_ifstream<wchar_t>` 的别名，而 `std::basic_ifstream<wchar_t>` 是 `std::basic_istream<wchar_t>` 的派生类。但 `std::wifstream` 本身并不提供直接接受一个缓冲区...
GCC交叉编译致命陷阱揭秘：90%开发者忽略的ABI匹配问题（附解决方案）
!...# 1. GCC交叉编译中的ABI匹配问题概述 在嵌入式系统与跨平台开发中，GCC交叉编译已成为构建目标架构可执行文件的核心手段。然而，尽管编译过程看似顺利，程序在目标设备上运行时仍可能出现崩溃、函数调用错乱或...
Qt 解决“is not a member of ‘std’”错误
weixin_33998125的博客
05-25 6365
Qt教程（C＋＋ GUI Qt 4）中，第15章例程，tripserver编译出错，提示是：“is not a member of ‘std’””错误。 错误原因是：C＋＋标准库实现有问题，解决方法如下： 在主源代码中加入：#include <stddef.h> 然后出错的地方，去掉 "std::" 编译通过。 ...
error C2039,不是类成员 问题出现的原因之一与解决方法
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error C2039,不是类成员 问题出现的原因之一与解决方法 在visual stdio中编代码时，编译器有时会给代码报出 不是类成员 的错误，错误为error C2039。 场景：例如观察者模式中，两个类相互需要以对方做为自己函数的参数或本身包含对方类的指针，也需要在自己类的方法定义中调用另一个类的函数 报错原因：使用了未被声明 的类或函数，即类和函数被调用前必须声明。不然报错error C2039,不是类成员 正确步骤： 1.写出两个类的声明 2.写出两个类中成员与函数的声明
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我用海思的arm-hisiv300-linux-g++交叉编译dronecode-sdk，报错 error: 'to_string' is not a member of 'std' arm-hisiv300-linux-g++是支持c++11的，头文件<string>也包含了，还是报错。 查百度，都说是加上-std=c++11 但是我这个已经加上，还是不行，后来看了一个帖子...
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07-31 622
根据tesseract官网操作方式，使用cmake ..进行编译会提示：error C2039: "contains": 不是 "std::basic_string" 的成员。处理办法：根据错误提示command.cpp文件路径对140、142行代码进行如下图整改。重新cmake ..编译成功。
Undefined symbols for architecture arm64: "std::__1::locale::use_facet(std::__1::locale::id&) const", referenced from: std::__1::ctype<char> const& std::__1::use_facet[abi:ne180100]<std::__1::ctype<char>>(std::__1::locale const&) in CPP-ff0177.o "std::__1::ios_base::getloc() const", referenced from: std::__1::basic_ios<char, std::__1::char_traits<char>>::widen[abi:ne180100](char) const in CPP-ff0177.o "std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>::__init(unsigned long, char)", referenced from: std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>::basic_string[abi:ne180100](unsigned long, char) in CPP-ff0177.o "std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>::~basic_string()", referenced from: std::__1::ostreambuf_iterator<char, std::__1::char_traits<char>> std::__1::__pad_and_output[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::ostreambuf_iterator<char, std::__1::char_traits<char>>, char const*, char const*, char const*, std::__1::ios_base&, char) in CPP-ff0177.o std::__1::ostreambuf_iterator<char, std::__1::char_traits<char>> std::__1::__pad_and_output[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::ostreambuf_iterator<char, std::__1::char_traits<char>>, char const*, char const*, char const*, std::__1::ios_base&, char) in CPP-ff0177.o "std::__1::basic_istream<char, std::__1::char_traits<char>>::operator>>(int&)", referenced from: _main in CPP-ff0177.o _main in CPP-ff0177.o _main in CPP-ff0177.o _main in CPP-ff0177.o "std::__1::basic_ostream<char, std::__1::char_traits<char>>::put(char)", referenced from: std::__1::basic_ostream<char, std::__1::char_traits<char>>& std::__1::endl[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&) in CPP-ff0177.o "std::__1::basic_ostream<char, std::__1::char_traits<char>>::flush()", referenced from: std::__1::basic_ostream<char, std::__1::char_traits<char>>& std::__1::endl[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&) in CPP-ff0177.o "std::__1::basic_ostream<char, std::__1::char_traits<char>>::sentry::sentry(std::__1::basic_ostream<char, std::__1::char_traits<char>>&)", referenced from: std::__1::basic_ostream<char, std::__1::char_traits<char>>& std::__1::__put_character_sequence[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, char const*, unsigned long) in CPP-ff0177.o "std::__1::basic_ostream<char, std::__1::char_traits<char>>::sentry::~sentry()", referenced from: std::__1::basic_ostream<char, std::__1::char_traits<char>>& std::__1::__put_character_sequence[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, char const*, unsigned long) in CPP-ff0177.o std::__1::basic_ostream<char, std::__1::char_traits<char>>& std::__1::__put_character_sequence[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, char const*, unsigned long) in CPP-ff0177.o "std::__1::basic_ostream<char, std::__1::char_traits<char>>::operator<<(double)", referenced from: _main in CPP-ff0177.o "std::__1::basic_ostream<char, std::__1::char_traits<char>>::operator<<(int)", referenced from: _main in CPP-ff0177.o "std::__1::cin", referenced from: _main in CPP-ff0177.o "std::__1::cout", referenced from: _main in CPP-ff0177.o "std::__1::ctype<char>::id", referenced from: std::__1::ctype<char> const& std::__1::use_facet[abi:ne180100]<std::__1::ctype<char>>(std::__1::locale const&) in CPP-ff0177.o "std::__1::locale::~locale()", referenced from: std::__1::basic_ios<char, std::__1::char_traits<char>>::widen[abi:ne180100](char) const in CPP-ff0177.o std::__1::basic_ios<char, std::__1::char_traits<char>>::widen[abi:ne180100](char) const in CPP-ff0177.o "std::__1::ios_base::__set_badbit_and_consider_rethrow()", referenced from: std::__1::basic_ostream<char, std::__1::char_traits<char>>& std::__1::__put_character_sequence[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, char const*, unsigned long) in CPP-ff0177.o "std::__1::ios_base::clear(unsigned int)", referenced from: std::__1::ios_base::setstate[abi:ne180100](unsigned int) in CPP-ff0177.o "std::terminate()", referenced from: ___clang_call_terminate in CPP-ff0177.o "___cxa_begin_catch", referenced from: std::__1::basic_ostream<char, std::__1::char_traits<char>>& std::__1::__put_character_sequence[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, char const*, unsigned long) in CPP-ff0177.o ___clang_call_terminate in CPP-ff0177.o "___cxa_call_unexpected", referenced from: std::__1::char_traits<char>::length[abi:ne180100](char const*) in CPP-ff0177.o std::__1::ostreambuf_iterator<char, std::__1::char_traits<char>>::ostreambuf_iterator[abi:ne180100](std::__1::basic_ostream<char, std::__1::char_traits<char>>&) in CPP-ff0177.o "___cxa_end_catch", referenced from: std::__1::basic_ostream<char, std::__1::char_traits<char>>& std::__1::__put_character_sequence[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, char const*, unsigned long) in CPP-ff0177.o std::__1::basic_ostream<char, std::__1::char_traits<char>>& std::__1::__put_character_sequence[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, char const*, unsigned long) in CPP-ff0177.o "___gxx_personality_v0", referenced from: /private/var/folders/nt/_wsd9hj903q7pgvy73frnx4c0000gn/T/CPP-ff0177.o ld: symbol(s) not found for architecture arm64 clang: error: linker command failed with exit code 1 (use -v to see invocation) v_fengte@MacBook-Pro ddd %
07-01
你遇到的错误是典型的 **C++ 链接器错误（Undefined symbols）**，表明编译过程成功但链接失败。这通常发生在使用 C++ 标准库时，但没有正确链接标准库或编译器调用方式不正确。 --- ## ✅ 问题分析 你看到的错误信息如： ``` Undefined symbols for architecture arm64: "std::__1::locale::use_facet(...)", "std::__1::basic_string<...>::__init(...)", "std::terminate()", ... ``` 说明程序引用了 **C++ 标准库中的符号**，但在链接阶段找不到这些实现。这意味着： ### ❌ 错误原因可能包括： 1. **你使用了 `.c` 扩展名保存 C++ 代码**，导致编译器当作 C 语言处理。 2. **使用 `gcc` 而不是 `g++` 或 `clang++` 编译 C++ 程序**，不会自动链接 C++ 标准库。 3. **缺少 `-lstdc++` 或 `-lc++` 链接标志**（在某些环境下需要显式添加）。 4. **项目配置错误**（如 Xcode 中未设置正确的 C++ 标准库）。 5. **M1/M2 Mac 上的架构兼容性问题（arm64 vs x86_64）**。 --- ## ✅ 正确做法 ### ✅ 方法一：使用 `g++` 或 `clang++` 编译 C++ 文件 确保你的源文件是 `.cpp` 结尾，并使用 `g++` 或 `clang++` 编译： ```bash clang++ your_file.cpp -o your_program ``` 或 ```bash g++ your_file.cpp -o your_program ``` ### ✅ 方法二：如果你使用的是 `.c` 文件，请重命名为 `.cpp` 例如： ```bash mv main.c main.cpp ``` 然后重新编译： ```bash clang++ main.cpp -o main ``` ### ✅ 方法三：显式链接 C++ 标准库（可选） 如果仍报错，尝试加上标准库链接选项（适用于某些旧环境）： ```bash clang++ main.cpp -o main -lc++ ``` 或 ```bash clang++ main.cpp -o main -lstdc++ ``` --- ## ✅ 示例验证 假设你有如下 C++ 程序 `main.cpp`： ```cpp #include <iostream> using namespace std; int main() { int a; cin >> a; cout << "Input: " << a << endl; return 0; } ``` 正确编译命令应为： ```bash clang++ main.cpp -o main ``` 运行结果： ```bash ./main # 输入一个数字后输出类似： # Input: 123 ``` --- ## ✅ 其他建议（Mac M1/M2 用户） - 如果你在 Apple Silicon（M1/M2）芯片上开发，确保你安装的是支持 arm64 的工具链。 - 使用 Homebrew 安装 LLVM（支持 arm64）： ```bash brew install llvm ``` - 设置别名使用最新 clang： ```bash alias clang++="/opt/homebrew/opt/llvm/bin/clang++" ``` --- ##
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