windows 下 g++编译.cpp 文件,执行生成的.exe 文件,显示无法定位程序输入点于动态链接库 - V2EX
Keen06
V2EX    C++

windows 下 g++编译.cpp 文件,执行生成的.exe 文件,显示无法定位程序输入点于动态链接库

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  •   Keen06 Mar 11, 2022 3155 views
    This topic created in 1549 days ago, the information mentioned may be changed or developed.

    情况为在代码中使用 STL 库中的 vector 模板时出错,编译没报错,执行可执行文件时报错

    源代码:

    #include<iostream> #include<vector> using namespace std; int main(){ vector<int> a; int cap = a.capacity(); cout<<cap<<endl; for(int i = 0; i<=cap;i++){ a.push_back(1); } cout<<a.capacity()<<endl; return 0; } 

    出错信息: 无法定位程序输入点_gxx_personality_sj0 于动态链接库...\a.exe(可执行文件所在目录)

    不知道哪里出错了,不使用 vector 模板可以正常运行,该怎么解决呢,谢谢大家了!

    Supplement 1    Mar 11, 2022
    自己查了查,发现在编译的时候加上 -static 或-static-libstdc++, 强制静态链接库就 ok 了。。。感觉还是了解的太少
    8 replies    2022-03-12 22:58:59 +08:00
    proxytoworld
        1
    proxytoworld  
       Mar 11, 2022
    实测没问题
    Keen06
        2
    Keen06  
    OP
       Mar 11, 2022
    @proxytoworld 不是代码问题,感觉是编译器的链接方式问题,具体不太清楚,直接强制静态链接暴力解决。。。。
    Keen06
        3
    Keen06  
    OP
       Mar 11, 2022
    @proxytoworld 感谢回复哈哈哈
    pursuer
        4
    pursuer  
       Mar 11, 2022
    估计是 Windows 找到版本不一致的 g++运行时了。。详细的可能要查 PATH 变量了,或者调试器调一下
    12101111
        5
    12101111  
       Mar 11, 2022
    你要把 mingw 的运行时库复制到 exe 所在的目录
    darknoll
        6
    darknoll  
       Mar 12, 2022 via Android
    设置环境变量
    Keen06
        7
    Keen06  
    OP
       Mar 12, 2022
    多谢大家回复了
    tinkerer
        8
    tinkerer  
       Mar 12, 2022
    windows 下尽量用 msvc
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