我正在尝试编译一个游戏,但收到 100 多个错误,例如:
C:\Users\AppData\Local\Temp\cctQCagR.o: In function `load_image(std::string)':
main.cpp:(.text+0x4bd4): undefined reference to `std::string::c_str() const'
C:\Users\Bill\AppData\Local\Temp\cctQCagR.o: In function `createShip(float, float)':
main.cpp:(.text+0x4da4): undefined reference to `std::allocator<char>::allocator()'
main.cpp:(.text+0x4dbc): undefined reference to `std::basic_string<char, std::char_tra
its<char>, std::allocator<char> >::basic_string(char const*, std::allocator<char> cons
t&)'
main.cpp:(.text+0x4de4): undefined reference to `std::basic_string<char, std::char_tra
its<char>, std::allocator<char> >::~basic_string()'
main.cpp:(.text+0x4e04): undefined reference to `std::basic_string<char, std::char_tra
its<char>, std::allocator<char> >::~basic_string()'
main.cpp:(.text+0x4e1c): undefined reference to `std::allocator<char>::~allocator()'
main.cpp:(.text+0x4e28): undefined reference to `std::allocator<char>::allocator()'
main.cpp:(.text+0x4e40): undefined reference to `std::basic_string<char, std::char_tra
its<char>, std::allocator<char> >::basic_string(char const*, std::allocator<char> cons
t&)'
main.cpp:(.text+0x4e60): undefined reference to `std::allocator<char>::~allocator()'
main.cpp:(.text+0x4e70): undefined reference to `__cxa_end_cleanup'
main.cpp:(.text+0x4e98): undefined reference to `std::basic_string<char, std::char_tra
its<char>, std::allocator<char> >::~basic_string()'
main.cpp:(.text+0x4eb8): undefined reference to `std::basic_string<char, std::char_tra
its<char>, std::allocator<char> >::~basic_string()'
main.cpp:(.text+0x4ed0): undefined reference to `std::allocator<char>::~allocator()'
main.cpp:(.text+0x4ef4): undefined reference to `std::allocator<char>::~allocator()'
main.cpp:(.text+0x4f04): undefined reference to `__cxa_end_cleanup'
C:\Users\Bill\AppData\Local\Temp\cctQCagR.o: In function `load_files()':
main.cpp:(.text+0x5164): undefined reference to `std::allocator<char>::allocator()'
main.cpp:(.text+0x517c): undefined reference to `std::basic_string<char, std::char_tra
its<char>, std::allocator<char> >::basic_string(char const*, std::allocator<char> cons
t&)'
我相信您正在尝试使用 gcc 而不是 g++ 来编译 main.cpp。
#include <string>
#include <stdio.h>
int main()
{
std::string bla;
bla = "BLA BLA";
printf("%s\n",bla.c_str());
return 0;
}
如果您使用 gcc 构建上述代码片段,您会收到您提到的错误。
如果你使用 g++ 它构建正常,这是有道理的,因为 g++ 将确保在构建 C++ 时将所有正确的东西放在一起。
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