mingw - codeblocks编译c可以，编译c++一堆错误

Answer 1

I installed it and it was ready to use. I wanted to use codeblocks again to do winsock programming. I changed the compiler, and then it was the same as you.
I have tried many methods like you, but to no avail.

After I unchecked all the previously checked options, there was no problem after that:

Answer 2

Change the Global Compiler settings in your C++ compiler to mingw32-g++.exe
and use gcc to compile cpp. Although it works fine under linux~~ it may not work under windows. . :)
Also Linker for dynamic libs on my machine. mingw32-g++.exe