msys2 + clion安装所需的mingw64编译环境

pacman -S mingw-w64-x86_64-toolchain

输出结果为：

$ pacman -S mingw-w64-x86_64-toolchain
:: 在组 mingw-w64-x86_64-toolchain 中有 17 成员：
:: 软件仓库 mingw64
1) mingw-w64-x86_64-binutils 2) mingw-w64-x86_64-crt-git
3) mingw-w64-x86_64-gcc 4) mingw-w64-x86_64-gcc-ada
5) mingw-w64-x86_64-gcc-fortran 6) mingw-w64-x86_64-gcc-libgfortran
7) mingw-w64-x86_64-gcc-libs 8) mingw-w64-x86_64-gcc-objc
9) mingw-w64-x86_64-gdb 10) mingw-w64-x86_64-headers-git
11) mingw-w64-x86_64-libmangle-git 12) mingw-w64-x86_64-libwinpthread-git
13) mingw-w64-x86_64-make 14) mingw-w64-x86_64-pkg-config
15) mingw-w64-x86_64-tools-git 16) mingw-w64-x86_64-winpthreads-git
17) mingw-w64-x86_64-winstorecompat-git

选择安装gcc ,gdb ,make的安装序号即可

参考：

https://blog.csdn.net/weixin_41624493/article/details/80639775

https://blog.csdn.net/imzhujun/article/details/80707635