Your C++ compiler does NOT fully support C++17

参考:https://stackoverflow.com/questions/65284572/your-c-compiler-does-not-fully-support-c17

sudo apt-get install g++-8
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 700 --slave /usr/bin/g++ g++ /usr/bin/g++-7
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-8 800 --slave /usr/bin/g++ g++ /usr/bin/g++-8