mac 查看C++及各种环境的命令
MacBook-Air:$ which g++/usr/bin/g++MacBook-Air:$ archi386MacBook-Air:$ g++ --versionConfigured with: ...
花费 10 ms
MacBook-Air:$ which g++/usr/bin/g++MacBook-Air:$ archi386MacBook-Air:$ g++ --versionConfigured with: ...