macOS Sierra升级到macOS High Sierra后执行cc,git命令报错 macOS Sierra升级到macOS High Sierra后执行cc,git等命令报错，错误信息如下： xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun 1 xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun 解决方法如下： $ xcode-select --install 1 $ xcode-select --install 参考链接 mac更新系统后Git不能用，提示missing xcrun at