mac使用brew install安装时老是报错怎么解决

在mac使用brew install安装时老是报错，因为苹果已经不允许Homebrew作为根来安装了。详细提示：Running Homebrew as root is extremely dangerous and no longer supported.As Homebrew does not drop privileges on installation you would be giving allbuild scripts full access to your system.解决方案