Mac 安装Qt5.1编译出现的错误解决

错误提示：

:-1: 错误:Xcode is not installed in /Volumes/Xcode/Xcode.app/Contents/Developer. Please use xcode-select to choose Xcode installation path.

解决：

1.找到Xcode的安装路径，拖到终端，输入pwd，得到路径

2.然后输入命令：  

sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer

3.查看路径是否改变：
xcode-select -print-path

4.重新运行Qt,编译成功