Mac OS 10.10安裝QT後Xcode not set up properly

在Mac OS10.10上安裝Qt5，因為僅僅安裝了Xcode6-Beta，因此，附加元件目的時候提示錯誤
Xcode not set up properly. You may need to confirm the license agreement...

解決方案：

執行以下命令

sudo xcode-select -switch /Applications/Xcode6-Beta.app/Contents/Developer

該命令修改Xcode的開發目錄為/Applications/Xcode6-Beta.app/Contents/Developer。

Usage: xcode-select [options]

Print or change the path to the active developer directory. This directory
controls which tools are used for the Xcode command line tools (for example,
xcodebuild) as well as the BSD development commands (such as cc and make).

Options:
  -h, --help                  print this help message and exit
  -p, --print-path            print the path of the active developer directory
  -s <path>, --switch <path>  set the path for the active developer directory
  --install                   open a dialog for installation of the command line developer tools
  -v, --version               print the xcode-select version
  -r, --reset                 reset to the default command line tools path