Qt requires Xcode to be installed on the system. You can get it from:
http://developer.apple.com/xcode/
Qt for macOS is tested and compatible with several versions of GCC (GNU Compiler Collection) and Clang (as available from Xcode). For a list of tested configurations, refer to the 参考配置 章节的 支持平台 页面。
Qt 5 does not support OS X on PowerPC.
