Qt for Mac OS X - Requirements

Qt requires Xcode to be installed on the system. You can get it from:

http://developer.apple.com/xcode/

Required Compiler Versions

Qt for Mac OS X 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 Reference Configuration section of the Supported Platforms page.

Mac OS X on PowerPC hardware

Qt 5 does not support OS X on PowerPC.