qtsystems5-private-dev 5.0~git20130712-0ubuntu6 (armhf binary) in ubuntu utopic

 Qt is a cross-platform C++ application framework. Qt's primary feature
 is its rich set of widgets that provide standard GUI functionality.
 .
 This package contains the private header development files for building some
 Qt 5 applications using systems private headers.
 .
 Use at your own risk.
 .
 WARNING: This module is not an official part of Qt 5, but instead a git
 snapshot of an ongoing development. The package is very likely to
 change in a binary incompatible way, and no guarantees are given.