[Discuss-gnuradio] why Qt is disabled

why Qt is disabled in cmake

-- Found unsuitable Qt version "5.0.1" from /usr/bin/qmake

-- QWT Version: 5.2.2

-- 

-- Python checking for PyQt4

-- Python checking for PyQt4 - found

-- 

-- Configuring gr-qtgui support...

--   Dependency Boost_FOUND = TRUE

--   Dependency QT4_FOUND = FALSE

--   Dependency QWT_FOUND = TRUE

--   Dependency ENABLE_VOLK = ON

--   Dependency ENABLE_GNURADIO_RUNTIME = ON

--   Dependency ENABLE_GR_FFT = ON

--   Dependency ENABLE_GR_FILTER = ON

--   Dependency PYTHONLIBS_FOUND = TRUE

--   Dependency PYQT4_FOUND = TRUE

--   Disabling gr-qtgui support.

--   Override with -DENABLE_GR_QTGUI=ON/OFF

-- Boost version: 1.53.0

-- Found the following Boost libraries:

--   date_time

--   program_options

--   filesystem

--   system

--   thread

///////////////////////////////////////////

-- ######################################################

-- # Gnuradio disabled components                        

-- ######################################################

--   * sphinx

--   * gr-ctrlport

--   * gr-comedi

--   * gr-qtgui

--