Add a QA_PYTHON_EXECUTABLE variable so QA code knows what python to use when cross compiling.
With this (and the prior) patch, you can mount the compile directory on the target and runthe QA code (as long as the paths are the same). The qtgui tests fail if there is no X...
qtgui: explicitly use this pointer in constructing validators. Support for older versions of QT.
qtgui: fft/waterfall plot parameters are checkable and
qtgui: fix for issue #615.
qtgui: fixed issue with newer versions of QT.
When creating the qApplication in the block, we have to make sure argc>0, argv contains at least one valid character (\0), and they exist over the life of the application.
qtgui: MSVC uses _copysign, not copysign
qtgui: improved handling of qtgui time plotting. Simpler work function. Triggering now handled better, including better delay functionality.
qtgui: fixed handling of trigger delay for stability.
qtgui: fixed bug with setting delay.
qtgui: fixing variable names to make it more like the rest of the code.
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