On the mac you cannot pass '-graphicssystem raster -opengl' in the projects pane to the QML viewer

running qml with -graphicssystem raster -opengl is the recommended way yet it is not possible using the projects pane. It results in
Usage: qml [options] <filename>

options:
-v, -version ............................. display version
-frameless ............................... run with no window frame
-maximized................................ run maximized
-fullscreen............................... run fullscreen
-stayontop................................ keep viewer window on top
-skin <qvfbskindir> ...................... run with a skin window frame
"list" for a list of built-ins
-resizeview .............................. resize the view, not the skin
-qmlbrowser .............................. use a QML-based file browser
-recordfile <output> ..................... set video recording file

• ImageMagick 'convert' for GIF)
• png file for raw frames
• 'ffmpeg' for other formats
  -recorddither ordered|threshold|floyd .... set GIF dither recording mode
  -recordrate <fps> ........................ set recording frame rate
  -record arg .............................. add a recording process argument
  -autorecord [from-]<tomilliseconds> ...... set recording to start and stop
  -devicekeys .............................. use numeric keys (see F1)
  -dragthreshold <size> .................... set mouse drag threshold size
  -netcache <size> ......................... set disk cache to size bytes
  -translation <translationfile> ........... set the language to run in
  -L <directory> ........................... prepend to the library search path,
  display path if <directory> is empty
  -opengl .................................. use a QGLWidget for the viewport
  -script <path> ........................... set the script to use
  -scriptopts <options>|help ............... set the script options to use

Press F1 for interactive help
/Users/Nigels/qt/qt/bin/qml.app exited with code 1