- MapGraphicsView.h requires GRAPHICSVIEW_SUPPORTED macro to be defined - Macro is normally defined in ArcGISQt_global.h based on Q_OS_LINUX - Explicitly define GRAPHICSVIEW_SUPPORTED in ArcGIS::ArcGIS target - Fixes QPointer<MapGraphicsView> incomplete type error in Qt6 builds Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>