QNX is not a platform LabVIEW supports, so I could not say whether it will work or not.
I found the follow discussion link on QNX and LabVIEW--it is the only thing I could find on the web.
http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RNAME=ViewQuestion&HOID=506500000008000000EC030000&ECategory=LabVIEW.LabVIEW+General
Jeremy