Running a ROS node on VxWorks

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We have a robot controller that runs VxWorks. The controller supports the development of C++ applications. To date, we have been able compile and execute a program on the robot controller that communicates with an external PC via socket connections(not sure of the type). Can anybody give any insight into what would be required in order to run a ROS node on the robot controller. I assume there would be some required libraries, but given our success with socket communications, I think there is promise.