Compile or port linux app to windows

I need to port a linux app to windows. The app is guacd. It is part of the guacamole project..Either a cygwin port or a native port is fine. Although I dont want cygwin to have to be installed in orde I need to port a linux app to windows. The app is guacd. It is part of the guacamole project..Either a cygwin port or a native port is fine. Although I dont want cygwin to have to be installed in order for guacd to be able to run.At a minimum, I need the RDP protocol functional.Later I would like to port it to mac as well. You...