+IF(APPLE)
+ set(EVENT_INPUT_SOURCES FGMacOSXEventInput.cxx)
+ set(EVENT_INPUT_HEADERS FGMacOSXEventInput.hxx)
+elseif(MSVC)
+ message(STATUS "EventInput not implemented for Windows yet")
+else()
+ set(EVENT_INPUT_SOURCES FGLinuxEventInput.cxx)
+ set(EVENT_INPUT_HEADERS FGLinuxEventInput.hxx)
+endif()