message: debug: print RTK_LIBRARIES on travis
diff: @@ -14,3 +14,6 @@ endif()
  add_executable(HelloWorld HelloWorld.cxx )
  target_link_libraries(HelloWorld ${RTK_LIBRARIES})
  target_link_libraries(HelloWorld ${ITK_LIBRARIES})
  +
  +
  +MESSAGE("DEBUG RTK_LIBRARIES ${RTK_LIBRARIES}")
  \ No newline at end of file
  