diff -urN gazebo-8.3.0.orig/gazebo/msgs/generator/GazeboGenerator.cc gazebo-8.3.0/gazebo/msgs/generator/GazeboGenerator.cc
--- gazebo-8.3.0.orig/gazebo/msgs/generator/GazeboGenerator.cc	2018-02-10 19:21:42.000000000 +0000
+++ gazebo-8.3.0/gazebo/msgs/generator/GazeboGenerator.cc	2018-11-23 13:32:20.387386645 +0000
@@ -21,6 +21,7 @@
 #include <google/protobuf/io/zero_copy_stream.h>
 #include <google/protobuf/descriptor.pb.h>
 #include <boost/algorithm/string/replace.hpp>
+#include <boost/scoped_ptr.hpp>
 
 #include <vector>
 #include <utility>