Trouble making rviz plugin

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I'm learning how to make a simple rviz plugin and I'm running into some trouble. The errors sound like maybe some includes are missing but I'm not sure. What is the next logical troubleshooting step after this?

 $ make_catkin
make_catkin: command not found
jackson@jackson-VirtualBox:~/catkin_ws$ catkin_make
Base path: /home/jackson/catkin_ws
Source space: /home/jackson/catkin_ws/src
Build space: /home/jackson/catkin_ws/build
Devel space: /home/jackson/catkin_ws/devel
Install space: /home/jackson/catkin_ws/install
####
#### Running command: "make cmake_check_build_system" in "/home/jackson/catkin_ws/build"
####
####
#### Running command: "make -j2 -l2" in "/home/jackson/catkin_ws/build"
####
[ 50%] [100%] Built target polygon_plugins
Building CXX object pluginlib_tutorials_/CMakeFiles/polygon_loader.dir/src/polygon_loader.cpp.o
/home/jackson/catkin_ws/src/pluginlib_tutorials_/src/polygon_loader.cpp: In function ‘int main(int, char**)’:
/home/jackson/catkin_ws/src/pluginlib_tutorials_/src/polygon_loader.cpp:6:26: error: ‘polygon_base’ was not declared in this scope
   pluginlib::ClassLoader<polygon_base::RegularPolygon> poly_loader("pluginlib_tutorials_", "polygon_base::RegularPolygon");
                          ^
/home/jackson/catkin_ws/src/pluginlib_tutorials_/src/polygon_loader.cpp:6:54: error: template argument 1 is invalid
   pluginlib::ClassLoader<polygon_base::RegularPolygon> poly_loader("pluginlib_tutorials_", "polygon_base::RegularPolygon");
                                                      ^
/home/jackson/catkin_ws/src/pluginlib_tutorials_/src/polygon_loader.cpp:6:67: error: invalid type in declaration before ‘(’ token
   pluginlib::ClassLoader<polygon_base::RegularPolygon> poly_loader("pluginlib_tutorials_", "polygon_base::RegularPolygon");
                                                                   ^
/home/jackson/catkin_ws/src/pluginlib_tutorials_/src/polygon_loader.cpp:6:122: error: expression list treated as compound expression in initializer [-fpermissive]
   pluginlib::ClassLoader<polygon_base::RegularPolygon> poly_loader("pluginlib_tutorials_", "polygon_base::RegularPolygon");
                                                                                                                          ^
/home/jackson/catkin_ws/src/pluginlib_tutorials_/src/polygon_loader.cpp:6:122: error: invalid conversion from ‘const char*’ to ‘int’ [-fpermissive]
/home/jackson/catkin_ws/src/pluginlib_tutorials_/src/polygon_loader.cpp:10:51: error: type/value mismatch at argument 1 in template parameter list for ‘template<class T> class boost::shared_ptr’
     boost::shared_ptr<polygon_base::RegularPolygon> triangle = poly_loader.createInstance("polygon_plugins::Triangle");
                                                   ^
/home/jackson/catkin_ws/src/pluginlib_tutorials_/src/polygon_loader.cpp:10:51: error:   expected a type, got ‘polygon_base’
/home/jackson/catkin_ws/src/pluginlib_tutorials_/src/polygon_loader.cpp:10:62: error: invalid type in declaration before ‘=’ token
     boost::shared_ptr<polygon_base::RegularPolygon> triangle = poly_loader.createInstance("polygon_plugins::Triangle");
                                                              ^
/home/jackson/catkin_ws/src/pluginlib_tutorials_/src/polygon_loader.cpp:10:76: error: request for member ‘createInstance’ in ‘poly_loader’, which is of non-class type ‘int’
     boost::shared_ptr<polygon_base::RegularPolygon> triangle = poly_loader.createInstance("polygon_plugins::Triangle");
                                                                            ^
/home/jackson/catkin_ws/src/pluginlib_tutorials_/src/polygon_loader.cpp:11:13: error: base operand of ‘->’ is not a pointer
     triangle->initialize(10.0);
             ^
/home/jackson/catkin_ws/src/pluginlib_tutorials_/src/polygon_loader.cpp:13:51: error: type/value mismatch at argument 1 in template parameter list for ‘template<class T> class boost::shared_ptr’
     boost::shared_ptr<polygon_base::RegularPolygon> square = poly_loader.createInstance("polygon_plugins::Square");
                                                   ^
/home/jackson/catkin_ws/src/pluginlib_tutorials_/src/polygon_loader.cpp:13:51: error:   expected a type, got ‘polygon_base’
/home/jackson/catkin_ws/src/pluginlib_tutorials_/src/polygon_loader.cpp:13:60: error: invalid type in declaration before ‘=’ token
     boost::shared_ptr<polygon_base::RegularPolygon> square = poly_loader.createInstance("polygon_plugins::Square");
                                                            ^
/home/jackson/catkin_ws/src/pluginlib_tutorials_/src/polygon_loader.cpp:13:74: error: request for member ‘createInstance’ in ‘poly_loader’, which is of non-class type ‘int’
     boost::shared_ptr<polygon_base::RegularPolygon> square = poly_loader.createInstance("polygon_plugins::Square");
                                                                          ^
/home/jackson/catkin_ws/src/pluginlib_tutorials_/src/polygon_loader ...