ROS beginner tutorials building nodes issue

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I am working through the ROS begnner tutorials, specifically on this section I am running into an issue:

http://wiki.ros.org/ROS/Tutorials/Wri...

I am using ROS kinetic and Ubuntu16.04 LTS.

I section 3, I have added the extra lines below to the CMakeLists.txt file:

add_executable(talker src/talker.cpp)

target_link_libraries(talker ${catkin_LIBRARIES})

add_dependencies(talker beginner_tutorials_generate_messages_cpp)

add_executable(listener src/listener.cpp)

target_link_libraries(listener ${catkin_LIBRARIES})

add_dependencies(listener beginner_tutorials_generate_messages_cpp)

Once these are added, I have saved the .txt file and have then run the following command to add dependencies for the executable targets to message generation targets:

add_dependencies(talker beginner_tutorials_generate_messages_cpp)

Note that the abve command had to be edidet to escape the brackets, it now looks like below:

add_dependencies(talker beginner_tutorials_generate_messages_cpp)

However, when I run this command I get the following error:

add_dependencies(talker: command not found

I am unsure why this is, I have seen similar issues on forums such as here https://answers.ros.org/question/6741..., but could not find a solution for mine, maybe I have missed the solution somewhere.

Has anyone come across this before and has a solution?

Below is my CMakeLists.txt file (Note that I have put a . between the # so as the text does not look so large.

cmake_minimum_required(VERSION 2.8.3)

project(beginner_tutorials)

.#.# Find catkin and any catkin packages

find_package(catkin REQUIRED COMPONENTS

roscpp

rospy

std_msgs

message_generation

)

.#.#. Declare ROS messages and services

add_message_files(

FILES

Num.msg

)

add_service_files(

FILES

AddTwoInts.srv

)

.#.# Generate added messages and services

generate_messages(

DEPENDENCIES

std_msgs

)

.#.# Declare a catkin package

catkin_package(

CATKIN_DEPENDS message_runtime

)

.#.# Build talker and listener

${catkin_INCLUDE_DIRS}

)

add_executable(

talker src/talker.cpp

)

target_link_libraries(

talker ${catkin_LIBRARIES}

)

add_dependencies(

talker beginner_tutorials_generate_messages_cpp

)

add_executable(

listener src/listener.cpp

)

target_link_libraries(

listener ${catkin_LIBRARIES}

)

add_dependencies(

listener beginner_tutorials_generate_messages_cpp

)