Suggest adding exec_depend on ros2launch for packages with launch fil…

…es (#1786) (#2138) * Suggest adding exec_dependency on ros2launch for packages with launch files Signed-off-by: Christophe Bedard <[email protected]> * Move note to 'Creating a launch file' tutorial Signed-off-by: Christophe Bedard <[email protected]> * Add link to launch file formats guide Signed-off-by: Christophe Bedard <[email protected]> (cherry picked from commit 622a1a5) Co-authored-by: Christophe Bedard <[email protected]>
ros2 · Nov 24, 2021 · eaf02b2 · eaf02b2
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commit eaf02b2
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diff --git a/source/Tutorials/Launch-Files/Creating-Launch-Files.rst b/source/Tutorials/Launch-Files/Creating-Launch-Files.rst
@@ -201,6 +201,17 @@ To launch ``turtlesim_mimic_launch.py``, enter into the directory you created ea
 
   You will learn more about :doc:`creating packages <../Creating-Your-First-ROS2-Package>` in a later tutorial.
 
+.. note::
+
+  For packages with launch files, it is a good idea to add an ``exec_depend`` dependency on the ``ros2launch`` package in your package's ``package.xml``:
+
+  .. code-block:: xml
+
+    <exec_depend>ros2launch</exec_depend>
+
+  This helps make sure that the ``ros2 launch`` command is available after building your package.
+  It also ensures that all :doc:`launch file formats <../../How-To-Guides/Launch-file-different-formats>` are recognized.
+
 Two turtlesim windows will open, and you will see the following ``[INFO]`` messages telling you which nodes your launch file has started:
 
 .. code-block:: console