Add DEPENDS_EXPLICIT_ONLY to remove implicit dependencies #238
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Description
In Draft until ros2/rosidl#910 is reviewed.When add_custom_command is used to generate files that are then used by a target, the add_custom_command becomes implicitly dependent on the target dependencies. In rosidl add_custom_command is used to generate files from the IDL files, the generator does not depend on anything else.
This PR (and the equivalent for ros2/rosidl#910, ros2/rosidl_typesupport_fastrtps#136 and ros2/rosidl_typesupport#168) adds the DEPENDS_EXPLICIT_ONLY option of add_custom_command to most generators.
See ros2/rosidl#910 for more details
Is this user-facing behavior change?
Did you use Generative AI?
Additional Information