Hello Jochen,
> Interesting point, what would be the use case?
These messages definition could be used to generate bindings for other
programming languages and/or frameworks.
In my specific case, in YARP (another middleware for robotics similar to ROS)
we have a way to publish/subscribe to ROS publisher and subscribers, and we
have a tool to generate bindings for ROS messages that do not use ROS libraries
using the message definition.
We have a very small number of dependencies, and we cannot use the -dev package
because it depends on many other packages, therefore at the moment we are
forced to include in each module a copy of the definition of the messages used,
but that's obviously redundant, and it would be a lot better if they were
installed somewhere on the system.
> Should we put it into an extra package or in the library?
I'd like to have it in a separate package, with a very small number of
dependencies.
In an ideal situation I'd like to call from CMake something like this:
find_package(std_msgs REQUIRED)
generate_bindings("$std_msgs_MSG_DIR}/std_msgs/String.msg")
Cheers,
Daniele
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