Error installing on Raspbian Buster

[rafaelmaeuer]

After a successful installation of ROS Melodic on a Raspberry Pi 3+ (Debian Buster) the installation of Rosflight fails when executing this command:

rosdep -y install --ignore-src --from-path rosflight

ERROR: the following packages/stacks could not have their rosdep keys resolved to system dependencies: rosflight_sim: No definition of [gazebo_ros] for OS version [buster] rosflight_utils: No definition of [gazebo_msgs] for OS version [buster] rosflight: No definition of [eigen_stl_containers] for OS version [buster]

Seems to me it's not compatible with the newest Raspbian (Buster) yet?

[rafaelmaeuer]

OK it might be my fault, regarding this information from the docs:

The only requirement for the companion computer is that it runs Linux (Ubuntu LTS versions 16.04 or 18.04)

So I need to run ubuntu on the Raspberry Pi?

[superjax]

Ubuntu is the only officially supported build environment, but you should be able to work around it. You probably won't be able to install from repos with raspbian (as it might not have all the packages you need); however, you can probably just install the missing dependencies from source.

You actually don't need gazebo. Check out rosflight_sim/CMakeLists lines 4 and 5. If gazebo is not found, the whole simulation package is skipped silently. We did this so that you can build rosflight from source on an SBC without needing the whole gazebo simulation stack.

You will need eigen_stl_containers, however, so just clone the repo into your catkin_ws/src folder (just like any other ROS package) and it should build just fine.

[rafaelmaeuer]

hey thank you so much, I installed the eigen_stl_containers as described, but the error message persists. So first, how can I exclude gazebo from my build, and secondly how can I tell it that eigen_stl_containers is already there?

[superjax]

Don't use rosdep just try catkin_make

On Mon, Oct 21, 2019 at 1:15 PM rafaelmaeuer notifications@github.com wrote:

hey thank you so much, I installed the eigen_stl_containers as described, but the error message persists. So first, how can I exclude gazebo from my build, and secondly how can I tell it that eigen_stl_containers is already there?

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[rafaelmaeuer]

When I run catkin_make I get following error:

When I run catkin_make_isolated I get a permission denied error (running with sudo not possible)

IOError: [Errno 13] Permission denied: '/home/pi/ros_catkin_ws/build_isolated/.built_by'

[superjax]

Based on the error message, it looks like there are non-catkin packages in your workspace.

what does your directory structure look like? You should have

- catkin_ws
| - CMakeLists.txt 
| - src
| - | - rosflight
| - | - eigen_stl_containers

[rafaelmaeuer]

in src folder there are way more packages (50?) it looks like this:

- catkin_ws
| - src
| - | - actionlib
| - | - angles
...
| - | - CMakeLists.txt 
| - | - cmake_modules
...
| - | - eigen_stl_containers
...
| - | - rosflight
| - | - .rosinstall
...
| - | - webkit_dependency
| - | - xacro

[rafaelmaeuer]

Never mind I succeeded installing ubuntu on the Pi so I can use the prebuild packages. But in general it would be interesting to use it with Raspbian too!