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Python2 et catkin still seems to be needed for ROS2 Crystal

**System Used:** Docker Built Ubuntu 18.04 I followed the Linux Build ROS2 [tutorial](https://index.ros.org/doc/ros2/Installation/Linux-Development-Setup/). My Dockerfile is mainly the [development...

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Upgrading catkin to 0.7.16 on ROS Kinetic

I ran into an issue while trying to compile with catkin which was recently solved and merged to the distro's `kinetic-devel` branch. It is issue [#955](https://github.com/ros/catkin/pull/955), which...

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Catkin Doesn't Play Nice With Google Mock

My team is currently transitioning from Ubuntu 12.04 and ROS Fuerte to Ubuntu 14.04 and ROS Indigo. All of our software is heavily tested using gtest and gmock. The latter is proving particularly...

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Build catkin packages with colcon

Hello all, in my ROS2 workspace I want to build a package which uses the catkin build system (https://github.com/fzi-forschungszentrum-informatik/Lanelet2). From the colcon documentation I take that it...

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Turn existing GUI into rqt plugin, errors in plugin_bridge.h

I have implemented a GUI in ROS with a custom UI file, using catkin_create_qt_pkg, to my knowledge this is qt4. Based on https://www.cnblogs.com/casperwin/p/6206193.html I am currently trying to turn...

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ros code generator c++

Hi everyone, I have not been able to find things with this. What I would like to write (or to use, if already existing) would be a tool like catkin_create_pkg, but where 1. you can specify the number...

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CLion not-catkin packages

I am using CLION for development of ROS C++ files. In my project some files are not catkin compatible but standalone CPP packages. When loading the top level CMakeLists into CLion, I receive an error,...

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Fixing installation of bash script

Playing with catkin_lint, I found out about this mistake: $ catkin lint -W2 --pkg my_pkg my_pkg: warning: file 'scripts/foo.sh' is executable but not installed but in my CMakelists I have:...

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catkin_make vs catkin_make_isolated, which is preferred?

During our recent work on the ROS Visual Studio Code plugin (https://github.com/ajshort/vscode-ros, we're still working on a fork), we have noticed that the plugin is assuming the workspace to have...

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catkin-pkg distribution was not found

Hi ROS-Community, I am using ubuntu 16.04 with ROS Kinetic build from source. Today I tried to recompile my workspace, but now I get some errors using catkin_find_pkg, which does not allow me to...

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v4r_ros_wrappers not compiling in xenial ros kinetic ¨error: ‘Camera’ does...

I did install the V4R vision for robot library, but when trying to catkin_make the wrappers I keep getting an error, downloaded both v4r and v4r_ros_wrappers from https://rgit.acin.tuwien.ac.at/v4r I...

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Porting Qt packages from Kinetic to Melodic

When trying to compile in ROS Melodic packages created using catkin_create_qt_pkg in ROS Kinetic, catkin_make fails with the message: -- Could NOT find qt_build (missing: qt_build_DIR) -- Could not...

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How to Build with Extra Warning Flags without ROS Header Warnings?

I'm attempting to enable the -Wextra and -Wall flags in my packages such that potential bugs can be caught from these warnings. Enabling these flags causes a huge cascade of warnings from ROS headers...

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Faulty navigational behaviour

I have a GoPiGo (Raspberry Pi b+) that uses RPLIdar A2 for scanning. I've been trying for a long time to get mapping working properly with movement. I've searched a lot on how to fix my problems but...

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Specifying CMake options for external CMake project

Hi! I'd like to use the following to wrap a CMake-native project in a catkin environment by exporting the build_type as cmake: (Code preview on GitHub issue: https://github.com/ros/catkin/issues/1007)...

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cannot compile - catkin vs. ros-melodic on ubuntu 18.04

Hi, I know that this issue is partially redundant but after days of research I cannot find any suitabel answer: I am usung odroid C2 on Ubuntu 18.04 (3.16.65.39) from hardkernel and I am trying to...

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Error running ros in docker conatiner

Hi I am getting the following error when the simulator connects with the ros server. The roslaunch is successful. - Traceback (most recent call last): File...

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CMake Error: /catkin_ws/build/catkin/catkin_generated/version/package.cmake...

I'm trying to do catkin_make with python3 on Arch Linux, but I get this error: CMake Error at /opt/ros/melodic/share/catkin/cmake/safe_execute_process.cmake:11 (message):...

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referencing catkin variables when writing env_hooks

Is it possible to reference catkin variables when write env_hook templates? It seems that only some things are defined. For example, I've got an in-house tool that has its own plugin path. An env hook...

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Difference between add_rostest_gtest and catkin_add_gtest

Quite new to unit test and would love to get some clarification. Is the only difference between these two are `add_rostest_gtest` can specify a launch file?

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