ROS 2 Quick reference

Commands

Colcon

• Build package on ONE thread (ROS 2 Foxy): MAKEFLAGS="-j1 -l1" colcon build --executor sequential
• Install with pip3 (works on Windows too): pip install -U colcon-common-extensions
• (Windows only) show all error output (Visual Studio has a bad habit to output to stdout): colcon build --event-handlers console_cohesion+

ROS 2 installation

• OpenSSL 1.0.2u is out of support, binaries are available at absolutely nowhere. This is bad news for Windows users mostly. (LINK TODO)

CMake project configuration

• Eigen3 can be included with the following directives in a CMakeLists.txt: include_directories(${EIGEN3_INCLUDE_DIR})