I just tried to build up latest ROS2 on a Ubuntu system on which ROS1 was previously built.
I met several issues and the building always failed.
However, after I cleared up the ROS1 dependencies with apt-get autoremove, the ROS2 compiling finally succeeded.
Thus I build latest ROS2 on another Ubuntu machine without ROS1 built. It completes very smoothly. All the settings in those two Ubuntu machines are the same.
I’d like to know if there is any conflict between latest ROS2 and ROS1 in building?
Thank you in advance.