generate cmake debug files for isolated catkin workspace

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Hi everyone,

I have a problem while trying to use eclipse to debug ros c++ projects in an isolated catkin workspace. In this workspace I have several packages, that I build with:

catkin_make_isolated --force-cmake -G"Eclipse CDT4 - Unix Makefiles"

However, in order to debug, I have to create the corresponding tracing files that typically would have to be created by going to the "catkin_ws/build" directoy and using

cmake ../src -DCMAKE_BUILD_TYPE=Debug

Unfortunately, if I try to use this in the build folder for the isolated catkin workspace "catkin_ws/build_isolated/", I get the error:

CMake Error at /opt/ros/melodic/share/catkin/cmake/catkin_workspace.cmake:95 (message):
  This workspace contains non-catkin packages in it, and catkin cannot build
  a non-homogeneous workspace without isolation.  Try the
  'catkin_make_isolated' command instead.

Without building these debug files, I get the following eclipse error while debugging:

No source available for main

Do you have any idea where and how to get these cmake debug files? Thanks a lot!