Hello @Makis !
Thanks for the technical precisions and the resources.
Just for clarification, My first 3 posts are for a problem I had with the installation from sources, and its resolving (I chose to include the exports in my .bashrc at that time). My fourth post has to do with another installation of the same OpenFOAM-adapter and you are right: I should have merged from the master git repo. I am a bit uncomfortable with git when it’s out of its basic use, so I did a fresh install which worked thanks to your post by using the command (make sure OpenFOAM is sourced):
git clone --single-branch --branch OpenFOAM6 https://github.com/precice/openfoam-adapter.git
cd openfoam-adapter
./Allclean
./Allwmake
I opted for installing for sources because I need to modify the adapter (cf my other topic).
Thanks a lot !
EDIT: Many also thanks for your reactivity to update the branch !