I have installed freefem according to Installation guide on ubuntu 18.04 and I have a fail after make -j 16 check :
FAIL: Richard.edp
I don’t know whether this is really really bad or if one can work in such a configuration - for educational purposes right now, and possibly research in the future ?
Richard.edp is inside folder examples/misc/
Can you finish the installation (with the next step sudo make install) and then run ff++ on the particular file?
Try both with and without graphics: