thanks, before your hint, I did not manage to compile from the source and I gave up.
Then I copied this Makefile from another coin and I was able to compile the wallet.
@dev : please update the source so the wallet can be compiled directly.
Hobbitdev- We just uploaded it to github. It should be generated automatically from the make- all the Makefile(s) of the project are .gitignored but hopefully having this one there helps people build themselves.