Hey Paolo,
Did you ever find a solution?
I got the same error message:
[DCC Error] E2597 ld: file not found: libmidas.a
To me it looks like this problem appeared in 2013 as well, when Marco Cantu fixed it with a hotfix:
http://www.codenewsfast.com/cnf/thread/0/permalink.thr-ng2027q15321
In my case the app works great on my device, just not on the simulator.
TJ