Ok, the build is probably faulty... I'll post a working build in a few hours. It seems you can't just change compiler flags and expect it to work... But I'm not giving up I think it's time for a separate thread after all
actually, i just read on another android forum a guy with an unrooted s advance on stock rom asking for help with the same problem, and some nexus 5 users with a cm12 based rom and the same problem that seems to be solved - temporarily - setting localization on "device only" so it might be a problem affecting the last version of google play services