https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66262
--- Comment #15 from Gianfranco <costamagnagianfranco at yahoo dot it> --- Thanks to all for the suggestions! Apparently this is what I presumed from the begin (I read a lot about ABI changes in gcc-5) I'll try to figure out with doko what is the best approach for fixing this! thanks to all again, G.