http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52645
--- Comment #9 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> 2012-03-26 13:09:20 UTC --- > HAVE_INET6 is undefined in include/config.h and classpath/include/ > config.h. Ok, so at least we don't have another case of IPv6 being half-supported. Did you have a chance to try the attached patch? Rainer