https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83360
--- Comment #2 from tottixh10.xianghua at huawei dot com --- (In reply to Andrew Pinski from comment #1) > Java was removed from GCC in GCC 7. GCC 4.9 is no longer supported. Thanks for answering. So I need download GCC 7.x for installation?