https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81856
--- Comment #8 from Andreas Schwab <sch...@linux-m68k.org> --- Your g++ is broken. configure: error: in `/usr/local/src/gnutoolchain/gcc-7.2.0/gcc-build-7.2/gcc': configure: error: cannot compute sizeof (long long) See `config.log' for more details.
