https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114105
--- Comment #5 from Mark Millard <markmigm at gmail dot com> --- (In reply to Andrew Pinski from comment #2) > . . . > >Part of the reason FreeBSD puts effort into making --disable-bootstrap work > This should not be done unless you are building with GCC itself. The reason > is only the C, C++ front-ends are supposed to be able to compile with a > (non-GCC) C++11 compiler. So FreeBSD is doing it wrong anyways. Thanks for that wording. I did not get that relationship from the wording in the standard documentation that talks about --disable-bootstrap . It might be good if that documentation did also have such wording. I'll note that the FreeBSD lang/gcc* ports do not normally use --disable-bootstrap .