[Bug libstdc++/81797] gcc 7.1.0 fails to build on macOS 10.13 (High Sierra):

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81797

--- Comment #32 from Marc Glisse <glisse at gcc dot gnu.org> ---
(In reply to Misty De Meo from comment #31)
> For what it's worth, Apple's response was: "We analyzed the issue and
> determined the problem to be a latent bug in gcc’s build system that is
> revealed by changes in macOS High Sierra. The FSF will need up issue a fix
> in gcc."

Thanks for forwarding. Their response is oh so precise and helpful... "bug on
your side, washing my hands". I can't complain since I basically did the same
thing in my previous comment, but if they really did analyze the issue, one
might expect that they would share what the bug actually is :-(