[Bug web/82686] Debian sid powerpc64-unknown-linux-gnu 4.13.0-1-powerpc64 bootstrap breaks in stage3 with unexpected requirement for bdw-gc

[doko at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82686

--- Comment #11 from Matthias Klose <doko at gcc dot gnu.org> ---
you might want --enable-objc-gc=auto or --disable-objc-gc. See install.texi for
the docs.