https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97865
--- Comment #17 from Jürgen Reuter <juergen.reuter at desy dot de> --- Iain, as I wrote below your changes seem not sufficient, I will recheck when I build your branch with gmp/mpfr/mpc built with dynamic_lookup, but it seems that there are some things where you missed the dynamic_lookup.
