https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82300
Dominique d'Humieres <dominiq at lps dot ens.fr> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2017-09-22 Ever confirmed|0 |1 --- Comment #1 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- I see a similar problem on darwin16, Xcode 9, bootstrapped with an older version of gcc-8: In file included from ./tm.h:16:0, from ../../work/gcc/genpreds.c:26: ./options.h:5803:2: error: #error too many target masks #error too many target masks at stage 1, r253008 is OK.