https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100854
Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |fxcoudert at gcc dot gnu.org --- Comment #2 from Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> --- This affects x86_64-apple-darwin: https://gcc.gnu.org/pipermail/gcc/2021-December/237959.html The <math.h> system header errors out on any value of __FLT_EVAL_METHOD__ that is not -1, 0, 1, or 2.