https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100017
--- Comment #31 from cqwrteur <unlvsur at live dot com> --- (In reply to Andrew Aladjev from comment #30) > Created attachment 51746 [details] > Include fenv dirty patch for gcc 11.2.0 > > Please apply carefully, it is not safe. no. adding -nostdinc++ is the right solution. yours are wrong.