https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108279
--- Comment #14 from Thomas Koenig <tkoenig at gcc dot gnu.org> --- Seems that libquadmath is not built on that particular Linux/CPU variant, for whatever reason. At last I cannot find any '*quadmath* files in the build directory. /proc/cpuinfo tells me that processor : 0 BogoMIPS : 48.00 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 asimddp sha512 asimdfhm dit uscat ilrcpc flagm ssbs sb paca pacg dcpodp flagm2 frint CPU implementer : 0x61 CPU architecture: 8 CPU variant : 0x1 CPU part : 0x022 CPU revision : 1 [...] and uname -a is Linux gcc103.fsffrance.org 6.0.0-rc5-asahi-00001-gc62bd3fe430f #1 SMP Sun Sep 18 18:07:57 CEST 2022 aarch64 GNU/Linux So much for testing on Apple silicon.