Fedora uses this patch: https://src.fedoraproject.org/rpms/fpc/raw/b1d39299ade42686ca8e2a491f662efc4219a1f9/f/fpc-3.2.0--glibc-2.34.patch via: https://gitlab.com/freepascal.org/fpc/source/-/issues/39295#note_685408109