https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100748
--- Comment #6 from Jeffrey A. Law <law at gcc dot gnu.org> --- Jon -- you might want to sync with the glibc folks. IIUC they're rolled libpthread into libc in glibc-2.34 which may make this is a non-issue going forward, which I can certainly live with.