https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64203
--- Comment #2 from Sandra Loosemore <sandra at codesourcery dot com> --- (In reply to Jonathan Wakely from comment #1) > Created attachment 34208 [details] > fix config macros for shared_lock > > Does this fix it? No, with this patch I'm still getting the same undefined symbol errors about defer_lock_t, try_to_lock_t, etc. FAOD it looks like on this target _GLIBCXX_USE_C99_STDINT_TR1 is defined but _GLIBCXX_HAS_GTHREADS is not.
