https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108210
--- Comment #3 from niXman <i.nixman at autistici dot org> --- (In reply to cqwrteur from comment #0) > /home/cqwrteur/toolchains_build/gcc/libstdc++-v3/src/c++20/tzdb.cc:565:5: > error: 'mutex' does not name a type; did you mean 'minutes'? > 565 | mutex infos_mutex; > | ^~~~~ > | minutes > > Win32 thread model does not provide mutex, lock_guard, and other threading > mechanism. > > However. this can be implemented easily with win32 CriticalSection API. > https://github.com/cppfastio/fast_io/blob/master/include/fast_io_hosted/ > threads/mutex/win32_critical_section.h please provide the configure's options you used.