https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109688
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|Build fail with C++20 and |SPDLOG build fails with |-DSPDLOG_USE_STD_FORMAT=1 |C++20 and | |-DSPDLOG_USE_STD_FORMAT=1 --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Are you sure this is not a bug in SPDLOG ?