>>>>> "Jakub" == Jakub Jelinek via Gcc-patches <gcc-patches@gcc.gnu.org> writes:
Jakub> 2020-11-13 Jakub Jelinek <ja...@redhat.com> Jakub> * c-cppbuiltin.c: Include configargs.h. Jakub> (c_cpp_builtins): For C++11 and later if THREAD_MODEL_SPEC is not Jakub> defined, predefine __STDCPP_THREADS__ to 1 unless thread_model is Jakub> "single". Note this is https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63287 Tom