https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107133
Bug ID: 107133 Summary: _GLIBCXX_USE_C99_STDINT_TR1 macro is not defined for --disable-hosted-libstdcxx without libc Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: unlvsur at live dot com Target Milestone: --- The bug is still there. ../../include/fast_io_core_impl/iso/iso8601.h:297:23: error: 'uint_least32_t' in namespace 'std' does not name a type | ^~~~~~~~~~~~~~