https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84568
Bug ID: 84568 Summary: libstdc++-v3 configure checks for atomic operations fail on riscv Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: sch...@linux-m68k.org Target Milestone: --- Target: riscv*-*-* checking for atomic builtins for bool... no checking for atomic builtins for short... no checking for atomic builtins for int... yes checking for atomic builtins for long long... yes configure: WARNING: No native atomic operations are provided for this platform. configure: WARNING: They will be faked using a mutex. configure: WARNING: Performance of certain classes will degrade as a result. This is due to -latomic not being linked in.