Hi Andreas: Hmmmmm, I should change my default gcc on Ubuntu, I didn't got this when build with GCC 7, and can be reproduced by GCC 11,
Will summit patch once I test done. On Fri, Sep 9, 2022 at 3:21 PM Andreas Schwab <sch...@linux-m68k.org> wrote: > > How did you test that? > > ../../gcc/common/config/riscv/riscv-common.cc: In function 'const char* > riscv_multi_lib_check(int, const char**)': > ../../gcc/common/config/riscv/riscv-common.cc:1451:11: error: bare apostrophe > ''' in format [-Werror=format-diag] > 1451 | "Can't find suitable multilib set for > %<-march=%s%>/%<-mabi=%s%>", > | ^ > ../../gcc/common/config/riscv/riscv-common.cc:1451:7: note: if avoiding the > apostrophe is not feasible, enclose it in a pair of '%<' and '%>' directives > instead > 1451 | "Can't find suitable multilib set for > %<-march=%s%>/%<-mabi=%s%>", > | > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > ../../gcc/common/config/riscv/riscv-common.cc: At global scope: > ../../gcc/common/config/riscv/riscv-common.cc:1492:1: error: 'int > riscv_check_conds(const switchstr*, int, int, const > std::vector<std::__cxx11::basic_string<char> >&)' defined but not used > [-Werror=unused-function] > 1492 | riscv_check_conds ( > | ^~~~~~~~~~~~~~~~~ > ../../gcc/common/config/riscv/riscv-common.cc:1374:1: error: 'const char* > find_last_appear_switch(const switchstr*, int, const char*)' defined but not > used [-Werror=unused-function] > 1374 | find_last_appear_switch ( > | ^~~~~~~~~~~~~~~~~~~~~~~ > cc1plus: all warnings being treated as errors > make[3]: *** [Makefile:2442: riscv-common.o] Error 1 > > -- > Andreas Schwab, sch...@linux-m68k.org > GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 > "And now for something completely different."