https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88749
--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> --- What does your $target/libstdc++-v3/config.log show for the utime tests? With glibc-2.28 I get: configure:80229: checking for utime.h configure:80229: result: yes configure:80254: checking whether to build Filesystem TS support configure:80278: result: yes configure:80292: checking for struct dirent.d_type configure:80352: result: yes configure:80354: checking for realpath configure:80432: result: yes configure:80434: checking for utimensat configure:80500: result: yes configure:80502: checking for utime configure:80566: result: yes