!libc_pre_versions
libc {
  GLIBC_2.1 {
    _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
  }
  GLIBC_2.2 {
    # New rlimit interface
    getrlimit; setrlimit; getrlimit64; setrlimit64;
  }
  GLIBC_2.3 {
    _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
  }
  GLIBC_2.4 {
    _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
  }
  GLIBC_2.11 {
    fallocate64;
  }
  GLIBC_2.12 {
    _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
  }
  GLIBC_2.17 {
    _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
    prlimit64;
  }
  GLIBC_2.19 {
    fanotify_mark;
  }
}