make bootstrap error

[M.Nomiya]

Hello,

I got the error when running 'make bootstrap' for 3days;

[...]
  CC       lastfile.o
  CC       widget.o
  CCLD     temacs
sysdep.o: In function `renameat_noreplace':
/tmp/tes/emacs/src/sysdep.c:2693: undefined reference to `renameat2'
collect2: error: ld returned 1 exit status
Makefile:600: recipe for target 'temacs' failed
make[2]: *** [temacs] Error 1
make[2]: Leaving directory '/tmp/tes/emacs/src'
Makefile:416: recipe for target 'src' failed
make[1]: *** [src] Error 2
make[1]: Leaving directory '/tmp/tes/emacs'
Makefile:1096: recipe for target 'bootstrap' failed
make: *** [bootstrap] Error 2

---
M. Nomiya