AC_HEADER_STAT # sys/stat.h
AC_HEADER_STDBOOL # stdbool.h
AC_HEADER_STDC # stdlib.h string.h (implied: errno.h limits.h stdio.h)
-AC_TYPE_MODE_T
# Check for header files not covered by the predefined macros above.
-AC_CHECK_HEADERS([ fcntl.h ftw.h getopt.h libgen.h limits.h linux/xattr.h ])
+AC_CHECK_HEADERS([ fcntl.h getopt.h libgen.h limits.h linux/xattr.h ])
AC_CHECK_HEADERS([ sys/acl.h sys/libacl.h sys/types.h unistd.h ])
# We need openat() with O_NOFOLLOW from POSIX-2008. Without them, we