adio linux # make menuconfig
make: Warning: File `.vmlinux.cmd' has modification time 2.5e+04 s in the future
make[1]: Warning: File `.config' has modification time 2.3e+04 s in the future
make[1]: warning:  Clock skew detected.  Your build may be incomplete.
make[1]: Warning: File `.config' has modification time 2.3e+04 s in the future
make[2]: Warning: File `.config' has modification time 2.3e+04 s in the future
make[2]: warning:  Clock skew detected.  Your build may be incomplete.
scripts/kconfig/mconf arch/i386/Kconfig
#
# using defaults found in .config
#


Your kernel configuration changes were NOT saved.

make[1]: warning:  Clock skew detected.  Your build may be incomplete.
make[1]: Warning: File `.vmlinux.cmd' has modification time 2.4e+04 s in the future
make[1]: warning:  Clock skew detected.  Your build may be incomplete.
make: warning:  Clock skew detected.  Your build may be incomplete.