Linux GCC Compilation Warning: Clock skew detected. Error resolution

The following error occurred when compiling a program with GCC on a virtual machine today:

Make:warning:Clock skew detected. Your build may incomplete

Try make clean after make, is still the same problem, and finally found that the reason for this error is that the system time than the file modification time earlier , see my system time is still 2012-01-13, And today is already 2012-01-31, so modify the time to recompile, problem solving.

Linux uses the date command to query and modify the system time (root permission can only be modified)

1 Date    Query system time 21/+/ +    command to modify system date 3  Update:the    system time can be modified by the command

Linux GCC Compilation Warning: Clock skew detected. Error resolution