1, why the project make, there will be "makes: Warning: Clock error detected." Your creation may be incomplete "warning.
2, the reason is that some files in the project modification time than the current system time is still late.
For example, now the system clock time is: December 13, 2013 11:04:45,
And the file you make in the project file is later than this time,
For example, December 13, 2014 11:04:45.
3, the reader can see through the ls-l of which file is the wrong time, it can be the right remedy, direct "touch corresponding file" can solve this problem.
Or the reader can use "Touch *" to update the entire project file time , which can also solve the problem.
4, touch< note 1>, then make the project can normally compile your code.
Note 1:
The touch command can be used to create a file or to update the access time and modification time of an existing file to the current time.