[cmake] make command cannot be executed normally

problem

stay Linux System on use CMakeLists.txt compile C++ Project time , perform cmake After the command , Re execution make The order appeared make The problem that the order does not take effect .

The specific phenomenon is ：cmake The command can be executed normally , however make When the command is executed, it is still cmake The result of command execution , Not compiled .

After some operation, it is found that the problem is caused by the system time , The system time is incorrect （ Lag behind current time ）, Lead to make The command cannot be executed correctly .

resolvent

Update the system time to the current time , And then again cmake && make that will do .

Set up Linux system time ：

date -s "20210618 11:00:00"