Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
error: passing argument 2 of ‘signal’ from incompatible pointer type [-Wincompatible-pointer-types]
  679 |                         signal(14, timeoutHandler);
      |                                    ^~~~~~~~~~~~~~
      |                                    |
      |                                    void (*)(void)
Detailed description of error