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: 
src/time.c:758:20: error: assignment to 'sighandler' {aka 'void (*)(void)'} from incompatible pointer type '__sighandler_t' {aka 'void (*)(int)'} [-Wincompatible-pointer-types]
  758 |   interrupt_signal = signal (SIGINT, SIG_IGN);
      |                    ^
src/time.c:79:22: note: 'sighandler' declared here
   79 | typedef RETSIGTYPE (*sighandler) ();
      |                      ^~~~~~~~~~
It shows the error from GCC, which is the reason why the build fails.