mac安装报错

[xhun2015]

uuid_time2.c:75:3: error: implicitly declaring library function 'exit' with type 'void (int) attribute((noreturn))' [-Werror,-Wimplicit-function-declaration]
exit(1);
^
uuid_time2.c:75:3: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
uuid_time2.c:112:54: warning: format specifies type 'long' but the argument has type '__darwin_suseconds_t' (aka 'int') [-Wformat]
printf("UUID time is: (%ld, %ld): %s\n", tv.tv_sec, tv.tv_usec,
~~~ ^~~~~~~~~~
%d
1 warning and 1 error generated.
make: *** [uuid_time2.o] Error 1