--- knock-0.6.orig/src/knockd.c 2013-04-08 20:11:56.000000000 +0200 +++ knock-0.6/src/knockd.c 2014-01-16 16:59:04.000000000 +0100 @@ -28,8 +28,8 @@ #include <ctype.h> #include <string.h> #include <fcntl.h> -#if defined(__FreeBSD__) || defined(__APPLE__) #include <limits.h> +#if defined(__FreeBSD__) || defined(__APPLE__) #include <sys/socket.h> #include <netinet/in_systm.h> #endif @@ -40,10 +40,6 @@ #include <netinet/udp.h> #include <netinet/ip_icmp.h> #include <net/if.h> -#if !defined(__FreeBSD__) && !defined(__APPLE__) -#include <bits/time.h> -#include <linux/limits.h> -#endif #include <sys/types.h> #include <sys/wait.h> #include <sys/ioctl.h>