Source
Fix "redefinition of 'bpf_program'"
https://github.com/Ettercap/ettercap/issues/326
--- include/ec.h.orig 2013-09-11 15:18:45.000000000 -0500
+++ include/ec.h 2013-12-03 10:58:14.000000000 -0600
#include <windows.h>
#endif
+#ifdef OS_DARWIN
+ #define PCAP_DONT_INCLUDE_PCAP_BPF_H 1
+ #include <net/bpf.h>
+#endif
+
#if !defined (__USE_GNU) /* for memmem(), strsignal(), etc etc... */
#define __USE_GNU
#endif