--- mk/Linux.orig	2005-04-08 12:30:07.000000000 -0400
+++ mk/Linux	2005-04-08 12:30:08.000000000 -0400
@@ -10,7 +10,7 @@
 CC      = gcc
 LIBS	= -lpcap -I/usr/include/pcap -I/usr/local/include/pcap
 STRIP   = strip
-CFLAGS  = -O3 -Wall -fomit-frame-pointer -funroll-loops
+CFLAGS  = -O3 -Wall -fomit-frame-pointer -funroll-loops -DPCAP_DONT_INCLUDE_PCAP_BPF_H
 FILE	= p0f
 TOOLS   = test/sendack test/sendack2 test/sendsyn
 
