diff --exclude='*~' -urN dhcp-agent-0.41.orig/configure.ac dhcp-agent-0.41/configure.ac
--- dhcp-agent-0.41.orig/configure.ac	2005-03-31 00:34:41.000000000 -0500
+++ dhcp-agent-0.41/configure.ac	2005-03-31 00:40:21.000000000 -0500
@@ -58,7 +58,7 @@
 dnl check header files we should have
 
 AC_HEADER_STDC
-AC_CHECK_HEADERS(inttypes.h signal.h varargs.h stdarg.h sys/utsname.h getopt.h)
+AC_CHECK_HEADERS(inttypes.h signal.h varargs.h stdarg.h sys/utsname.h getopt.h net/bpf.h)
 
 dnl
 dnl check for types
diff --exclude='*~' -urN dhcp-agent-0.41.orig/src/dhcp-local.h dhcp-agent-0.41/src/dhcp-local.h
--- dhcp-agent-0.41.orig/src/dhcp-local.h	2005-03-31 00:34:41.000000000 -0500
+++ dhcp-agent-0.41/src/dhcp-local.h	2005-03-31 00:41:16.000000000 -0500
@@ -81,7 +81,11 @@
 #include <time.h>
 #include <ctype.h>
 
+#ifdef HAVE_NET_BPH_H
 #include <net/bpf.h>
+#define PCAP_DONT_INCLUDE_PCAP_BPF_H
+#endif				/* HAVE_NET_BPH_H */
+
 #include <dnet.h>
 #include <pcap.h>