Autoconf updates for detecting locally installed program paths and changes to facilitate portability. Also set AM_MAINTAINER_MODE so we are not forced to regen/reconfigure when we change one of the autoconf source files (but we do now need to remember to do it ourselves before making a new dist).

git-svn-id: file:///home/mbr/svn/fwknop/trunk@172 510a4753-2344-4c79-9c09-4d669213fbeb

server/process_packet.h

@@ -29,6 +29,15 @@
 #define IPV4_VER_MASK   0x15
 #define MIN_IPV4_WORDS  0x05
 
+/* For items not defined by this system
+*/
+#ifndef ETHER_CRC_LEN
+  #define ETHER_CRC_LEN 4
+#endif
+#ifndef ETHER_HDR_LEN
+  #define ETHER_HDR_LEN 14
+#endif
+
 /* Prototypes
 */
 void process_packet(unsigned char *args, const struct pcap_pkthdr *packet_header, const unsigned char *packet);