* refrain from doing an absolutely insane check (to see if pcap is
  installed in more than one place)

--- a/configure.in
+++ b/configure.in
@@ -268,10 +268,7 @@
 
 AC_MSG_CHECKING(for a complete set of pcap headers)
 
-possible_dirs="`eval echo -n ${includedir}` \
-	       /usr/include /usr/include/pcap \
-               /usr/local/include /usr/local/include/pcap \
-               /usr/share/include /usr/share/include/pcap"
+possible_dirs="`eval echo -n ${includedir}`"
 
 AC_ARG_WITH(pcap-includes,
 [  --with-pcap-includes        specify the pcap include directory],