Only in .: autoconf.h
diff -u ../../squid-3.1.8/include/autoconf.h.in ./autoconf.h.in
--- ../../squid-3.1.8/include/autoconf.h.in	Sat Sep  4 04:26:15 2010
+++ ./autoconf.h.in	Mon Oct 11 11:38:52 2010
@@ -772,6 +772,9 @@
 /* Define to 1 if you have the <sys/epoll.h> header file. */
 #undef HAVE_SYS_EPOLL_H
 
+/* Define to 1 if you have the <sys/devpoll.h> header file. */
+#undef HAVE_SYS_DEVPOLL_H
+
 /* Define to 1 if you have the <sys/event.h> header file. */
 #undef HAVE_SYS_EVENT_H
 
@@ -1136,6 +1139,9 @@
 /* Use epoll() for the IO loop */
 #undef USE_EPOLL
 
+/* Use /dev/poll for the IO loop */
+#undef USE_DEVPOLL
+
 /* Use multi-language support on error pages */
 #undef USE_ERR_LOCALES
 
Only in .: autoconf.h.in.orig
Only in .: stamp-h1