diff -urN libtorrent-0.12.4.orig/src/protocol/extensions.cc libtorrent-0.12.4/src/protocol/extensions.cc
--- libtorrent-0.12.4.orig/src/protocol/extensions.cc	2009-05-01 11:21:41.646024324 +0000
+++ libtorrent-0.12.4/src/protocol/extensions.cc	2009-05-01 11:41:30.107790553 +0000
@@ -39,6 +39,8 @@
 #include <limits>
 #include <sstream>
 
+#include <cstdio>
+
 #include "download/available_list.h"
 #include "download/download_main.h"
 #include "protocol/peer_connection_base.h"
diff -urN libtorrent-0.12.4.orig/src/torrent/poll_epoll.cc libtorrent-0.12.4/src/torrent/poll_epoll.cc
--- libtorrent-0.12.4.orig/src/torrent/poll_epoll.cc	2009-05-01 11:21:41.656024827 +0000
+++ libtorrent-0.12.4/src/torrent/poll_epoll.cc	2009-05-01 11:40:31.152785407 +0000
@@ -38,6 +38,7 @@
 
 #include <cerrno>
 #include <cstring>
+#include <cstdio>
 
 #include <unistd.h>
 #include <torrent/exceptions.h>
diff -urN libtorrent-0.12.4.orig/src/tracker/tracker_dht.cc libtorrent-0.12.4/src/tracker/tracker_dht.cc
--- libtorrent-0.12.4.orig/src/tracker/tracker_dht.cc	2009-05-01 11:21:41.658024592 +0000
+++ libtorrent-0.12.4/src/tracker/tracker_dht.cc	2009-05-01 11:41:43.124798870 +0000
@@ -37,6 +37,7 @@
 #include "config.h"
 
 #include <sstream>
+#include <cstdio>
 
 #include "dht/dht_router.h"
 #include "torrent/connection_manager.h"
diff -urN libtorrent-0.12.4.orig/src/tracker/tracker_udp.cc libtorrent-0.12.4/src/tracker/tracker_udp.cc
--- libtorrent-0.12.4.orig/src/tracker/tracker_udp.cc	2009-05-01 11:21:41.658024592 +0000
+++ libtorrent-0.12.4/src/tracker/tracker_udp.cc	2009-05-01 11:39:57.184784529 +0000
@@ -38,6 +38,7 @@
 
 #include <sigc++/adaptors/bind.h>
 #include <torrent/connection_manager.h>
+#include <cstdio>
 
 #include "download/download_info.h"
 #include "net/address_list.h"