--- rtorrent/src/main.cc	2013-08-21 03:49:49.552210826 +0300
+++ rtorrent-9999/src/main.cc	2013-08-21 03:49:14.135542775 +0300
@@ -43,6 +43,7 @@
 #include <sstream>
 #include <string>
 #include <inttypes.h>
+#include <unistd.h>
 #include <sigc++/adaptors/bind.h>
 #include <torrent/http.h>
 #include <torrent/torrent.h>