--- a/libproxy/url.cpp	2011-06-06 17:44:37.216019447 -0400
+++ b/libproxy/url.cpp	2013-10-15 17:15:03.353781829 -0400
@@ -39,6 +39,8 @@
 #define close _close
 #define read _read
 #define SHUT_RDWR SD_BOTH
+#else
+#include <unistd.h>
 #endif
 
 #include "url.hpp"