Index: src/mutex.c
==================================================================
--- src/mutex.c
+++ src/mutex.c
@@ -13,10 +13,11 @@
 **
 ** This file contains code that is common across all mutex implementations.
 */
 #include "sqliteInt.h"
 #if SQLITE_OS_UNIX
+#  include <sys/time.h>
 #  include <pthread.h>
 #elif SQLITE_OS_WIN
 #  include "os_win.h"
 #endif