--- src/shell.c
+++ src/shell.c
@@ -17,6 +17,14 @@
 #define _CRT_SECURE_NO_WARNINGS
 #endif
 
+/*
+** Include the configuration header output by 'configure' if we're using the
+** autoconf-based build
+*/
+#ifdef _HAVE_SQLITE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>