add more RT_USING_MODULE definition.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@717 bbd45198-f89e-11dd-88c7-29a3b14d5316

include/rtthread.h

@@ -14,8 +14,7 @@
  * 2006-08-10     Bernard      add version information
  * 2007-01-28     Bernard      rename RT_OBJECT_Class_Static to RT_Object_Class_Static
  * 2007-03-03     Bernard      clean up the definitions to rtdef.h
- * 2010-04-11     yi.qiu          add module feature
-
+ * 2010-04-11     yi.qiu       add module feature
  */
 
 #ifndef __RT_THREAD_H__

src/rtm.c

@@ -16,7 +16,7 @@
 #include <rtm.h>
 
 /* some buildin kernel symbol */
-
+#ifdef RT_USING_MODULE
 /*
  * thread  interface symbol 
  */
@@ -142,3 +142,4 @@ RTM_EXPORT(rt_timer_control)
  */
 RTM_EXPORT(rt_kprintf)
 
+#endif