don't include the file while RTT don't define

ex. if RT_USING_MEMHEAP isn't defined, then memheap.c won't be included

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2148 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/mb9bf506r/rtconfig.h

@@ -52,6 +52,8 @@
 // <section name="MM" description="Memory Management" default="always" >
 // <bool name="RT_USING_MEMPOOL" description="Using Memory Pool Management in the system" default="true" />
 #define RT_USING_MEMPOOL
+// <bool name="RT_USING_MEMHEAP" description="Using Memory Heap Management in the system" default="true" />
+#define RT_USING_MEMHEAP
 // <bool name="RT_USING_HEAP" description="Using Dynamic Heap Management in the system" default="true" />
 #define RT_USING_HEAP
 // <bool name="RT_USING_SMALL_MEM" description="Optimizing for small memory" default="false" />

src/SConscript

@@ -19,6 +19,15 @@ if GetDepend('RT_USING_HEAP') == False or GetDepend('RT_USING_SMALL_MEM') == Fal
 if GetDepend('RT_USING_HEAP') == False or GetDepend('RT_USING_SLAB') == False:
     SrcRemove(src, ['slab.c'])
 
+if GetDepend('RT_USING_MEMPOOL') == False:
+    SrcRemove(src, ['mempool.c'])
+
+if GetDepend('RT_USING_MEMHEAP') == False:
+    SrcRemove(src, ['memheap.c'])
+
+if GetDepend('RT_USING_DEVICE') == False:
+    SrcRemove(src, ['device.c'])
+
 group   = DefineGroup('Kernel', src, depend = [''], CPPPATH = CPPPATH, LINKFLAGS = LINKFLAGS)
 
 Return('group')