xiaoxiang781216 commented on a change in pull request #250:
URL: 
https://github.com/apache/incubator-nuttx-apps/pull/250#discussion_r428456387



##########
File path: Application.mk
##########
@@ -219,7 +219,7 @@ else
 context::
 endif
 
-.depend: Makefile $(SRCS)
+.depend: Makefile $(wildcard $(SRCS))

Review comment:
       Yes, we have to remove the generated source from Make.dep. The build 
sequence is:
   1.context
   2.depend
   3.compile
   The code generated dynamically need the result from phase 3(compile), but 
phase 2(depend) need all source code ready. This is a chicken and egg problem. 
We decide to not generate the dependence for the dynamically code since the 
dependence relationship is optinal, but the compile is critical.




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