Update make for hello examples

native_client_sdk/src/examples/hello_world_interactive/Makefile

Index: native_client_sdk/src/examples/hello_world_interactive/Makefile
diff --git a/native_client_sdk/src/examples/hello_world_stdio/Makefile b/native_client_sdk/src/examples/hello_world_interactive/Makefile
similarity index 77%
copy from native_client_sdk/src/examples/hello_world_stdio/Makefile
copy to native_client_sdk/src/examples/hello_world_interactive/Makefile
index 1f644cd8f75bf0cc44a46e558467e97e8dfe4373..747d52c06a21e368f76d4acf764ea384b8cd3aa2 100644
--- a/native_client_sdk/src/examples/hello_world_stdio/Makefile
+++ b/native_client_sdk/src/examples/hello_world_interactive/Makefile
@@ -25,12 +25,12 @@ include common.mk
 # The base name of the final NEXE, also the name of the NMF file containing
 # the mapping between architecture and actual NEXE.
 #
-TARGET=hello_world_stdio
+TARGET=hello_world_interactive
 
 #
 # List of sources to compile
 #
-SOURCES=hello_world.c
+SOURCES=hello_world.cc helper_functions.cc
 
 
 #
@@ -39,11 +39,19 @@ SOURCES=hello_world.c
 # order should be symbol reference followed by symbol definition, with direct
 # sources to the link (object files) are left most.  In this case:
 #    hello_world -> ppapi_main -> ppapi_cpp -> ppapi -> pthread -> libc
-# Notice that pthread and libc are implied and come last through standard
-# compiler/link switches, for example -pthread.
-# 
-LIBS=ppapi_main nacl_mounts ppapi_cpp ppapi
+# Notice that libc is implied and come last through standard compiler/link
+# switches.
+#
+# We break this list down into two parts, the set we need to rebuild (DEPS)
+# and the set we do not.
+#
+LIBS=ppapi_cpp ppapi pthread
+
 
+#
+# Use the library dependency macro for each dependency
+#
+$(foreach dep,$(DEPS),$(eval $(call DEPEND_RULE,$(dep))))
 
 #
 # Use the compile macro for each source.