Update make for hello examples

native_client_sdk/src/examples/hello_world_gles/Makefile

Index: native_client_sdk/src/examples/hello_world_gles/Makefile
diff --git a/native_client_sdk/src/examples/hello_world_stdio/Makefile b/native_client_sdk/src/examples/hello_world_gles/Makefile
similarity index 75%
copy from native_client_sdk/src/examples/hello_world_stdio/Makefile
copy to native_client_sdk/src/examples/hello_world_gles/Makefile
index 1f644cd8f75bf0cc44a46e558467e97e8dfe4373..154b132ae981d87776b00223df0903541dd66e2b 100644
--- a/native_client_sdk/src/examples/hello_world_stdio/Makefile
+++ b/native_client_sdk/src/examples/hello_world_gles/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_gles
 
 #
 # List of sources to compile
 #
-SOURCES=hello_world.c
+SOURCES=hello_world.cc matrix.cc
 
 
 #
@@ -39,11 +39,21 @@ 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. This  example does not have any additional library
+# dependencies.
+#
+DEPS=
+LIBS=ppapi_gles2 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.