Enable server reflection in c++ examples
diff --git a/examples/cpp/helloworld/Makefile b/examples/cpp/helloworld/Makefile
index 780e5e4..a632f1b 100644
--- a/examples/cpp/helloworld/Makefile
+++ b/examples/cpp/helloworld/Makefile
@@ -32,7 +32,9 @@
CXX = g++
CPPFLAGS += -I/usr/local/include -pthread
CXXFLAGS += -std=c++11
-LDFLAGS += -L/usr/local/lib `pkg-config --libs grpc++ grpc` -lprotobuf -lpthread -ldl
+LDFLAGS += -L/usr/local/lib `pkg-config --libs grpc++ grpc` \
+ -Wl,--no-as-needed -lgrpc++_reflection -Wl,--as-needed \
+ -lprotobuf -lpthread -ldl
PROTOC = protoc
GRPC_CPP_PLUGIN = grpc_cpp_plugin
GRPC_CPP_PLUGIN_PATH ?= `which $(GRPC_CPP_PLUGIN)`