--- Makefile-orig	2022-01-04 08:37:31.975521982 +0000
+++ Makefile	2022-01-04 08:37:58.709192999 +0000
@@ -16,29 +16,32 @@
 
 HOST_SYSTEM = $(shell uname | cut -f 1 -d_)
 SYSTEM ?= $(HOST_SYSTEM)
-CXX = g++
-CPPFLAGS += `pkg-config --cflags protobuf grpc`
+CXX = occlum-g++
+CPPFLAGS += -I/usr/local/occlum/x86_64-linux-musl/include
 CXXFLAGS += -std=c++11
 ifeq ($(SYSTEM),Darwin)
 LDFLAGS += -L/usr/local/lib `pkg-config --libs protobuf grpc++ grpc`\
            -pthread\
            -lgrpc++_reflection\
-           -ldl
+           -ldl \
+	   -lssl -lcrypto
 else
-LDFLAGS += -L/usr/local/lib `pkg-config --libs protobuf grpc++ grpc`\
+LDFLAGS += -L/usr/local/occlum/x86_64-linux-musl/lib -lgrpc++ -lgrpc -lprotobuf -lgpr \
+           -lcares -lz -laddress_sorting -pie\
            -pthread\
            -Wl,--no-as-needed -lgrpc++_reflection -Wl,--as-needed\
-           -ldl
+           -ldl \
+	   -lssl -lcrypto
 endif
 PROTOC = protoc
 GRPC_CPP_PLUGIN = grpc_cpp_plugin
 GRPC_CPP_PLUGIN_PATH ?= `which $(GRPC_CPP_PLUGIN)`
 
-PROTOS_PATH = ../../protos
+PROTOS_PATH = .
 
 vpath %.proto $(PROTOS_PATH)
 
-all: system-check greeter_client greeter_server greeter_async_client greeter_async_client2 greeter_async_server
+all: system-check greeter_client greeter_server greeter_async_client greeter_async_client2 greeter_async_server greeter_secure_client greeter_secure_server
 
 greeter_client: helloworld.pb.o helloworld.grpc.pb.o greeter_client.o
 	$(CXX) $^ $(LDFLAGS) -o $@
@@ -55,6 +58,12 @@ greeter_async_client2: helloworld.pb.o h
 greeter_async_server: helloworld.pb.o helloworld.grpc.pb.o greeter_async_server.o
 	$(CXX) $^ $(LDFLAGS) -o $@
 
+greeter_secure_client: helloworld.pb.o helloworld.grpc.pb.o greeter_secure_client.o
+	$(CXX) $^ $(LDFLAGS) -o $@
+
+greeter_secure_server: helloworld.pb.o helloworld.grpc.pb.o greeter_secure_server.o
+	$(CXX) $^ $(LDFLAGS) -o $@
+
 .PRECIOUS: %.grpc.pb.cc
 %.grpc.pb.cc: %.proto
 	$(PROTOC) -I $(PROTOS_PATH) --grpc_out=. --plugin=protoc-gen-grpc=$(GRPC_CPP_PLUGIN_PATH) $<
@@ -64,7 +73,7 @@ greeter_async_server: helloworld.pb.o he
 	$(PROTOC) -I $(PROTOS_PATH) --cpp_out=. $<
 
 clean:
-	rm -f *.o *.pb.cc *.pb.h greeter_client greeter_server greeter_async_client greeter_async_client2 greeter_async_server
+	rm -f *.o *.pb.cc *.pb.h greeter_client greeter_server greeter_async_client greeter_async_client2 greeter_async_server greeter_secure_server greeter_secure_client
 
 
 # The following is to test your system and ensure a smoother experience.