update for cross compile

Makefile

@@ -0,0 +1,20 @@
+CXX=g++
+CXXFLAGS=-Wall -l ssl -l crypto -I src/libs -I src/auth -I src/security -I src/users
+SOURCES=src/auth_service.cpp src/auth/auth.cpp src/auth/verify_auth.cpp src/security/cors.cpp src/users/access_request.cpp src/users/add_user.cpp src/users/change_password.cpp src/users/change_user.cpp src/users/delete_user.cpp src/users/get_all_users.cpp src/users/get_user.cpp
+TARGET=bin/auth_service
+
+default: all
+
+all: build
+
+build:
+	@if [ ! -d bin ]; then \
+		mkdir bin; \
+	fi
+	$(CXX) -o $(TARGET) $(SOURCES) $(CXXFLAGS)
+
+clean:
+	@if [ -f $(TARGET) ]; then \
+		rm -v $(TARGET); \
+	fi
+