CXXFLAGS += -fPIC -fno-stack-protector
 CFLAGS += -fPIC -fno-stack-protector
 

 OBJS = dual_control.o argument.o dual_control_integrate.o

 MODULELIB = pam_dual_control.so

 UNAME_S := $(shell uname -s)

 .PHONY: all

 all: dual_control.a

 dual_control.a: $(OBJS)

 	ar rvs $@ $^

 	ranlib $@
 

 .PHONY: clean

 clean:

 	@rm -f *.o *.a
 	@rm -f dual_control_test

 .PHONY: distclean
 distclean: clean

 	@rm -f Makefile config.h

 dual_control.o: dual_control.h

 dual_control_test: dual_control_test.o dual_control.o
 	$(CXX) $(CXXFLAGS) $(CPPFLAGS)  -o $@ $^
 

 argument_test: argument_test.o argument.o
 	$(CXX) $(CXXFLAGS) $(CPPFLAGS)  -o $@ $^
 

 validator_test: validator_test.o validator.o

 	$(CXX) $(CXXFLAGS) $(CPPFLAGS)  -o $@ $^

 conversation_test: conversation_test.o conversation.o

 	$(CXX) $(CXXFLAGS) $(CPPFLAGS)  -o $@ $^

 .PHONY: test

 test: validator_test conversation_test argument_test dual_control_test

 	@./validator_test

 	@./conversation_test

 	@./argument_test

 	@./dual_control_test

 .PHONY: install

 install: $(OBJS)

 ifeq ($(UNAME_S), Linux)

 	ld $(LDFLAGS) -x --shared -lpam -o $(DESTDIR)@PAM_MODULE_DIRECTORY@/$(MODULELIB) $(OBJS)

 else
 	@echo installation recipe not known for $(UNAME_S)
 endif