Add Makefile

Makefile

+CC=gcc
+TAR=assembler
+
+all: assembler
+
+%.o: %.c
+	$(CC) -c $^
+
+$(TAR): assembler.o
+	$(CC) -o $@ $^
+
+.PHONY: clean test help
+
+clean:
+	rm -rf *.o $(TAR)
+
+help:
+	@echo "The following options are provided with Make\n\t$$ make \t\t# build assembler\n\t$$ make clean \t# clean the build\n\t$$ make test \t# test cases"
+
+test: assembler test_1 test_2 test_3 test_4 test_5
+
+test_1:
+	./assembler sample_input/example1.s
+	@echo "Testing example1"; \
+	diff -Naur sample_input/example1.o sample_output/example1.o; \
+	if [ $$? -eq 0 ]; then echo "\tTest seems correct\n"; else echo "\tResults not identical, check the diff output\n"; fi
+
+test_2:
+	./assembler sample_input/example2_mod.s
+	@echo "Testing example2_mod"; \
+	diff -Naur sample_input/example2_mod.o sample_output/example2_mod.o; \
+	if [ $$? -eq 0 ]; then echo "\tTest seems correct\n"; else echo "\tResults not identical, check the diff output\n"; fi
+
+test_3:
+	./assembler sample_input/example3.s
+	@echo "Testing example3"; \
+	diff -Naur sample_input/example3.o sample_output/example3.o; \
+	if [ $$? -eq 0 ]; then echo "\tTest seems correct\n"; else echo "\tResults not identical, check the diff output\n"; fi
+
+test_4:
+	./assembler sample_input/example4.s
+	@echo "Testing example4"; \
+	diff -Naur sample_input/example4.o sample_output/example4.o; \
+	if [ $$? -eq 0 ]; then echo "\tTest seems correct\n"; else echo "\tResults not identical, check the diff output\n"; fi
+
+test_5:
+	./assembler sample_input/example5.s
+	@echo "Testing example5"; \
+	diff -Naur sample_input/example5.o sample_output/example5.o; \
+	if [ $$? -eq 0 ]; then echo "\tTest seems correct\n"; else echo "\tResults not identical, check the diff output"; fi