Added Makefile

Makefile

@@ -0,0 +1,26 @@
+CC=gcc
+CFLAGS=
+LIB_FILE=libstack.so
+
+.PHONY: all
+all: $(LIB_FILE)
+
+$(LIB_FILE): stack.o
+	$(CC) $(CFLAGS) -shared stack.o -o $(LIB_FILE)
+
+stack.o: stack.c
+	$(CC) $(CFLAGS) -fpic -c stack.c -o stack.o
+
+.PHONY: allwarn
+allwarn: CFLAGS+=-Wall -Wextra -pedantic
+allwarn: $(LIB_FILE)
+
+.PHONY: debug
+debug: CFLAGS+=-g
+debug: $(LIB_FILE)
+
+.PHONY: clean
+clean:
+	rm stack.o
+	rm $(LIB_FILE)
+