diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..d547776
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,33 @@
+CC = g++
+CCOPT = -Wall -c
+LINK = g++
+LINKOPT =
+PACKA = ar
+PARCAOPT = rc
+DOLINK = $(LINK) $(LINKOPT) -o $@ $^
+SOURCES := $(wildcard *.cpp)
+OBJS := $(patsubst %.cpp,%.o,$(SOURCES))
+
+SRCDIR = ./src
+SRCLIB = $(SRCDIR)/cppjiebalib.a
+
+# remove the objs after compilation
+.INTERMEDIATE:  $(OBJS)
+.PHONY: clean $(SRCLIB)
+
+# Main Targets
+all: demo
+
+# This is a suffix rule 
+#.c.o: 
+%.o: %.cpp
+	$(CC) $(CCOPT) $<
+
+demo: $(OBJS) $(SRCLIB)
+	$(DOLINK)
+
+$(SRCLIB): $(SRCLIB_DEPS)
+	cd $(SRCDIR) && $(MAKE)
+
+clean:
+	rm -f *.o *.ut demo
diff --git a/demo.cpp b/demo.cpp
index bfefabd..c96fb6d 100644
--- a/demo.cpp
+++ b/demo.cpp
@@ -2,7 +2,6 @@
 #include <stdint.h>
 #include <fstream>
 using namespace std;
-using namespace CPPCOMMON;
 
 int main()
 {