diff --git a/test/Makefile b/test/Makefile
index 27075ee..cffcd92 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -49,6 +49,12 @@ test_avx: normalize_prefix
 clean:
 	rm -rf *.o $(TARGET)
 
+lib_test.a: lib_test.cpp
+	$(CXX) -c $(CFLAGS) lib_test.cpp
+	ar r lib_test.a lib_test.o
+
+lib_run: lib_test.a lib_run.cpp
+	$(CXX) $(CFLAGS) lib_run.cpp lib_test.a -o lib_run
 make_nm: make_nm.cpp $(XBYAK_INC)
 
 
diff --git a/test/lib_run.cpp b/test/lib_run.cpp
new file mode 100644
index 0000000..d1e1127
--- /dev/null
+++ b/test/lib_run.cpp
@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+int ret123();
+
+int main()
+{
+	printf("ret=%d\n", ret123());
+}
+
diff --git a/test/lib_test.cpp b/test/lib_test.cpp
new file mode 100644
index 0000000..399d1fa
--- /dev/null
+++ b/test/lib_test.cpp
@@ -0,0 +1,17 @@
+#include <xbyak/xbyak.h>
+
+struct Code : public Xbyak::CodeGenerator {
+	Code()
+	{
+		mov(eax, 5);
+		ret();
+	}
+};
+
+int ret123()
+{
+	static Code code;
+	int (*f)() = (int (*)())code.getCode();
+	return f();
+}
+