diff --git a/bacnet-stack/filename.mak b/bacnet-stack/filename.mak
new file mode 100644
index 00000000..064b4df9
--- /dev/null
+++ b/bacnet-stack/filename.mak
@@ -0,0 +1,32 @@
+#Makefile to build filename tests
+CC      = gcc
+BASEDIR = .
+#CFLAGS  = -Wall -I.
+# -g for debugging with gdb
+#CFLAGS  = -Wall -I. -g
+CFLAGS  = -Wall -I. -Itest -DTEST -DTEST_FILENAME -g
+
+SRCS = filename.c \
+	test/ctest.c
+
+OBJS = ${SRCS:.c=.o}
+
+TARGET = filename
+
+all: ${TARGET}
+ 
+${TARGET}: ${OBJS}
+	${CC} -o $@ ${OBJS} 
+
+.c.o:
+	${CC} -c ${CFLAGS} $*.c -o $@
+  
+depend:
+	rm -f .depend
+	${CC} -MM ${CFLAGS} *.c >> .depend
+  
+clean:
+	rm -rf core ${TARGET} $(OBJS) *.bak *.1 *.ini
+
+include: .depend
+