--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-CFLAGS := -Wall -g
+CFLAGS := -g
 #CC := $(CROSS_COMPLE)gcc
 all: rtk_hciattach
 OBJS := hciattach.o hciattach_rtk.o hciattach_h4.o rtb_fwc.o
@@ -12,6 +12,10 @@
 clean:
 	rm -f $(OBJS)  rtk_hciattach
 
+install:
+	install -m 755 -d $(DESTDIR)/usr/bin
+	install -m 755 rtk_hciattach $(DESTDIR)/usr/bin
+
 tags: FORCE
 	ctags -R
 	find ./ -name "*.h" -o -name "*.c" -o -name "*.cc" -o -name "*.cpp" > cscope.files