diff --git a/Makefile b/Makefile
index 33b8c7a..3ea9d4f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,19 @@
 TARGETS = xl710_unlock
 
+CC ?= gcc
+CFLAGS ?= -Wall -O2
+
+INST_DIR ?= /usr/sbin
+
+
 all: $(TARGETS)
 
 clean:
 	rm -f $(TARGETS)
 
 %:	%.c
-	gcc -Wall -O2 $< -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
+
+install:
+	mkdir -p $(DESTDIR)/$(INST_DIR)
+	install -m 750 $(TARGETS) $(DESTDIR)/$(INST_DIR)