--- ./Makefile.00	1999-07-26 21:29:18.000000000 +0200
+++ ./Makefile	2011-05-04 15:20:47.000000000 +0200
@@ -1,5 +1,6 @@
 # Where do you want to put the executable?
-DEST= /usr/bin
+BINDIR = /usr/bin
+DESTDIR =
 
 # Compiler flags and such
 OBJS= main.o callbacks.o passwd.o user.o group.o
@@ -14,10 +15,11 @@
 	gcc ${LIBS} ${OBJS} -o guserman
 
 install:
-	cp guserman $(DEST)
+	mkdir -p $(DESTDIR)/$(BINDIR)
+	cp guserman $(DESTDIR)/$(BINDIR)
 
 uninstall:
-	rm -f $(DEST)/guserman
+	rm -f $(DESTDIR)/$(BINDIR)/guserman
 
 clean:
 	rm -f guserman *.o core