--- Makefile.orig	2012-09-25 16:03:05.000000000 -0500
+++ Makefile	2012-10-20 19:36:27.000000000 -0500
@@ -6,10 +6,13 @@
 UNAME = $(shell uname -s)
 
 VERSION = 2.5.1
-DESTINATION = /usr/local/lib
+PREFIX = /usr/local
+LIBDIR = $(PREFIX)/lib
+DESTDIR = 
+DESTINATION = $(DESTDIR)$(LIBDIR)
 HEADER = labjackusb.h
-HEADER_DESTINATION = /usr/local/include
-LIBFLAGS = -lusb-1.0 -lc
+HEADER_DESTINATION = $(DESTDIR)$(PREFIX)/include
+LIBFLAGS = -L$(LIBDIR) -lusb-1.0 -lc
 
 ifeq ($(UNAME),Darwin)
 	#Mac OS X operating system macros
@@ -20,7 +23,7 @@
 	#ARCHFLAGS = -arch i386 -arch x86_64
 	# Build for only the host architecture
 	ARCHFLAGS =
-	COMPILE = libtool -dynamic -o $(TARGET) -install_name $(TARGET) -current_version $(VERSION) -compatibility_version $(VERSION) labjackusb.o $(LIBFLAGS)
+	COMPILE = libtool -dynamic -o $(TARGET) -install_name $(LIBDIR)$(TARGET) -current_version $(VERSION) -compatibility_version $(VERSION) labjackusb.o $(LIBFLAGS)
 else
 	#Linux operating system macros
 	TARGET = liblabjackusb.so.$(VERSION)