--- ./Makefile.orig	2012-01-16 13:46:05.147743123 -0500
+++ ./Makefile	2012-01-16 13:46:25.029731197 -0500
@@ -1,6 +1,6 @@
 SHELL = /bin/sh
 
-prefix = /usr/local
+prefix = ${PREFIX}
 exec_prefix = ${prefix}
 bindir = ${exec_prefix}/bin
 mandir = ${prefix}/man/man1
