$NetBSD$

--- Makefile.orig	2012-06-02 12:45:42.000000000 +0000
+++ Makefile
@@ -1,6 +1,6 @@
 INSTALL=install
-PREFIX=/usr
-SYSCONFDIR=/etc
+PREFIX?=/usr
+SYSCONFDIR?=/etc
 
 # Check if pkg-config is installed, we need it for building CFLAGS/LIBS
 ifeq ($(shell which pkg-config 2>/dev/null 1>/dev/null || echo 1),1)
