--- libdnet-1.11.orig/dnet-config.in	2001-10-19 03:29:00.000000000 +0200
+++ libdnet-1.11/dnet-config.in	2013-11-15 15:34:29.676762300 +0100
@@ -3,7 +3,7 @@
 # $Id: dnet-config.in,v 1.1 2001/10/19 01:29:00 dugsong Exp $
 
 prefix=@prefix@
-exec_prefix=@prefix@
+exec_prefix=${prefix}
 
 usage()
 {