--- my-default-printer.orig	2008-03-20 11:53:08.000000000 -0400
+++ my-default-printer	2008-03-20 11:53:17.000000000 -0400
@@ -1,2 +1,2 @@
 #!/bin/sh
-exec /usr/share/system-config-printer/my-default-printer.py "$@"
+exec %%PREFIX%%/share/system-config-printer/my-default-printer.py "$@"