--- courier/Makefile.in.orig	2010-02-15 18:58:00.000000000 +0100
+++ courier/Makefile.in	2010-02-15 19:11:12.000000000 +0100
@@ -441,6 +441,7 @@
 mkdir_p = @mkdir_p@
 oldincludedir = @oldincludedir@
 pdfdir = @pdfdir@
+piddir = @piddir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@