diff -ruN maildrop-2.0.3.orig/maildrop/Makefile.in maildrop-2.0.3/maildrop/Makefile.in
--- maildrop-2.0.3.orig/maildrop/Makefile.in	2006-12-31 00:26:52 +1000
+++ maildrop-2.0.3/maildrop/Makefile.in	2007-01-28 09:40:27 +1000
@@ -87,7 +87,7 @@
 maildrop_OBJECTS = $(am_maildrop_OBJECTS)
 am_reformail_OBJECTS = reformail.$(OBJEXT)
 reformail_OBJECTS = $(am_reformail_OBJECTS)
-DEFAULT_INCLUDES = -I. -I$(srcdir) -I.
+DEFAULT_INCLUDES = -I. -I$(srcdir) -I. -I$(includedir)/courier-authlib
 depcomp = $(SHELL) $(top_srcdir)/../depcomp
 am__depfiles_maybe = depfiles
 CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \