Index: libcfa/prelude/Makefile.in
===================================================================
--- libcfa/prelude/Makefile.in	(revision 575a6e500466575fde0acedd9b84c09b42ac2ee8)
+++ libcfa/prelude/Makefile.in	(revision b2fcb72f26d7f87e96a8664ebdc53ef22ebffe89)
@@ -259,5 +259,5 @@
 
 # create object files in directory with source files
-AUTOMAKE_OPTIONS = subdir-objects
+AUTOMAKE_OPTIONS = foreign subdir-objects
 
 # put into lib for now