Index: libcfa/prelude/Makefile.am
===================================================================
--- libcfa/prelude/Makefile.am	(revision 575a6e500466575fde0acedd9b84c09b42ac2ee8)
+++ libcfa/prelude/Makefile.am	(revision 2ea0a8a12ad6c262bec0d17f6e20d736bec4149c)
@@ -16,5 +16,5 @@
 
 # create object files in directory with source files
-AUTOMAKE_OPTIONS = subdir-objects
+AUTOMAKE_OPTIONS = foreign subdir-objects
 
 # put into lib for now