Index: libcfa/prelude/Makefile.in
===================================================================
--- libcfa/prelude/Makefile.in	(revision 0c1b5660b6f5a0957c905780ecc5883a812e52a7)
+++ libcfa/prelude/Makefile.in	(revision 47c1928b39e141cf752717688b57df8b99a499d7)
@@ -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