Index: libcfa/prelude/Makefile.am
===================================================================
--- libcfa/prelude/Makefile.am	(revision 9aa9126e40385076b70bce81cfd5925a9c8b56ee)
+++ libcfa/prelude/Makefile.am	(revision 0c1b5660b6f5a0957c905780ecc5883a812e52a7)
@@ -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