Index: libcfa/src/Makefile.am
===================================================================
--- libcfa/src/Makefile.am	(revision 478c6103a511169384196eb6ac4bf8b72c9d50a9)
+++ libcfa/src/Makefile.am	(revision fdc3f9d7ba0bc32e0341143038fb613098193b5b)
@@ -192,4 +192,7 @@
 	$(CFACOMPILE) -quiet -XCFA,-l ${<} -c -o ${@}
 
+concurrency/io/call.cfa: $(srcdir)/concurrency/io/call.cfa.in
+	${AM_V_GEN}python3 $< > $@
+
 #----------------------------------------------------------------------------------------------------------------
 libcfa_la_SOURCES = ${libsrc}