TOP = .
include $(TOP)/mk/boilerplate.mk
-NOT_THESE = Makefile ipoole_spec_class areid_pass
+NOT_THESE = CVS mk Makefile \
+
+NOT_THESE += hill_stk_oflow
+# Correctly fails to terminate
+
+NOT_THESE += ipoole_spec_class
+# Dialogue style IO
+
+# areid_pass
SUBDIRS = $(filter-out $(NOT_THESE), $(wildcard *))