-TOP = ..
+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
+
+NOT_THESE += areid_pass
+# Old-style I/O
+
+NOT_THESE += north_lias
+# Deliberately causes divide by zero, and
+# we can't catch that yet
SUBDIRS = $(filter-out $(NOT_THESE), $(wildcard *))