Index: src/tests/preempt_longrun/Makefile.am
===================================================================
--- src/tests/preempt_longrun/Makefile.am	(revision 2ad4b4971fddd50f53538806f7fcb25b6dad4eb7)
+++ src/tests/preempt_longrun/Makefile.am	(revision 41770ed102327cb6d1d192134987c43c9c07fd30)
@@ -34,5 +34,5 @@
 
 clean-local:
-	rm -f ${TESTS}
+	rm -f ${TESTS} core* out.log
 
 % : %.c ${CC}
Index: src/tests/preempt_longrun/Makefile.in
===================================================================
--- src/tests/preempt_longrun/Makefile.in	(revision 2ad4b4971fddd50f53538806f7fcb25b6dad4eb7)
+++ src/tests/preempt_longrun/Makefile.in	(revision 41770ed102327cb6d1d192134987c43c9c07fd30)
@@ -878,5 +878,5 @@
 
 clean-local:
-	rm -f ${TESTS}
+	rm -f ${TESTS} core* out.log
 
 % : %.c ${CC}