Index: src/tests/preempt_longrun/Makefile.am
===================================================================
--- src/tests/preempt_longrun/Makefile.am	(revision 863c413f24815aa1a75d3e6adbf647b31c863f8a)
+++ src/tests/preempt_longrun/Makefile.am	(revision 174845ed867246025234e5bf64bc7af2c721b608)
@@ -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 863c413f24815aa1a75d3e6adbf647b31c863f8a)
+++ src/tests/preempt_longrun/Makefile.in	(revision 174845ed867246025234e5bf64bc7af2c721b608)
@@ -878,5 +878,5 @@
 
 clean-local:
-	rm -f ${TESTS}
+	rm -f ${TESTS} core* out.log
 
 % : %.c ${CC}