Index: src/tests/preempt_longrun/Makefile.am
===================================================================
--- src/tests/preempt_longrun/Makefile.am	(revision 7bdcac1f3631ee6408a86b4d0321433114fee6d3)
+++ src/tests/preempt_longrun/Makefile.am	(revision 3fc59bdb3dcc1b79be061440b40a2cebb66b85f3)
@@ -45,5 +45,5 @@
 
 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 7bdcac1f3631ee6408a86b4d0321433114fee6d3)
+++ src/tests/preempt_longrun/Makefile.in	(revision 3fc59bdb3dcc1b79be061440b40a2cebb66b85f3)
@@ -889,5 +889,5 @@
 
 clean-local:
-	rm -f ${TESTS}
+	rm -f ${TESTS} core* out.log
 
 % : %.c ${CC}