-AT_PARSER_CHECK([./input 20], 0, [], [ignore])
-AT_PARSER_CHECK([./input 900], 0, [], [ignore])
-AT_PARSER_CHECK([./input 10000], 2, [], [ignore])
+AT_PARSER_CHECK([./input 20], 0, [], [ignore],
+ [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]])
+AT_PARSER_CHECK([./input 900], 0, [], [ignore],
+ [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]])
+AT_PARSER_CHECK([./input 10000], 2, [], [ignore],
+ [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]])