Tweak Makefile mscan.out rule

b06ac8cf · Silas Boyd-Wickizer · 8fdaaefc · b06ac8cf
--- a/Makefile
+++ b/Makefile
@@ -251,7 +251,7 @@ mtrace.txt: mtrace.out $(QEMUSRC)/mtrace-tools/m2text
 	$(QEMUSRC)/mtrace-tools/m2text $< > $@

 mscan.out: mtrace.out $(QEMUSRC)/mtrace-tools/mscan
-	$(QEMUSRC)/mtrace-tools/mscan > $@
+	$(QEMUSRC)/mtrace-tools/mscan > $@ || (rm -f $@; exit 2)

 mscan.sorted: mscan.out $(QEMUSRC)/mtrace-tools/sersec-sort.py
 	$(QEMUSRC)/mtrace-tools/sersec-sort.py < $< > $@