--- a/makelib/rules.make	Tue Nov 14 09:41:04 2017 -0300
+++ b/makelib/rules.make	Fri Nov 17 20:58:44 2017 -0300
@@ -688,7 +688,7 @@
 # debug - make with -g instead of -O
 #
 debug:
-	$(MAKE) OPT="-g $(OPT)" LIBRUN_OPT="-g $(LIBRUN_OPT)" STCOPT="$(STCOPT) +lineInfo +stLineInfo"
+	$(MAKE) OPT="-g $(OPT)" LIBRUN_OPT="-g $(LIBRUN_OPT)" STCOPT="$(STCOPT)"
 
 cfiles:
 	  for i in ""*.st""; do                          \