2 files changed, 9 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index 01d897be..2c16a653 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2014-10-03  Kaz Kylheku  <kaz@kylheku.com>
+
+	* Makefile: rules that rely on values from config.make
+	now have config.make as a prerequisite.
+
 2014-10-02  Kaz Kylheku  <kaz@kylheku.com>
 
 	Using unified COBJ representation for both regex kinds,
diff --git a/Makefile b/Makefile
index c3a63a3c..7c3d5ff7 100644
--- a/Makefile
+++ b/Makefile
@@ -57,12 +57,14 @@ VPATH := $(top_srcdir)
 
 -include $(top_srcdir)/dep.mk
 
-lex.yy.c: parser.l
+$(OBJS) $(OBJS-y): config.make
+
+lex.yy.c: parser.l config.make
 	rm -f $@
 	$(LEX) $(LEX_DBG_FLAGS) $<
 	chmod a-w $@
 
-y.tab.c y.tab.h: parser.y
+y.tab.c y.tab.h: parser.y config.make
 	rm -f y.tab.c
 	if $(YACC) -v -d $< ; then chmod a-w y.tab.c ; true ; else rm y.tab.c ; false ; fi