--- old/make/gensrc/GensrcCharacterData.gmk	2019-08-27 10:57:26.000000000 -0700
+++ new/make/gensrc/GensrcCharacterData.gmk	2019-08-27 10:57:26.000000000 -0700
@@ -42,6 +42,7 @@
 	    -spec $(UNICODEDATA)/UnicodeData.txt \
 	    -specialcasing $(UNICODEDATA)/SpecialCasing.txt \
 	    -proplist $(UNICODEDATA)/PropList.txt \
+	    -derivedprops $(UNICODEDATA)/DerivedCoreProperties.txt \
 	    -o $(SUPPORT_OUTPUTDIR)/gensrc/java.base/java/lang/$1.java \
 	    -usecharforbyte $3