--- a/jdk/make/ModuleTools.gmk	Wed Feb 15 12:55:20 2017 -0800
+++ b/jdk/make/ModuleTools.gmk	Wed Feb 15 16:18:22 2017 -0800
@@ -36,6 +36,8 @@
     BUILD_JIGSAW_TOOLS, $(TOOLS_CLASSES_DIR))
 
 TOOL_GENGRAPHS := $(BUILD_JAVA) -esa -ea -cp $(TOOLS_CLASSES_DIR) \
+    --add-modules jdk.jdeps \
+    --add-exports jdk.jdeps/com.sun.tools.jdeps=ALL-UNNAMED \
     build.tools.jigsaw.GenGraphs
 
 TOOL_MODULESUMMARY := $(BUILD_JAVA) -esa -ea -cp $(TOOLS_CLASSES_DIR) \